Certified Paramedic Response (CPR) Examination — Questions and Answers

Question 1: You arrive on scene to find a patient with a stab wound to the neck. Your PRIMARY concern is:

Cervical spine immobilization only
Airway compromise and vascular injury (Correct answer)
Wound irrigation and dressing
Controlling venous bleeding

Correct answer: Airway compromise and vascular injury

Neck wounds can rapidly compromise the airway from hematoma expansion and may involve major vessels causing life-threatening hemorrhage.

Question 2: What is the purpose of the SAMPLE history mnemonic in patient assessment?

Gather systematic medical history (Signs/Symptoms, Allergies, Medications, Pertinent history, Last oral intake, Events) (Correct answer)
Determine medication dosing
Evaluate trauma mechanism
Assess neurological function

Correct answer: Gather systematic medical history (Signs/Symptoms, Allergies, Medications, Pertinent history, Last oral intake, Events)

SAMPLE provides a systematic framework to collect essential medical history: Signs/Symptoms, Allergies, Medications, Pertinent history, Last oral intake, and Events leading to the emergency.

Question 3: Which of the following BEST indicates successful intraosseous needle placement before drug administration?

The patient experiences pain upon needle insertion
The needle stands upright without support and saline flushes without resistance (Correct answer)
Resistance is felt during needle insertion
Blood appears at the needle hub immediately

Correct answer: The needle stands upright without support and saline flushes without resistance

Correct IO placement is confirmed when the needle stands upright unsupported and a saline flush meets no resistance with no subcutaneous infiltration.

Question 4: While assessing a patient, you note a wide-complex tachycardia on the monitor with a rate of 180 bpm and a regular rhythm. The patient is pulseless and apneic. What is the most appropriate immediate action?

Perform synchronized cardioversion
Obtain a 12-lead ECG
Begin high-quality CPR and prepare for defibrillation (Correct answer)
Administer Amiodarone

Correct answer: Begin high-quality CPR and prepare for defibrillation

This patient is in cardiac arrest. The rhythm described is pulseless Ventricular Tachycardia (pVT). According to ACLS guidelines, the immediate priority for a shockable rhythm like pVT is to start high-quality CPR and deliver a defibrillation shock as soon as possible.

Question 5: A patient with suspected stroke is being evaluated using the Cincinnati Prehospital Stroke Scale. Which three assessments does this tool include?

Grip strength, gait, and vision
Pupil reactivity, orientation, and arm weakness
Blood pressure, blood glucose, and speech
Facial droop, arm drift, and speech abnormality (Correct answer)

Correct answer: Facial droop, arm drift, and speech abnormality

The Cincinnati Prehospital Stroke Scale assesses facial droop, arm drift, and speech abnormality — any one positive finding indicates high stroke probability.

Question 6: What is the PRIMARY danger of delivering a defibrillation shock in asynchronized mode to a patient in atrial flutter?

Excessive pain to the patient
Skin burns at electrode sites
Failure to convert the rhythm
Inducing ventricular fibrillation by shocking on the T wave (Correct answer)

Correct answer: Inducing ventricular fibrillation by shocking on the T wave

Unsynchronized shocks during atrial flutter can coincide with the T wave's vulnerable period, triggering ventricular fibrillation.

Question 7: A patient is found unresponsive in a closed garage with altered mental status, severe headache, and cherry-red skin. What poisoning is most likely?

Hydrogen sulfide
Methemoglobin-forming agent
Carbon monoxide (Correct answer)
Cyanide poisoning

Correct answer: Carbon monoxide

Carbon monoxide binds hemoglobin with approximately 200 times the affinity of oxygen, causing tissue hypoxia; the classic cherry-red skin finding is caused by carboxyhemoglobin.

Question 8: Which of the following best describes torsades de pointes on ECG?

Rapid regular narrow-complex tachycardia
Irregular wide-complex rhythm with delta waves
Monomorphic wide-complex tachycardia at 200 bpm
Polymorphic VT where QRS axis twists around the isoelectric line (Correct answer)

Correct answer: Polymorphic VT where QRS axis twists around the isoelectric line

Torsades de pointes is a polymorphic ventricular tachycardia in which the QRS amplitude and axis appear to rotate or twist around the baseline.

Question 9: A patient presents with miosis, bradycardia, bronchospasm, and excessive secretions after unknown substance ingestion. Which toxidrome does this represent?

Cholinergic (Correct answer)
Sedative-hypnotic
Anticholinergic
Sympathomimetic

Correct answer: Cholinergic

Cholinergic toxidrome (SLUDGE/DUMBELS) presents with miosis, bradycardia, bronchospasm, and excessive secretions, typically from organophosphate or carbamate exposure.

Question 10: A patient with known COPD is in respiratory distress with SpO2 of 88%. What is the MOST appropriate oxygen target?

SpO2 94-96% via titrated low-flow oxygen
SpO2 88-92% via controlled oxygen delivery (Correct answer)
No supplemental oxygen to preserve hypoxic drive
SpO2 >99% via non-rebreather mask

Correct answer: SpO2 88-92% via controlled oxygen delivery

COPD patients should be targeted to SpO2 88-92% to avoid suppressing the hypoxic drive that may be sustaining their respiratory effort.

Question 11: When performing a rapid sequence intubation (RSI), which medication is classified as a depolarizing neuromuscular blocking agent?

Rocuronium
Succinylcholine (Correct answer)
Vecuronium
Pancuronium

Correct answer: Succinylcholine

Succinylcholine is the only depolarizing neuromuscular blocking agent commonly used in RSI, causing brief fasciculations before paralysis.

Question 12: For synchronized cardioversion of unstable atrial fibrillation, the recommended initial energy setting using a biphasic defibrillator is:

50 J
300 J
360 J
100-200 J (Correct answer)

Correct answer: 100-200 J

Biphasic cardioversion for atrial fibrillation typically begins at 100-200 J, as lower energies reduce myocardial injury while maintaining adequate conversion rates.

Question 13: What is the maximum cumulative dose of lidocaine that can be administered during cardiac arrest management?

6 mg/kg total
3 mg/kg total (Correct answer)
1.5 mg/kg total
4.5 mg/kg total

Correct answer: 3 mg/kg total

The maximum cumulative lidocaine dose in cardiac arrest is 3 mg/kg (initial 1–1.5 mg/kg plus repeat doses of 0.5–0.75 mg/kg every 5–10 min).

Question 14: A patient is in cardiac arrest after ingesting a massive dose of a tricyclic antidepressant (TCA). In addition to standard ACLS, which treatment is most critical?

Flumazenil 0.2mg IV to reverse CNS depression
Activated charcoal via nasogastric tube during CPR
Sodium bicarbonate 1-2 mEq/kg IV to achieve serum pH of 7.45-7.55 (Correct answer)
Magnesium sulfate 2g IV to stabilize the membrane

Correct answer: Sodium bicarbonate 1-2 mEq/kg IV to achieve serum pH of 7.45-7.55

Sodium bicarbonate reverses TCA-induced sodium channel blockade by increasing serum pH and providing a sodium load, narrowing the QRS and improving cardiac output.

Question 15: Which medication is used to terminate stable monomorphic ventricular tachycardia in a conscious patient with a pulse?

Adenosine 6 mg rapid IV
Atropine 1 mg IV
Amiodarone 150 mg IV over 10 minutes (Correct answer)
Digoxin 0.5 mg IV

Correct answer: Amiodarone 150 mg IV over 10 minutes

Amiodarone 150 mg IV over 10 minutes is the first-line antiarrhythmic for stable monomorphic ventricular tachycardia per ACLS guidelines.

Question 16: Which route of administration results in the FASTEST onset of epinephrine during cardiac arrest when IV access is unavailable?

Endotracheal (ET) tube
Subcutaneous injection into the deltoid
Sublingual injection
Intraosseous (IO) route (Correct answer)

Correct answer: Intraosseous (IO) route

IO access provides drug delivery speed comparable to central venous access and is preferred over ET administration due to unreliable ET absorption.

Question 17: You are dispatched to a 72-year-old female patient complaining of palpitations and shortness of breath. The cardiac monitor displays a narrow-complex tachycardia at a rate of 170 bpm with a regular rhythm. P waves are not clearly identifiable. Which of the following is the most likely interpretation of this rhythm?

Atrial Fibrillation
Supraventricular Tachycardia (SVT) (Correct answer)
Ventricular Tachycardia
Sinus Tachycardia

Correct answer: Supraventricular Tachycardia (SVT)

Supraventricular Tachycardia (SVT) is a rapid heart rhythm originating above the ventricles. It is characterized by a regular, narrow QRS complex tachycardia, typically with a rate between 150-250 bpm. P waves are often difficult to see as they can be buried in the preceding T wave.

