DOH Emergency Medicine & Critical Care

Question 1

According to HAAD/DOH guidelines, what is the recommended first-line treatment for anaphylaxis in adults?

Accepted Answer

Intramuscular epinephrine 0.3–0.5 mg (1:1000)

Answer

Intravenous hydrocortisone 200 mg

Answer

Intravenous diphenhydramine 50 mg

Answer

Subcutaneous epinephrine 0.1 mg (1:10000)

Question 2

A patient presents with a Glasgow Coma Scale (GCS) score of 8. What does this indicate?

Accepted Answer

Severe brain injury requiring immediate airway protection

Answer

Mild traumatic brain injury requiring observation

Answer

Moderate brain injury manageable with supplemental oxygen

Answer

Normal neurological status in a sedated patient

Question 3

Which ECG finding is most consistent with ST-elevation myocardial infarction (STEMI) requiring immediate intervention?

Accepted Answer

New left bundle branch block (LBBB) with ST changes

Answer

ST depression ≥ 1 mm in two contiguous leads

Answer

ST elevation ≥ 1 mm in two contiguous limb leads

Answer

T-wave inversion in leads V1–V3

Question 4

In a patient with diabetic ketoacidosis (DKA), which electrolyte must be closely monitored and replaced before starting insulin therapy?

Accepted Answer

Potassium

Answer

Sodium

Answer

Calcium

Answer

Magnesium

Question 5

What is the correct compression-to-ventilation ratio for adult cardiopulmonary resuscitation (CPR) with a single rescuer?

Accepted Answer

30:2

Answer

15:2

Answer

5:1

Answer

20:2

Question 6

A patient in septic shock is not responding to 30 mL/kg of IV crystalloid. What is the next recommended step according to Surviving Sepsis Campaign guidelines?

Accepted Answer

Initiate vasopressor therapy with norepinephrine

Answer

Administer a second bolus of 30 mL/kg crystalloid

Answer

Begin dopamine infusion at low dose

Answer

Transfuse packed red blood cells

Question 7

Which of the following is the primary endpoint for evaluating adequate fluid resuscitation in a trauma patient?

Accepted Answer

Urine output of 0.5–1 mL/kg/hour

Answer

Systolic blood pressure > 90 mmHg

Answer

Heart rate < 100 beats/minute

Answer

Serum lactate > 4 mmol/L