First Aid Practice Test: Video 1 Answers (25 Questions) — Questions and Answers

Question 1: Which type of wound has the highest risk of infection due to bacteria introduced at the time of injury?

Incision from a clean knife
Abrasion from pavement
Animal bite wound (Correct answer)
Surgical cut

Correct answer: Animal bite wound

Animal bites introduce bacteria deep into tissue and carry the highest infection risk, including rabies.

Question 2: Which of the following is the first and most important step in managing a minor cut or scrape?

Stopping the bleeding. (Correct answer)
Washing your hands thoroughly.
Applying an antibiotic ointment.
Covering the wound with a bandage.

Correct answer: Stopping the bleeding.

For any wound, the immediate priority is to control and stop the bleeding. This is typically done by applying gentle, direct pressure with a clean cloth or bandage.

Question 3: A hiker has a wound that occurred 2 days ago and now shows redness spreading from the edges, warmth, and pus. These are signs of:

Normal healing inflammation in the first 48 hours
Wound infection requiring medical evaluation (Correct answer)
An allergic reaction to the bandage material
Proper granulation tissue forming

Correct answer: Wound infection requiring medical evaluation

Spreading erythema, warmth, and purulent discharge after 48 hours indicate wound infection requiring medical treatment, possibly antibiotics.

Question 4: What does the term 'ecchymosis' refer to in wound assessment?

Bruising caused by blood leaking into surrounding tissue (Correct answer)
Swelling from fluid accumulation
Infection with pus formation
A deep puncture wound track

Correct answer: Bruising caused by blood leaking into surrounding tissue

Ecchymosis is the medical term for bruising — discoloration caused by blood from damaged vessels spreading under the skin.

Question 5: A child scrapes their knee on asphalt. Which action is most important when cleaning this abrasion?

Cover immediately without cleaning to avoid pain
Gently remove debris and rinse with clean water (Correct answer)
Apply hydrogen peroxide to kill all bacteria
Apply an antibiotic cream before rinsing

Correct answer: Gently remove debris and rinse with clean water

Rinsing with clean water removes debris and bacteria; hydrogen peroxide can damage tissue and delay healing.

Question 6: What is the minimum safe distance from power lines that unqualified workers must maintain, according to OSHA?

3 feet
25 feet
6 feet
10 feet (Correct answer)

Correct answer: 10 feet

OSHA requires unqualified workers to maintain at least a 10-foot distance from overhead power lines up to 50 kV.

Question 7: A coworker gets a chemical splash in the eye. What is the first action you should take?

Apply antibiotic ointment to the eye
Cover the eye with a sterile pad
Flush the eye with clean water for at least 15 minutes (Correct answer)
Call poison control immediately

Correct answer: Flush the eye with clean water for at least 15 minutes

Flushing with clean water for at least 15 minutes removes the chemical and minimizes tissue damage.

Question 8: Which of the following describes a heart attack's most typical symptoms?

Shortness of Breath
Nausea
Chest Pain (Correct answer)
Cough

Correct answer: Chest Pain

While heart attack symptoms can vary, chest pain is the most common and classic symptom. It is often described as pressure, tightness, squeezing, or aching in the center of the chest. Recognizing this primary symptom is crucial for prompt medical attention.

Question 9: What does the acronym PASS stand for when using a fire extinguisher?

Point, Aim, Squeeze, Spray
Push, Activate, Spray, Step back
Pull, Aim, Squeeze, Sweep (Correct answer)
Pull, Attach, Squirt, Spread

Correct answer: Pull, Aim, Squeeze, Sweep

PASS stands for Pull the pin, Aim at the base, Squeeze the handle, and Sweep side to side.

Question 10: A worker is found with a piece of metal impaled in the abdomen. What is the correct first aid approach?

Remove the object quickly to reduce internal bleeding
Apply pressure directly on the object to stop bleeding
Push the object deeper to reduce air leakage
Stabilize the object in place and do not remove it (Correct answer)

Correct answer: Stabilize the object in place and do not remove it

Impaled objects should be stabilized in place because removal can cause increased bleeding and organ damage.

Question 11: A 7-year-old child collapses. Which AED pads should be used if only adult pads are available?

Do not use the AED on children under 8
Use adult pads placed front and back (Correct answer)
Use adult pads placed side by side on the chest
Reduce shock energy by half manually

Correct answer: Use adult pads placed front and back

If pediatric pads are unavailable, adult pads may be used on children with one pad on the chest and one on the back.

Question 12: Where should AED electrode pads be placed on an adult victim?

Upper left chest and lower right side
Both pads on the left side of the chest
Center of the chest and center of the back
Upper right chest and lower left side below the armpit (Correct answer)

Correct answer: Upper right chest and lower left side below the armpit

One pad goes on the upper right chest below the collarbone; the other goes on the lower left side below the armpit.

Question 13: A victim is lying on a wet surface. How should this affect AED use?