Question 18: Which of the following CORRECTLY describes the Cushing's reflex (triad)?

Hypotension, bradycardia, tachypnea
Tachycardia, hypotension, irregular respirations
Hypertension, tachycardia, apnea
Hypertension, bradycardia, irregular respirations (Correct answer)

Correct answer: Hypertension, bradycardia, irregular respirations

Cushing's reflex (hypertension, bradycardia, irregular respirations) is a late sign of critically elevated intracranial pressure.

Question 19: A glucometer reads 'HI' for a diabetic patient in altered mental status. This indicates blood glucose is:

Above the device's measurable range (>600 mg/dL) (Correct answer)
Between 200-300 mg/dL
Below 40 mg/dL
Exactly 500 mg/dL

Correct answer: Above the device's measurable range (>600 mg/dL)

'HI' on a glucometer indicates the blood glucose exceeds the device's upper measurable limit, typically above 600 mg/dL, suggesting severe hyperglycemia.

Question 20: A patient with suspected tension pneumothorax has an SpO2 of 78% and absent breath sounds on the right. What is your IMMEDIATE intervention?

Perform needle thoracostomy (Correct answer)
Apply a chest seal
Apply high-flow oxygen and monitor
Intubate and ventilate

Correct answer: Perform needle thoracostomy

Tension pneumothorax with hypoxia and absent breath sounds requires immediate needle thoracostomy to release trapped air.

Question 21: When performing a needle thoracostomy for tension pneumothorax, the traditional landmark on a male adult is:

2nd intercostal space, midclavicular line, above the 3rd rib (Correct answer)
2nd intercostal space, midaxillary line, above the 3rd rib
5th intercostal space, midclavicular line, above the 6th rib
4th intercostal space, anterior axillary line, below the 5th rib

Correct answer: 2nd intercostal space, midclavicular line, above the 3rd rib

The classic landmark is the 2nd ICS at the midclavicular line, inserting just above the 3rd rib to avoid the neurovascular bundle running below each rib.

Question 22: A patient presents with a GCS of 8 and is unresponsive to verbal stimuli. What is the MOST appropriate initial airway intervention?

Oropharyngeal airway with BVM ventilation
Nasopharyngeal airway insertion
High-flow oxygen via non-rebreather mask
Endotracheal intubation (Correct answer)

Correct answer: Endotracheal intubation

A GCS of 8 or below indicates the need for definitive airway management, and endotracheal intubation is the gold standard.

Question 23: Which device is considered the gold standard for confirming endotracheal tube placement in the prehospital setting?

Continuous waveform capnography (Correct answer)
Chest auscultation
Chest rise assessment
Colorimetric CO2 detector

Correct answer: Continuous waveform capnography

Continuous waveform capnography is the gold standard for confirming and monitoring ETT placement, providing real-time CO2 waveforms.

Question 24: During a secondary assessment, you note paradoxical chest wall movement on the left side. This finding is MOST consistent with:

Tension pneumothorax
Hemothorax
Flail chest (Correct answer)
Open pneumothorax

Correct answer: Flail chest

Paradoxical movement (segment moves inward on inspiration) indicates flail chest from multiple rib fractures.

Question 25: A paramedic is performing CPR on a 4-year-old child. To ensure high-quality compressions, what is the recommended compression depth?

At least one-half the anterior-posterior diameter of the chest
At least one-fourth the anterior-posterior diameter of the chest
At least one-third the anterior-posterior diameter of the chest (Correct answer)
A depth of at least 3 inches (7.5 cm)

Correct answer: At least one-third the anterior-posterior diameter of the chest

For children, high-quality chest compressions should have a depth of at least one-third the anterior-posterior (AP) diameter of the chest, which is approximately 2 inches (5 cm). This ensures adequate circulation without causing injury.

Question 26: A patient requires spinal motion restriction on a long backboard. After securing the torso, the head is immobilized:

Last, after torso and legs are secured (Correct answer)
Simultaneously with torso straps
Only if the patient is unconscious
Before securing the torso to prevent movement

Correct answer: Last, after torso and legs are secured

When applying a long backboard, the torso is secured first, then the legs, and finally the head, because securing the torso first prevents the patient from sliding and allows head blocks to hold securely.

Question 27: Which antidote is used for acetaminophen (Tylenol) overdose to prevent hepatotoxicity?

Dimercaprol
Deferoxamine
N-acetylcysteine (NAC) (Correct answer)
Fomepizole

Correct answer: N-acetylcysteine (NAC)

N-acetylcysteine replenishes glutathione stores and detoxifies NAPQI, the hepatotoxic acetaminophen metabolite, preventing liver failure when administered within the treatment window.

Question 28: A video laryngoscope provides an improved view but the paramedic cannot advance the tube into the trachea. The most likely cause is:

The cuff is over-inflated before insertion
The screen is showing an esophageal view
The patient's SpO2 is too low to intubate
The tube angle does not match the hyperangulated blade curve (Correct answer)

Correct answer: The tube angle does not match the hyperangulated blade curve

Video laryngoscope blades are hyperangulated; the ETT requires a stylet bent to match that curve, otherwise the tube cannot follow the visual path.

Question 29: In a pediatric patient, the narrowest portion of the upper airway is located at the:

Glottis
Nasopharynx
Vallecula
Subglottic cricoid cartilage (Correct answer)

Correct answer: Subglottic cricoid cartilage

In children under 8 years, the subglottic cricoid ring is the anatomical narrowest point of the airway, unlike adults where the glottis is narrowest.

Question 30: During a difficult airway scenario, a surgical cricothyrotomy is indicated. What is the correct anatomical landmark for incision?

At the level of the Adam's apple midpoint
Between the thyroid cartilage and hyoid bone (thyrohyoid membrane)
Below the cricoid cartilage at the tracheal rings
Between the thyroid and cricoid cartilage (cricothyroid membrane) (Correct answer)

Correct answer: Between the thyroid and cricoid cartilage (cricothyroid membrane)

The cricothyroid membrane, located between the thyroid and cricoid cartilages, is the correct site for emergency cricothyrotomy.

Question 31: A paramedic suspects cardiac tamponade following a stab wound to the chest. Which triad of findings supports this diagnosis?

Tachycardia, hypertension, and bradypnea (Cushing's triad)
Fever, hypotension, and altered mental status
Tracheal deviation, absent breath sounds, and hypotension
Hypotension, muffled heart sounds, and jugular venous distension (Beck's triad) (Correct answer)

Correct answer: Hypotension, muffled heart sounds, and jugular venous distension (Beck's triad)

Beck's triad — hypotension, muffled heart sounds, and JVD — classically indicates cardiac tamponade caused by blood accumulation in the pericardial sac.

Question 32: ST segment depression in leads V1-V4 during a posterior MI is a reciprocal change. What would direct posterior leads (V7-V9) show?

Flat isoelectric ST segments
ST elevation and upright T waves (Correct answer)
Tall R waves and Q waves
ST depression and T wave inversion

Correct answer: ST elevation and upright T waves

True posterior MI produces ST elevation and upright T waves in posterior leads (V7-V9), which appear as mirror-image ST depression in V1-V4.

Question 33: Which of the following is the CORRECT position to place a patient in respiratory distress who is conscious and hemodynamically stable?

Left lateral recumbent position
High Fowler's position (sitting upright at 90 degrees) (Correct answer)
Trendelenburg position
Supine with head of stretcher flat

Correct answer: High Fowler's position (sitting upright at 90 degrees)

High Fowler's position maximizes diaphragmatic excursion and lung expansion, reducing the work of breathing in a conscious patient.

Question 34: You are treating a patient in stable wide-complex tachycardia at 170 bpm. Which feature on the ECG most strongly supports ventricular tachycardia over SVT with aberrancy?

QRS width greater than 0.12 seconds
AV dissociation visible on the ECG (Correct answer)
Presence of left bundle branch block morphology
Rate greater than 150 bpm

Correct answer: AV dissociation visible on the ECG

AV dissociation (P waves marching independently through QRS complexes) is pathognomonic for ventricular tachycardia and cannot occur in SVT.

Question 35: Which electrolyte disturbance is a Class I indication for magnesium sulfate administration during cardiac arrest?

Hyponatremia
Hyperkalemia
Hypocalcemia
Hypomagnesemia-induced torsades de pointes (Correct answer)

Correct answer: Hypomagnesemia-induced torsades de pointes

Magnesium sulfate 1–2 g IV is a Class I indication specifically for torsades de pointes (polymorphic VT) associated with hypomagnesemia.

Question 36: What is the correct dose of epinephrine administered during adult cardiac arrest per current AHA ACLS protocol?

2 mg IV every 10 minutes
1 mg IV once after ROSC
0.5 mg IV every 5 minutes
1 mg IV every 3-5 minutes (Correct answer)

Correct answer: 1 mg IV every 3-5 minutes

Epinephrine 1 mg IV is given every 3-5 minutes during adult cardiac arrest as the primary vasopressor per AHA ACLS guidelines.

Question 37: A scuba diver surfaces rapidly and develops cardiac arrest. Arterial gas embolism (AGE) is suspected. What position should be used during transport and resuscitation?

Supine (flat); avoid Trendelenburg or left lateral decubitus positioning (Correct answer)
Left lateral decubitus (Durant's maneuver) to trap bubbles in the right ventricle
Trendelenburg (head down) to force bubbles away from the cerebral circulation
Semi-recumbent at 30 degrees to protect the airway

Correct answer: Supine (flat); avoid Trendelenburg or left lateral decubitus positioning

Current guidelines recommend the supine position for AGE; head-down positions are no longer recommended as they may increase cerebral edema without improving bubble dynamics.

Question 38: What is the primary hemodynamic goal during the immediate post-cardiac arrest phase (first 1–3 hours after ROSC)?

Systolic BP >160 mmHg
MAP 50–60 mmHg
Heart rate <60 bpm
MAP ≥65 mmHg (Correct answer)

Correct answer: MAP ≥65 mmHg

Maintaining MAP ≥65 mmHg ensures adequate cerebral and coronary perfusion pressure during the vulnerable post-arrest period.

Question 39: During defibrillation, bystanders and crew should be warned to stand clear primarily to prevent:

Interference with the ECG signal
Disruption of the defibrillator's charge cycle
Damage to the defibrillator pads
Accidental shock injury to rescuers (Correct answer)

Correct answer: Accidental shock injury to rescuers

Everyone must stand clear before shock delivery to prevent accidental electrical shock to rescuers who may be in contact with the patient.

Question 40: An 8-year-old child in SVT is hemodynamically stable. Which is the FIRST intervention attempted?

Synchronized cardioversion at 0.5 J/kg
Adenosine 0.1 mg/kg IV
Amiodarone 5 mg/kg IV
Vagal maneuvers such as ice water immersion of the face (Correct answer)

Correct answer: Vagal maneuvers such as ice water immersion of the face

In a stable pediatric patient with SVT, vagal maneuvers are attempted first before adenosine or cardioversion.

Question 41: When performing two-thumb encircling chest compressions on a neonate, the sternum should be compressed to what depth?

One-third of the anterior-posterior chest diameter (Correct answer)
One-quarter of the anterior-posterior chest diameter
1-2 cm regardless of chest size
One-half of the anterior-posterior chest diameter

Correct answer: One-third of the anterior-posterior chest diameter

Neonatal chest compressions should compress the sternum approximately one-third of the anterior-posterior diameter of the chest.

Question 42: What is the primary mechanism by which activated charcoal reduces toxin absorption in the GI tract?

Adsorption of toxins to prevent absorption (Correct answer)
Inducing emesis to expel the substance
Enzymatic breakdown of the toxin
Chemical neutralization of the poison

Correct answer: Adsorption of toxins to prevent absorption

Activated charcoal works by adsorbing (binding) toxins in the GI tract to its large surface area, preventing their absorption into the bloodstream without altering the substance chemically.

Question 43: Which QTc value is considered prolonged and places a patient at risk for torsades de pointes?

Greater than 440 ms
Greater than 360 ms
Greater than 400 ms
Greater than 500 ms (Correct answer)

Correct answer: Greater than 500 ms

A QTc greater than 500 ms is considered critically prolonged and significantly increases the risk of torsades de pointes and sudden cardiac death.

Question 44: After successful conversion of VT with cardioversion, the patient re-enters VT 3 minutes later. The BEST next step is:

Switch to defibrillation mode for subsequent shocks
Increase cardioversion energy and shock immediately
Place the patient on transcutaneous pacing
Administer an antiarrhythmic drug such as amiodarone, then cardiovert if needed (Correct answer)

Correct answer: Administer an antiarrhythmic drug such as amiodarone, then cardiovert if needed

Recurrent VT after cardioversion should be treated with antiarrhythmic therapy to stabilize the rhythm before or alongside repeat cardioversion.

Question 45: A patient is found unresponsive with gurgling respirations. After opening the airway, suctioning should last NO longer than:

60 seconds per attempt
30 seconds per attempt
10–15 seconds per attempt (Correct answer)
5 seconds per attempt

Correct answer: 10–15 seconds per attempt

Oropharyngeal suctioning should not exceed 10–15 seconds per attempt to avoid prolonged hypoxia and vagal stimulation.

Question 46: Which medication used in RSI is contraindicated in patients with burns covering more than 10% BSA, crush injuries, or prolonged immobilization?

Etomidate
Ketamine
Succinylcholine (Correct answer)
Midazolam

Correct answer: Succinylcholine

Succinylcholine causes massive potassium release via upregulated acetylcholine receptors in denervated/damaged muscle, risking lethal hyperkalemia.

Question 47: Which IV access route is preferred for initial resuscitation when peripheral IV access cannot be established rapidly in a trauma patient?

Intraosseous access (Correct answer)
Femoral venous catheter
Saphenous vein cutdown
Central venous catheter via subclavian vein

Correct answer: Intraosseous access

IO access is the preferred alternative to peripheral IV in trauma resuscitation when IV access fails, providing rapid and reliable vascular access.

Question 48: When preparing a stretcher-bound patient for air medical transport, which action is most important regarding IV lines?

Remove all peripheral IVs to reduce infection risk
Switch to saline locks and secure all lines (Correct answer)
Replace all bags with piggyback infusions
Increase IV flow rates to compensate for altitude

Correct answer: Switch to saline locks and secure all lines

All IV lines should be converted to saline locks or secured with loop management to prevent accidental dislodgement during air transport loading and turbulence.

Question 49: A patient found in a confined space complains of headache and dizziness; co-workers are also symptomatic. You should FIRST:

Enter and begin patient care
Ensure scene safety and don appropriate PPE before entry (Correct answer)
Have bystanders remove the patients
Notify medical control before entering

Correct answer: Ensure scene safety and don appropriate PPE before entry

Scene safety is the first priority; a confined space with multiple symptomatic victims suggests toxic atmosphere requiring PPE before entry.

Question 50: A paramedic administers sodium bicarbonate in a patient with prolonged cardiac arrest (>10 min). What is the PRIMARY concern with this intervention?

Paradoxical intracellular acidosis and hyperosmolarity (Correct answer)
Immediate hypernatremia causing seizures
Alkalosis reversing epinephrine effects
Hypokalemia worsening arrhythmia

Correct answer: Paradoxical intracellular acidosis and hyperosmolarity

Sodium bicarbonate can cause paradoxical intracellular acidosis (CO2 diffuses into cells) and hyperosmolarity, potentially worsening cellular function.

Question 51: Which of the following is the MOST reliable field indicator of successful endotracheal intubation?

Continuous waveform capnography (Correct answer)
Symmetric chest rise and fall
Absence of gastric gurgling sounds
Condensation visible in the tube

Correct answer: Continuous waveform capnography

Continuous waveform capnography (ETCO2) is the gold standard for confirming and continuously monitoring correct endotracheal tube placement.

Question 52: During a cardiac arrest secondary to tricyclic antidepressant overdose, which drug is the treatment of choice to reverse cardiotoxicity?

Calcium gluconate
Flumazenil
Naloxone
Sodium bicarbonate (Correct answer)

Correct answer: Sodium bicarbonate

Sodium bicarbonate alkalinizes the blood and reverses TCA-induced sodium channel blockade, narrowing the QRS and improving myocardial function.

Question 53: When using a mechanical CPR device (e.g., LUCAS or AutoPulse), which situation is an absolute contraindication?

Known history of rib fractures
Pediatric patients under age-based size limits (Correct answer)
Patient weight over 200 lbs
Cardiac arrest longer than 10 minutes

Correct answer: Pediatric patients under age-based size limits

Mechanical CPR devices are contraindicated in pediatric patients who fall outside the device's minimum size specifications, as the force can cause severe internal injuries.

Question 54: What is the correct intraosseous epinephrine dose during pediatric cardiac arrest?