Do not use the AED on a wet surface under any circumstances
Move the victim to a dry surface before using the AED (Correct answer)
Use the AED as normal; water does not affect shocks
Only use the AED if the victim is completely dry all over

Correct answer: Move the victim to a dry surface before using the AED

Move the victim to a dry surface before attaching AED pads to prevent electrical conduction through water.

Question 14: When performing CPR on an adult, what is the correct compression-to-ventilation ratio?

5:1
15:2
30:2 (Correct answer)
10:1

Correct answer: 30:2

The correct adult CPR ratio is 30 chest compressions to 2 rescue breaths.

Question 15: For two-rescuer infant CPR, which compression technique is preferred?

Two-finger technique below the nipple line
Heel-of-hand technique
Two-thumb encircling technique (Correct answer)
Full-hand compression technique

Correct answer: Two-thumb encircling technique

With two rescuers, the two-thumb encircling technique provides better compression depth and consistency for infants.

Question 16: Which fluid should NOT be used to clean an open wound in first aid?

Sterile irrigation fluid
Undiluted iodine or strong antiseptic directly in the wound (Correct answer)
Saline solution
Clean running water

Correct answer: Undiluted iodine or strong antiseptic directly in the wound

Undiluted iodine and strong antiseptics can damage wound tissue and delay healing; clean water or saline is preferred for wound irrigation.

Question 17: You improvise a tourniquet using a triangular bandage. What must you always do after applying it?

Cover it with clothing to keep it warm
Remove it once bleeding slows
Note the time of application on the victim's skin or tag (Correct answer)
Loosen it every 10 minutes

Correct answer: Note the time of application on the victim's skin or tag

Always write the time of tourniquet application on the victim's forehead or a tag so medical personnel know how long it has been in place.

Question 18: A victim has a deep laceration on their forearm with bright red blood spurting in pulses. What type of bleeding is this?

Venous bleeding
Internal bleeding
Arterial bleeding (Correct answer)
Capillary bleeding

Correct answer: Arterial bleeding

Arterial bleeding is characterized by bright red blood that spurts in pulses synchronized with the heartbeat.

Question 19: What is the correct position for a conscious shock victim with no suspected spinal injury?

Standing to encourage circulation
Flat on back with legs elevated 8–12 inches (Correct answer)
Recovery position on their side
Seated upright with legs dangling

Correct answer: Flat on back with legs elevated 8–12 inches

Elevating the legs 8–12 inches in a supine victim helps return blood to vital organs, improving perfusion during shock.

Question 20: When using a pressure dressing, the first bandage becomes blood-soaked. What should you do?

Remove the soaked bandage and replace it
Add more dressings on top and apply additional pressure (Correct answer)
Apply a tourniquet immediately
Leave the wound open to allow clotting

Correct answer: Add more dressings on top and apply additional pressure

Adding more dressings on top preserves any clot that has begun to form; removing the original dressing disrupts the clotting process.

Question 21: You are performing CPR alone on an adult. EMS has been called. At what rate should you deliver chest compressions?

At whatever pace feels natural
140-160 compressions per minute
100-120 compressions per minute (Correct answer)
60-80 compressions per minute

Correct answer: 100-120 compressions per minute

Guidelines recommend 100-120 compressions per minute to maximize blood flow during CPR.

Question 22: A bystander collapses with no pulse. An AED has just arrived. After powering it on, what is the correct next step?

Check the victim's blood pressure
Attach the electrode pads to the victim's bare chest (Correct answer)
Deliver a shock before analyzing the rhythm
Begin chest compressions immediately

Correct answer: Attach the electrode pads to the victim's bare chest

After powering on the AED, you attach the electrode pads as directed by the device so it can analyze the heart rhythm before advising a shock.

Question 23: A coworker is found unconscious with slow, gasping breaths. This type of breathing is called what, and what action should you take?

Tachypnea — give two rescue breaths and monitor
Agonal breathing — begin CPR immediately (Correct answer)
Bradypnea — administer oxygen and wait for EMS
Cheyne-Stokes respiration — place in recovery position

Correct answer: Agonal breathing — begin CPR immediately

Agonal breathing (irregular gasping) is a reflex action that is not effective breathing; it is a sign of cardiac arrest and CPR should begin immediately.

Question 24: You find an unconscious adult who is breathing. There is no suspicion of spinal injury. What position should you place them in?

Recovery position (on their side) (Correct answer)
Flat on their back (supine)
Semi-seated at 45 degrees
Face down (prone)

Correct answer: Recovery position (on their side)

The recovery position keeps the airway open and prevents aspiration if the person vomits while unconscious.

Question 25: During CPR, a rescuer doing compressions becomes fatigued. When should they switch with another rescuer?

Never switch — consistency is more important
Only after 30 minutes
Every 2 minutes or after each 5 cycles of 30:2 (Correct answer)
Only if compressions are causing visible injury

Correct answer: Every 2 minutes or after each 5 cycles of 30:2

Compression quality degrades rapidly with fatigue; switching every 2 minutes maintains effective depth and rate.

First Aid Practice Test: Video 1 Answers (25 Questions)

Which type of wound has the highest risk of infection due to bacteria introduced at the time of injury?

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