1 mg/kg (1:10,000)
0.001 mg/kg (1:10,000)
0.1 mg/kg (1:10,000)
0.01 mg/kg (1:10,000) (Correct answer)

Correct answer: 0.01 mg/kg (1:10,000)

The standard pediatric epinephrine dose is 0.01 mg/kg of 1:10,000 solution IV or IO, repeated every 3-5 minutes.

Question 55: A paramedic is analyzing an ECG strip of a 68-year-old male complaining of dizziness. The strip shows a ventricular rate of 40 bpm, a regular rhythm, P waves that are not associated with any QRS complexes, and narrow QRS complexes. Which rhythm is most likely represented on this ECG?

Atrial Fibrillation with a slow ventricular response
Sinus Bradycardia
Second-Degree AV Block, Type I
Third-Degree (Complete) AV Block (Correct answer)

Correct answer: Third-Degree (Complete) AV Block

Third-Degree AV Block is characterized by a complete dissociation between atrial and ventricular activity. The P waves (atrial depolarizations) occur at their own regular rate, while the QRS complexes (ventricular depolarizations) occur at a separate, slower, regular escape rate. There is no consistent PR interval because the atria and ventricles are not communicating electrically.

Question 56: Which prehospital intervention is indicated for a patient with signs of tension pneumothorax and impending cardiovascular collapse?

Administration of 2L normal saline IV
Bilateral chest tubes in the field
Needle decompression of the affected side (Correct answer)
Positive pressure ventilation at high tidal volumes

Correct answer: Needle decompression of the affected side

Needle decompression of the affected hemithorax is the immediate prehospital treatment to relieve the pressure buildup causing tension pneumothorax and cardiovascular collapse.

Question 57: Which of the following ECG findings is the most definitive characteristic of Atrial Fibrillation?

An irregularly irregular rhythm (Correct answer)
Wide, bizarre-looking QRS complexes
A progressively lengthening PR interval
A 'sawtooth' pattern of P waves

Correct answer: An irregularly irregular rhythm

The hallmark of Atrial Fibrillation is an 'irregularly irregular' rhythm. This is caused by chaotic, uncoordinated electrical impulses from the atria bombarding the AV node, which then allows impulses to pass through to the ventricles at irregular intervals. There are no discernible P waves, only fibrillatory waves.

Question 58: What is the correct compression-to-ventilation ratio for a single rescuer performing CPR on an adult?

100:0 (continuous compressions)
5:1
15:2
30:2 (Correct answer)

Correct answer: 30:2

A single rescuer performing adult CPR uses a 30:2 ratio (30 compressions followed by 2 ventilations) to maximize perfusion time while providing oxygenation.

Question 59: What is the treatment for a patient with a suspected spinal injury?

Immobilize the spine and transport (Correct answer)
Administer painkillers
Provide fluid resuscitation
Perform CPR

Correct answer: Immobilize the spine and transport

For a patient with a suspected spinal injury, the paramount concern is to prevent any movement of the spine that could worsen the injury and lead to permanent neurological damage. Therefore, the immediate treatment involves complete spinal immobilization using a cervical collar and a backboard or similar device. Once immobilized, rapid and careful transport to a medical facility for definitive diagnosis and treatment is essential.

Question 60: Which of the following is the MOST reliable indicator of correct endotracheal tube placement in the prehospital setting?

Continuous waveform capnography with ETCO2 35–45 mmHg (Correct answer)
Auscultation of breath sounds over bilateral lung fields
Fogging of the ETT during ventilation
Bilateral chest rise on ventilation

Correct answer: Continuous waveform capnography with ETCO2 35–45 mmHg

Continuous waveform capnography is the gold standard for confirming and monitoring endotracheal tube placement throughout transport.

Question 61: Which combination of antidotes is used to treat severe organophosphate poisoning?

Naloxone and sodium bicarbonate
Flumazenil and calcium gluconate
Physostigmine and pyridoxine
Pralidoxime (2-PAM) and atropine (Correct answer)

Correct answer: Pralidoxime (2-PAM) and atropine

Atropine reverses muscarinic effects and pralidoxime (2-PAM) reactivates acetylcholinesterase before aging occurs, making them the dual treatment for organophosphate poisoning.

Question 62: A patient with a regular, wide-complex tachycardia and a blood pressure of 88/50 mmHg is being treated. The decision is made to perform synchronized cardioversion. What is the recommended initial energy level for this rhythm?

25 joules
50 joules
100 joules (Correct answer)
200 joules

Correct answer: 100 joules

For a stable, regular, monomorphic wide-complex tachycardia (presumed Ventricular Tachycardia), the AHA recommends an initial synchronized shock of 100 joules. If the initial shock is unsuccessful, energy levels can be increased in subsequent attempts.

Question 63: When assessing skin color in a patient with dark pigmentation, which site is MOST reliable for detecting cyanosis?

Earlobes
Fingertips
Forehead
Oral mucosa and conjunctiva (Correct answer)

Correct answer: Oral mucosa and conjunctiva

The oral mucosa and conjunctiva provide the most reliable cyanosis assessment in patients with darker skin tones.

Question 64: You have successfully resuscitated a 50-year-old female from a witnessed pulseless VT arrest. She has ROSC but remains comatose. According to current guidelines, what intervention should be initiated as soon as feasible to improve neurological outcomes?

Rapid infusion of warmed IV fluids to prevent shivering.
Placing the patient in a Trendelenburg position.
Targeted Temperature Management (TTM) with a target of 32-36°C. (Correct answer)
Administration of high-dose corticosteroids.

Correct answer: Targeted Temperature Management (TTM) with a target of 32-36°C.

For adult patients who remain comatose after ROSC from an out-of-hospital cardiac arrest, Targeted Temperature Management (TTM) is a key intervention to improve the likelihood of a good neurological outcome. This involves actively cooling the patient to a target temperature between 32°C and 36°C for at least 24 hours.

Question 65: During a surgical cricothyrotomy, after incising the cricothyroid membrane, the tracheal hook is used to:

Puncture the membrane initially
Retract the inferior edge of the thyroid cartilage to stabilize the trachea (Correct answer)
Dilate the incision horizontally
Inflate the ETT cuff through the incision

Correct answer: Retract the inferior edge of the thyroid cartilage to stabilize the trachea

The tracheal hook retracts the inferior edge of the thyroid cartilage upward to stabilize the airway and hold the incision open for tube insertion.

Question 66: During the management of a patient in asystole, what is the recommended dose and frequency of epinephrine administration?

1 mg every 3-5 minutes (Correct answer)
0.5 mg every 5-10 minutes
1 mg every 1-2 minutes
2 mg every 3-5 minutes

Correct answer: 1 mg every 3-5 minutes

Current ACLS guidelines recommend administering 1 mg of epinephrine every 3 to 5 minutes during cardiac arrest for both shockable and non-shockable rhythms like asystole. The goal of epinephrine is to increase myocardial and cerebral blood flow through its vasoconstrictive (alpha-adrenergic) effects.

Question 67: A patient in polymorphic VT (Torsades de Pointes) with a pulse becomes unstable. The MOST appropriate electrical therapy is:

Transcutaneous pacing to overdrive suppress
Synchronized cardioversion at 100J
Unsynchronized defibrillation at 200J (Correct answer)
Synchronized cardioversion at 360J

Correct answer: Unsynchronized defibrillation at 200J

Torsades de Pointes with an unstable pulse is treated with unsynchronized defibrillation because the irregular morphology makes synchronization unreliable.

Question 68: When treating an open pneumothorax (sucking chest wound), the current evidence-based prehospital standard is to:

Leave the wound open and support ventilation with BVM
Apply an occlusive airtight seal on all four sides immediately
Apply a vented (3-sided) chest seal or commercially vented dressing (Correct answer)
Pack the wound with hemostatic gauze and apply pressure

Correct answer: Apply a vented (3-sided) chest seal or commercially vented dressing

A vented chest seal allows air to escape on exhalation while preventing air entrainment on inspiration, reducing the risk of converting an open pneumothorax to a tension pneumothorax.

Question 69: During a cardiac arrest, ETCO2 rises from 10 mmHg to 35 mmHg without a change in CPR technique. This indicates:

Hyperventilation by the provider
Worsening cardiac output
Tube displacement into the esophagus
Return of spontaneous circulation (Correct answer)

Correct answer: Return of spontaneous circulation

A sudden rise in ETCO2 to near-normal levels (35-45 mmHg) during resuscitation is a reliable indicator of return of spontaneous circulation.

Question 70: Which finding on a pulse oximeter waveform indicates a reliable SpO2 reading?

High perfusion index regardless of waveform shape
Flat plethysmographic waveform
Irregular, erratic waveform
Consistent pulsatile waveform matching heart rate (Correct answer)

Correct answer: Consistent pulsatile waveform matching heart rate

A consistent pulsatile plethysmographic waveform that correlates with the patient's heart rate indicates reliable pulse oximetry signal quality.

Question 71: A patient is found unresponsive with a GCS of 6. Which component breakdown is MOST likely?

E1V1M4
E1V2M3 (Correct answer)
E2V2M3
E2V1M3

Correct answer: E1V2M3

GCS of 6 can be E1+V2+M3, totaling 6, representing no eye opening, incomprehensible sounds, and abnormal flexion.

Question 72: In a patient with an open abdominal wound with evisceration, what is the MOST appropriate prehospital management?

Cover the evisceration with a moist, sterile dressing and do NOT replace organs (Correct answer)
Apply a dry sterile dressing and apply direct pressure
Leave the wound uncovered to prevent infection from dressing contamination
Replace the organs into the abdominal cavity and apply a pressure dressing

Correct answer: Cover the evisceration with a moist, sterile dressing and do NOT replace organs

Eviscerated organs should be covered with a moist sterile dressing to prevent desiccation and should never be replaced in the field.

Question 73: A patient's ECG shows 'saddle-back' or 'coved' ST elevation in V1-V2 with a right bundle branch block pattern in a patient who has had recurrent syncope. Which syndrome should be suspected?

De Winter pattern
Kounis syndrome
Wellens syndrome
Brugada syndrome (Correct answer)

Correct answer: Brugada syndrome

Brugada syndrome produces characteristic 'coved-type' ST elevation in V1-V2 with RBBB pattern and is associated with risk of ventricular fibrillation and sudden cardiac death.

Question 74: When performing transcutaneous pacing, the rate for a symptomatic bradycardia patient is typically set to:

60-80 bpm (Correct answer)
150-180 bpm
100-120 bpm
40-50 bpm

Correct answer: 60-80 bpm

Transcutaneous pacing for symptomatic bradycardia is typically initiated at 60-80 bpm to restore adequate perfusion.

Question 75: Tranexamic acid (TXA) is administered to trauma patients with suspected hemorrhage. What is the recommended administration window for maximum benefit?

Within 3 hours of injury (Correct answer)
Within 30 minutes of injury
Within 1 hour of injury
Within 6 hours of injury

Correct answer: Within 3 hours of injury

TXA is most effective when administered within 3 hours of injury; after 3 hours, it may increase mortality rather than reduce it.

Question 76: A patient presents in pulseless arrest. ECG shows chaotic, irregular undulations of varying amplitude with no identifiable P waves or QRS complexes. What is the rhythm?

Asystole
Polymorphic ventricular tachycardia
Ventricular fibrillation (Correct answer)
Coarse atrial fibrillation

Correct answer: Ventricular fibrillation

Ventricular fibrillation presents as chaotic, irregular electrical activity with no discernible P waves, QRS complexes, or T waves, requiring immediate defibrillation.

Question 77: A patient's ECG shows a QRS complex of 0.14 seconds with a right bundle branch block morphology and a rate of 180 bpm with no visible P waves. What rhythm should you suspect?

Ventricular tachycardia (Correct answer)
Supraventricular tachycardia with aberrancy
Accelerated idioventricular rhythm
Torsades de pointes

Correct answer: Ventricular tachycardia

A wide-complex tachycardia at 180 bpm without visible P waves is ventricular tachycardia until proven otherwise, even if RBBB morphology is present.

Question 78: When performing a cricothyrotomy using the surgical method, between which structures is the incision made?

Thyroid cartilage and cricoid cartilage through the cricothyroid membrane (Correct answer)
Thyroid cartilage and hyoid bone
Cricoid cartilage and first tracheal ring
Hyoid bone and epiglottis

Correct answer: Thyroid cartilage and cricoid cartilage through the cricothyroid membrane

The surgical cricothyrotomy incision is made through the cricothyroid membrane, which lies between the thyroid cartilage superiorly and the cricoid cartilage inferiorly.

Question 79: During a mass casualty incident, a patient with severe head injury, absent radial pulse, and respiratory rate of 28 is triaged as what color?

Black (expectant)
Red (immediate) (Correct answer)
Green (minor)
Yellow (delayed)

Correct answer: Red (immediate)

A patient with a severe mechanism and abnormal vital signs (absent radial pulse, RR 28) meets START triage criteria for Red (immediate) — salvageable with intervention.

Question 80: In asthma-related cardiac arrest, which ventilation strategy is critical to prevent worsening air trapping (auto-PEEP)?

High respiratory rate (20-24 breaths/min) to eliminate CO2 quickly
High PEEP settings to splint airways open and prevent collapse
Low respiratory rate (6-8 breaths/min) and short inspiratory times with prolonged expiratory phase (Correct answer)
Intermittent mandatory ventilation with tidal volumes of 10-12 mL/kg

Correct answer: Low respiratory rate (6-8 breaths/min) and short inspiratory times with prolonged expiratory phase

Permissive hypoventilation with a slow rate and prolonged expiratory time allows trapped air to exhale, preventing catastrophic barotrauma and worsening obstructive physiology.

Question 81: To ensure both high-quality CPR and effective team coordination, what is the recommended approach for switching the person performing chest compressions?

Switch compressors only when the current provider verbally states they are fatigued.
Switch compressors every 5 minutes to maintain provider rhythm and momentum.
Have a single, dedicated compressor perform compressions for the entire resuscitation.
Switch compressors every 2 minutes, ideally during a planned pause like a rhythm check. (Correct answer)

Correct answer: Switch compressors every 2 minutes, ideally during a planned pause like a rhythm check.

High-quality CPR is physically demanding, and performance degrades after just a couple of minutes. The AHA recommends switching compressors approximately every 2 minutes (or 5 cycles) to prevent fatigue. Coordinating this switch during a planned pause minimizes interruptions to chest compressions.

Question 82: In a hypotensive trauma patient with suspected internal hemorrhage, which blood pressure target best reflects current permissive hypotension guidelines?

Systolic BP > 100 mmHg
Systolic BP > 120 mmHg
Systolic BP 80–90 mmHg (Correct answer)
Mean arterial pressure > 90 mmHg

Correct answer: Systolic BP 80–90 mmHg

Permissive hypotension targets a systolic BP of 80–90 mmHg to limit further hemorrhage while maintaining perfusion to vital organs.

Question 83: A patient with stable supraventricular tachycardia at 180 bpm does not respond to vagal maneuvers or adenosine. What electrical therapy is appropriate?

Transcutaneous pacing at 80 bpm
Unsynchronized defibrillation at 200J
Synchronized cardioversion at 360J
Synchronized cardioversion at 50-100J (Correct answer)

Correct answer: Synchronized cardioversion at 50-100J

Stable SVT refractory to medications is treated with synchronized cardioversion starting at 50-100J.

Question 84: What is the first-line pharmacologic treatment for severe symptomatic methemoglobinemia (MetHb >30%)?

Exchange transfusion
Ascorbic acid IV infusion
Hyperbaric oxygen therapy
Methylene blue IV (1–2 mg/kg) (Correct answer)

Correct answer: Methylene blue IV (1–2 mg/kg)

Methylene blue donates electrons via the NADPH-methemoglobin reductase pathway, rapidly reducing ferric (Fe3+) hemoglobin back to functional ferrous (Fe2+) hemoglobin and restoring oxygen-carrying capacity.

Question 85: In a patient requiring RSI (Rapid Sequence Intubation), what is the CORRECT sequence of medication administration?

Neuromuscular blocking agent first, then sedative
Succinylcholine first, then etomidate
Concurrent administration of both agents simultaneously
Sedative/induction agent first, then neuromuscular blocking agent (Correct answer)

Correct answer: Sedative/induction agent first, then neuromuscular blocking agent

In RSI, the induction/sedative agent is always given first to achieve unconsciousness before the neuromuscular blocking agent is administered.

Question 86: During resuscitation of a trauma patient in cardiac arrest, which intervention is the highest priority before standard ACLS?

Obtain a 12-lead ECG to identify the underlying rhythm
Perform endotracheal intubation to secure the airway before compressions
Establish IV access and administer epinephrine 1mg IV immediately
Identify and treat reversible causes (4 H's and 4 T's) including hemorrhage, tension pneumothorax, and tamponade (Correct answer)

Correct answer: Identify and treat reversible causes (4 H's and 4 T's) including hemorrhage, tension pneumothorax, and tamponade

Traumatic cardiac arrest is almost always caused by reversible factors; identifying and treating hemorrhage, tension pneumothorax, or tamponade is the primary intervention.

Question 87: In the management of a patient with severe anaphylaxis, epinephrine should be administered via which route FIRST?

Intravenous bolus of 1 mg
Subcutaneous injection in the deltoid
Sublingual absorption
Intramuscular injection in the anterolateral thigh (Correct answer)

Correct answer: Intramuscular injection in the anterolateral thigh

Intramuscular epinephrine in the anterolateral thigh achieves faster and more reliable absorption than subcutaneous injection in anaphylaxis.

Question 88: A patient develops pulseless electrical activity after receiving a high spinal anesthetic. Which drug mechanism is MOST relevant?

Calcium for direct myocardial support
Sodium bicarbonate buffering local anesthetic toxicity
Anticholinergic reversal with physostigmine
Epinephrine alpha-1 effect restoring vascular resistance lost from sympathectomy (Correct answer)

Correct answer: Epinephrine alpha-1 effect restoring vascular resistance lost from sympathectomy

High spinal anesthesia causes complete sympathectomy; epinephrine's alpha-1 vasoconstriction is critical to restore systemic vascular resistance and coronary perfusion.

Question 89: During a cardiac arrest resuscitation, which team member is primarily responsible for documenting interventions and elapsed time?

Team leader
Timekeeper/recorder (Correct answer)
Airway manager
Compressor

Correct answer: Timekeeper/recorder

The timekeeper/recorder tracks elapsed time, drug administration intervals, and all interventions to support clinical decision-making.

Question 90: A patient with suspected cervical spine injury requires airway management. The preferred method is:

Delay airway management until imaging is available
Blind nasotracheal intubation in all cases
Hyperextend the neck and perform orotracheal intubation
Video laryngoscopy with manual in-line stabilization (Correct answer)

Correct answer: Video laryngoscopy with manual in-line stabilization

Video laryngoscopy combined with manual in-line cervical stabilization allows visualization for intubation while minimizing cervical spine movement.

Question 91: In a patient with acute severe asthma who is becoming fatigued and hypercapnic despite aggressive bronchodilator therapy, the MOST appropriate action is:

Apply a non-rebreather mask and increase oxygen flow
Administer IV magnesium sulfate and continue monitoring only
Prepare for definitive airway management and consider intubation (Correct answer)
Continue nebulized albuterol every 5 minutes and observe

Correct answer: Prepare for definitive airway management and consider intubation

A fatiguing asthmatic with hypercapnia is in impending respiratory failure and requires airway management preparation including possible RSI.

Question 92: What is the primary mechanism by which epinephrine improves outcomes in cardiac arrest?

Direct defibrillation of the myocardium
Beta-1 stimulation increasing heart rate
Alpha-1 vasoconstriction increasing coronary perfusion pressure (Correct answer)
Beta-2 bronchodilation improving oxygenation

Correct answer: Alpha-1 vasoconstriction increasing coronary perfusion pressure

Epinephrine's alpha-1 adrenergic effect causes peripheral vasoconstriction, raising aortic diastolic pressure and thus coronary perfusion pressure during CPR.

Question 93: What is the role of a paramedic's equipment in emergency care?

To increase blood pressure
To reduce recovery time
To provide comfort
To stabilize the patient and monitor vital signs (Correct answer)

Correct answer: To stabilize the patient and monitor vital signs

Paramedic equipment, such as splints, bandages, oxygen delivery systems, and cardiac monitors, is designed to provide immediate stabilization and support to critically ill or injured patients. This equipment helps manage life-threatening conditions, prevent further injury, and continuously assess the patient's physiological status. By stabilizing the patient and monitoring vital signs, paramedics can provide appropriate interventions and prepare them for transport to a definitive care facility.

Question 94: When applying a tourniquet for extremity hemorrhage, how far above the wound should it be placed?

At the axilla or groin regardless of wound location
2-3 inches proximal to the wound (Correct answer)
1-2 inches proximal to the wound
Directly over the wound

Correct answer: 2-3 inches proximal to the wound

Tourniquets should be applied 2-3 inches proximal to the wound to effectively occlude arterial flow while allowing room for placement and tightening.

Question 95: When managing a trauma patient in hemorrhagic shock, the ideal initial fluid resuscitation strategy in the prehospital setting is:

1:1:1 packed red cells, plasma, and platelets immediately
No IV fluids until the patient reaches the OR
Permissive hypotension with small boluses targeting a systolic of 80–90 mmHg (Correct answer)
Aggressive 2-liter crystalloid bolus to restore normal blood pressure

Correct answer: Permissive hypotension with small boluses targeting a systolic of 80–90 mmHg

Permissive hypotension (targeting SBP 80–90 mmHg in penetrating trauma, ~90 mmHg in blunt) limits clot disruption and reduces coagulopathy while maintaining minimal perfusion.

Question 96: A patient is found in cardiac arrest with a narrow complex PEA rhythm. Which reversible cause should be treated FIRST in the field?

Tension pneumothorax (Correct answer)
Hyperkalemia
Hypothermia
Pulmonary embolism

Correct answer: Tension pneumothorax

Tension pneumothorax is a common, immediately treatable cause of PEA that can be rapidly reversed with needle decompression in the field.

Question 97: What is the PRIMARY reason to minimize interruptions in chest compressions during defibrillation attempts?

To keep the ECG baseline artifact-free
To maintain coronary perfusion pressure and maximize shock success (Correct answer)
To reduce patient discomfort during the procedure
To prevent the defibrillator from overheating

Correct answer: To maintain coronary perfusion pressure and maximize shock success

Maintaining coronary perfusion pressure through minimal CPR interruptions improves myocardial oxygen delivery and increases the likelihood of successful defibrillation.

Question 98: During a mass casualty incident, a patient tagged red (immediate) becomes unresponsive and pulseless. Under START/JumpSTART principles, you should:

Reclassify the patient as black (expectant/deceased) (Correct answer)
Move the patient to the treatment area and resume CPR there
Administer epinephrine and continue reassessment
Begin CPR immediately

Correct answer: Reclassify the patient as black (expectant/deceased)

In MCI triage, resources are allocated to salvageable patients; a pulseless patient with no resources available is reclassified as black.

Question 99: When documenting a patient's chief complaint, which approach is MOST appropriate?

Paraphrase the complaint in medical terminology
Write only the paramedic's clinical impression
Record the patient's exact words in quotation marks (Correct answer)
Omit subjective complaints and document only objective findings

Correct answer: Record the patient's exact words in quotation marks

Recording the patient's exact words preserves the subjective history accurately and is the standard for prehospital documentation.

Question 100: During the resuscitation of a newborn, the baby remains apneic with a heart rate of 45 beats per minute despite effective positive-pressure ventilation. Which of the following is the most appropriate next step?

Administer a fluid bolus of 20 mL/kg.
Begin chest compressions. (Correct answer)
Administer atropine 0.02 mg/kg.
Intubate immediately.

Correct answer: Begin chest compressions.

According to the Neonatal Resuscitation Program (NRP) guidelines, if a newborn's heart rate is below 60 bpm despite 30 seconds of effective positive-pressure ventilation, chest compressions should be initiated. Compressions should be coordinated with ventilations at a 3:1 ratio.

Question 101: What is 'demand mode' in the context of transcutaneous pacing?

Pacing only when the patient's heart rate falls below the set rate (Correct answer)
Increasing pacing output on demand based on blood pressure
Pacing continuously at a fixed rate regardless of the patient's rhythm
Synchronizing pacing spikes with the patient's P waves

Correct answer: Pacing only when the patient's heart rate falls below the set rate

Demand mode inhibits pacing output when the patient's intrinsic rate meets or exceeds the set rate, preventing competition with the native rhythm.

Question 102: What is the importance of response time in emergency care?

To decrease treatment costs
To ensure immediate intervention and improve patient outcomes (Correct answer)
To reduce transport time
To monitor patient comfort

Correct answer: To ensure immediate intervention and improve patient outcomes

In emergency care, every second counts, especially in critical situations like cardiac arrest, severe trauma, or stroke. A rapid response time allows paramedics to reach the patient quickly, initiate life-saving interventions, and stabilize their condition sooner. This immediate action significantly increases the chances of survival and can reduce the severity of long-term disabilities, directly improving patient outcomes.

Question 103: A patient with an implanted pacemaker goes into pulseless ventricular tachycardia. The paramedic should:

Avoid defibrillation as it could damage the pacemaker
Deliver a precordial thump and reassess
Defibrillate but place pads at least 8 cm away from the device (Correct answer)
Only use transcutaneous pacing

Correct answer: Defibrillate but place pads at least 8 cm away from the device

Defibrillation should not be withheld in pulseless VT; pads should be placed at least 8 cm from the pacemaker generator to avoid device damage while still delivering effective therapy.

Question 104: On a rhythm strip, you notice the QRS complex occurring regularly at 32 bpm with wide, bizarre-looking complexes and no associated P waves. What is this rhythm?

Idioventricular tachycardia
Ventricular escape rhythm (Correct answer)
Junctional escape rhythm
Accelerated idioventricular rhythm

Correct answer: Ventricular escape rhythm

A ventricular escape rhythm has a rate of 20-40 bpm, wide and bizarre QRS complexes, and represents the last resort pacemaker when higher pacemakers fail.

Question 105: What is the function of a blood pressure cuff?

To check oxygen levels
To deliver oxygen
To measure blood pressure (Correct answer)
To monitor heart rate

Correct answer: To measure blood pressure

A blood pressure cuff, or sphygmomanometer, is a fundamental diagnostic tool used to measure a patient's arterial blood pressure. It works by temporarily occluding blood flow in an artery and then gradually releasing the pressure while listening for specific sounds (Korotkoff sounds) or using an oscillometric method. This measurement provides crucial information about the patient's cardiovascular status, indicating conditions like hypertension or hypotension.

Question 106: During CPR, a paramedic suspects hypomagnesemia as the cause of refractory VF. What is the correct magnesium sulfate dose and route?

0.5 g IV push over 1 minute
1–2 g IV/IO push over 1–2 minutes (Correct answer)
8 g IM injection
4 g IV over 15 minutes

Correct answer: 1–2 g IV/IO push over 1–2 minutes

Magnesium sulfate 1–2 g IV/IO administered over 1–2 minutes (push) is the correct dose for hypomagnesemia-induced refractory VF during cardiac arrest.

Question 107: A trauma patient in Class III hemorrhagic shock would MOST likely present with which set of vital signs?

HR 120, BP 90/70, RR 28 (Correct answer)
HR 60, BP 140/90, RR 10
HR 90, BP 120/80, RR 14
HR 100, BP 110/80, RR 20

Correct answer: HR 120, BP 90/70, RR 28

Class III hemorrhagic shock (30–40% blood loss) typically presents with HR >120, systolic BP <90, and RR of 26–35.

Question 108: A patient with suspected acute coronary syndrome has a blood pressure of 90/60 mmHg. Which medication should be WITHHELD?

Nitroglycerin 0.4 mg sublingual (Correct answer)
Aspirin 324 mg chewed
12-lead ECG acquisition
Oxygen if SpO2 <94%

Correct answer: Nitroglycerin 0.4 mg sublingual

Nitroglycerin is contraindicated in hypotensive ACS patients (SBP <90 mmHg) as further vasodilation can cause hemodynamic collapse.

Question 109: A patient with COPD presents with worsening dyspnea and is using accessory muscles. Their ETCO2 is 58 mmHg. This value MOST likely indicates:

Adequate respiratory compensation
Hyperventilation
Hypoventilation with CO2 retention (Correct answer)
Normal ventilation for a COPD patient

Correct answer: Hypoventilation with CO2 retention

ETCO2 of 58 mmHg indicates hypoventilation and CO2 retention (hypercapnia), consistent with a COPD exacerbation with impending respiratory failure.

Question 110: When a patient with an implanted cardioverter-defibrillator (ICD) requires external defibrillation, pads should be placed:

Only in the anterior-lateral position
In any standard position without modification
At least 8 cm (3 inches) away from the ICD device (Correct answer)
Directly over the ICD generator for best effect

Correct answer: At least 8 cm (3 inches) away from the ICD device

External pads should be placed at least 8 cm from an ICD generator to avoid damaging the device or reducing shock effectiveness.

Question 111: Which finding on a 12-lead ECG is MOST indicative of an ST-elevation myocardial infarction (STEMI) requiring immediate cath lab activation?

ST elevation ≥1 mm in two or more contiguous leads (Correct answer)
Left bundle branch block with rate 90 bpm
Q waves in leads II, III, aVF
Sinus tachycardia with T-wave inversions in V1-V3

Correct answer: ST elevation ≥1 mm in two or more contiguous leads

ST elevation ≥1 mm in two or more contiguous leads is the hallmark ECG criterion for STEMI requiring emergent reperfusion therapy.

Question 112: What is the first step in managing a fractured bone?

Apply bandages
Administer painkillers
Immobilize the fracture site with a splint (Correct answer)
Elevate the limb

Correct answer: Immobilize the fracture site with a splint

The first and most crucial step in managing a suspected fractured bone is to immobilize the injury site. Applying a splint prevents movement of the broken bone fragments, which reduces pain, minimizes further tissue damage, and prevents potential complications like nerve or blood vessel injury. Proper immobilization is essential for safe transport and better healing outcomes.

Question 113: You assess a patient with suspected diabetic ketoacidosis (DKA). Which finding MOST supports this diagnosis?

Kussmaul respirations and fruity breath odor (Correct answer)
Miosis and diaphoresis
Stridor and drooling
Bradycardia and hypertension

Correct answer: Kussmaul respirations and fruity breath odor

Kussmaul respirations (deep, labored breathing) and fruity (acetone) breath odor are hallmark signs of DKA from metabolic acidosis and ketone production.

Question 114: What is the PRIMARY advantage of rotating chest compressors every 2 minutes during a prolonged resuscitation?

It prevents compressor fatigue which degrades compression quality (Correct answer)
It allows more team members to practice
It reduces medication errors
It shortens the overall resuscitation time

Correct answer: It prevents compressor fatigue which degrades compression quality

Compressor fatigue sets in rapidly, and rotating every 2 minutes (aligned with rhythm checks) maintains optimal compression depth and rate.

Question 115: A patient with a cardiac pacemaker presents to your unit. The ECG shows a pacemaker spike followed by a QRS complex in some beats but not others. What does this indicate?

Pacemaker oversensing
Failure to sense (undersensing)
Failure to capture (Correct answer)
Normal pacemaker function with fusion beats

Correct answer: Failure to capture

Failure to capture occurs when a pacemaker spike is present but fails to depolarize the myocardium, resulting in pacing spikes not followed by QRS complexes.

Question 116: A 6-year-old child (22 kg) requires IV fluid resuscitation for dehydration. What is the correct initial bolus volume?

220 mL normal saline (Correct answer)
500 mL normal saline
440 mL normal saline
110 mL normal saline

Correct answer: 220 mL normal saline

The standard pediatric fluid bolus is 20 mL/kg, so a 22 kg child receives 440 mL — but the initial safe bolus is commonly administered as 10-20 mL/kg; 20 mL/kg = 440 mL.

Question 117: Which concept describes the unspoken shared understanding of each member's role and the current situation during a resuscitation?

Shared mental model (Correct answer)
Crew resource management
Situational awareness
Role redundancy

Correct answer: Shared mental model

A shared mental model means all team members have the same understanding of the patient's condition, priorities, and next steps.

Question 118: Which drug is used to treat torsades de pointes that degenerates into pulseless VT/VF during cardiac arrest?

Amiodarone 300 mg IV
Procainamide 20 mg/min infusion
Magnesium sulfate 1–2 g IV (Correct answer)
Lidocaine 1.5 mg/kg IV

Correct answer: Magnesium sulfate 1–2 g IV

Magnesium sulfate 1–2 g IV/IO is the treatment of choice for torsades de pointes-related VT/VF during cardiac arrest.

Question 119: You are preparing for a Rapid Sequence Intubation (RSI) on a patient with a suspected head injury and increasing intracranial pressure. Which of the following induction agents is often preferred in this scenario due to its hemodynamic stability and potential for neuroprotection?

Propofol
Midazolam
Etomidate (Correct answer)
Diazepam

Correct answer: Etomidate

Etomidate is often favored for RSI in patients with head injuries as it maintains hemodynamic stability (minimal effect on blood pressure) and does not increase intracranial pressure. In contrast, Propofol can cause significant hypotension, and benzodiazepines like Diazepam and Midazolam may also lower blood pressure.

Question 120: Which finding during auscultation of breath sounds BEST indicates right mainstem bronchus intubation?

Bilateral absent breath sounds
Gurgling sounds over the epigastrium
Stridor heard bilaterally
Breath sounds present on the right, absent on the left (Correct answer)

Correct answer: Breath sounds present on the right, absent on the left

Right mainstem intubation ventilates only the right lung, producing breath sounds on the right with absent sounds on the left.

Question 121: A patient in cardiac arrest has ECG showing organized electrical activity but no palpable pulse. Which rhythm is present?

Fine ventricular fibrillation
Asystole
Ventricular fibrillation
Pulseless electrical activity (Correct answer)

Correct answer: Pulseless electrical activity

Pulseless electrical activity (PEA) is defined as organized cardiac electrical activity on ECG without a palpable pulse.

Question 122: During transcutaneous pacing, you observe pacing spikes on the monitor but no pulse. This is called:

Oversensing
Failure to sense
Electrical capture without mechanical capture (Correct answer)
Undersensing

Correct answer: Electrical capture without mechanical capture

Electrical capture without mechanical capture means the heart is receiving the electrical stimulus but not contracting effectively in response.

Question 123: What should a paramedic do if the patient is in shock?

Monitor the patient without taking action
Wait for medical assistance
Move the patient quickly
Keep warm, elevate legs, and administer fluids (Correct answer)

Correct answer: Keep warm, elevate legs, and administer fluids

Shock is a life-threatening condition where the body isn't getting enough blood flow, leading to inadequate oxygen delivery to tissues and organs. Paramedic management focuses on improving circulation and perfusion. Keeping the patient warm prevents hypothermia, elevating the legs can help return blood to the core, and administering intravenous fluids helps increase circulating blood volume, all aimed at stabilizing the patient.

Question 124: How should a paramedic assess a patient's airway?

By ensuring the airway is clear of obstructions (Correct answer)
By taking the patient's temperature
By checking pulse rate
By listening to the lungs

Correct answer: By ensuring the airway is clear of obstructions

Assessing a patient's airway involves determining if it is open and unobstructed, allowing air to move freely to and from the lungs. Paramedics look for signs of obstruction, listen for abnormal sounds like snoring or gurgling, and visually inspect the mouth and throat for foreign objects or swelling. A clear airway is the absolute first priority in patient assessment, as without it, breathing and circulation cannot be effective.

Question 125: You are performing transcutaneous pacing (TCP) on a patient with symptomatic bradycardia. After achieving electrical capture on the monitor, what is the most critical next step to ensure the therapy is effective?

Document the millamperage (mA) setting.
Confirm mechanical capture by palpating a pulse. (Correct answer)
Administer sedation for patient comfort.
Increase the pacing rate to 80 beats per minute.

Correct answer: Confirm mechanical capture by palpating a pulse.

While electrical capture (a pacer spike followed by a QRS complex) is necessary, it does not guarantee the heart is actually contracting and producing a pulse. The paramedic must confirm mechanical capture by palpating a central pulse (like the femoral) or observing an improved blood pressure. This ensures the electrical stimulation is resulting in effective cardiac output.

Question 126: A patient requires needle decompression for tension pneumothorax. Which landmark is used for the traditional approach?

5th intercostal space, midaxillary line
3rd intercostal space, anterior axillary line
4th intercostal space, parasternal line
2nd intercostal space, midclavicular line (Correct answer)

Correct answer: 2nd intercostal space, midclavicular line

The traditional landmark for needle decompression is the 2nd intercostal space at the midclavicular line, inserted superior to the 3rd rib to avoid neurovascular structures.

Question 127: In which of the following cardiac arrest situations is the administration of epinephrine recommended as early as feasible once IV/IO access is established?

Ventricular Fibrillation
Pulseless Electrical Activity (PEA) (Correct answer)
Only after the third defibrillation attempt, regardless of rhythm.
Pulseless Ventricular Tachycardia

Correct answer: Pulseless Electrical Activity (PEA)

For non-shockable rhythms, such as Pulseless Electrical Activity (PEA) and asystole, high-quality CPR and early administration of epinephrine are the cornerstones of treatment. Unlike shockable rhythms where defibrillation is the priority, in PEA, epinephrine should be given as soon as possible after access is obtained to improve perfusion.

Question 128: A victim of a blast injury presents with tympanic membrane rupture and no other obvious injuries. This finding is most significant because:

It is a marker for primary blast injury affecting hollow organs such as the bowel and lungs (Correct answer)
It indicates the patient has a closed head injury requiring immediate RSI
It is an isolated finding with no implications for other organ systems
It confirms the patient is not at risk for secondary injury from fragmentation

Correct answer: It is a marker for primary blast injury affecting hollow organs such as the bowel and lungs

Tympanic membrane rupture from overpressure is a reliable indicator of primary blast injury and warrants evaluation for pulmonary blast injury and hollow viscus injuries.

Question 129: A patient presents with an irregular rhythm, no discernible P waves, and an irregularly irregular ventricular rate of 110 bpm. What is the most likely rhythm?

Atrial flutter with variable block
Wandering atrial pacemaker
Multifocal atrial tachycardia
Atrial fibrillation (Correct answer)

Correct answer: Atrial fibrillation

Atrial fibrillation is characterized by an irregularly irregular ventricular response and absent distinct P waves, replaced by fibrillatory baseline.

Question 130: Which of the following is the primary reason for administering epinephrine during cardiac arrest?

To cause peripheral vasoconstriction and improve coronary perfusion. (Correct answer)
To increase the heart's contractility and rate.
To directly convert Ventricular Fibrillation to a sinus rhythm.
To correct metabolic acidosis.

Correct answer: To cause peripheral vasoconstriction and improve coronary perfusion.

The primary benefit of epinephrine in cardiac arrest is its alpha-adrenergic effect, which causes systemic vasoconstriction. This action increases aortic diastolic pressure, leading to improved coronary and cerebral perfusion pressures, which is critical for achieving Return of Spontaneous Circulation (ROSC). While it has beta-adrenergic effects that increase contractility and rate, the alpha-mediated vasoconstriction is the key mechanism of action in this setting.

Question 131: A new paramedic on your team begins performing compressions but uses a rate of 80/min. As team leader, what is the BEST immediate action?

Redirect the compressor to target 100-120/min using closed-loop communication (Correct answer)
Immediately switch compressors without explanation
Ignore it and continue
Stop the code and re-educate the team

Correct answer: Redirect the compressor to target 100-120/min using closed-loop communication

Closed-loop communication allows the team leader to correct performance in real time without disrupting resuscitation flow.

Question 132: During post-resuscitation care, which vasopressor is recommended to maintain a systolic BP ≥90 mmHg after ROSC?

Phenylephrine only
Norepinephrine or dopamine titrated to effect (Correct answer)
Vasopressin 20 units bolus repeated every 10 minutes
Epinephrine 1 mg boluses every 5 minutes

Correct answer: Norepinephrine or dopamine titrated to effect

Post-ROSC hypotension is treated with norepinephrine or dopamine titrated to maintain systolic BP ≥90 mmHg (or MAP ≥65 mmHg).

Question 133: A patient has an impaled object in the left eye. The correct prehospital management is:

Leave the object and cover only the injured eye
Stabilize the object in place with bulky dressings and cover both eyes (Correct answer)
Irrigate the eye and transport without covering
Remove the object carefully and apply a pressure patch

Correct answer: Stabilize the object in place with bulky dressings and cover both eyes

Impaled objects should never be removed in the field; stabilizing the object and covering both eyes prevents sympathetic movement that could worsen injury.

Question 134: Which of the following SpO2 values would indicate the NEED for supplemental oxygen in a patient with COPD per current evidence-based guidelines?

SpO2 < 88% (Correct answer)
SpO2 89–90%
SpO2 > 95%
SpO2 91–94%

Correct answer: SpO2 < 88%

Supplemental oxygen is indicated in COPD patients when SpO2 drops below 88% to target a safe range of 88–92% and avoid hypoxic drive suppression.

Question 135: A PEEP valve is attached to the BVM during ventilation of a patient with severe pulmonary edema. What does PEEP accomplish?

Maintains positive airway pressure at end-expiration to recruit alveoli (Correct answer)
Prevents air trapping in asthmatic patients
Reduces the tidal volume delivered per breath
Increases inspiratory flow rate to improve oxygenation

Correct answer: Maintains positive airway pressure at end-expiration to recruit alveoli

PEEP prevents alveolar collapse at end-expiration, recruits fluid-filled alveoli, and improves oxygenation in conditions like pulmonary edema and ARDS.

Certified Paramedic Response (CPR) Examination

The Certified Paramedic Response exam validates advanced pre-hospital emergency care competency, assessing clinical judgment and procedural skills across airway management, cardiology, trauma, and medical emergencies at the paramedic level.

135

Questions

150 min

Time Limit

70%

To Pass

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