Exam Questions And Correct Answers
(Verified Answers) Plus Rationales
2025|2026 Q&A | Instant Download Pdf
1. What is the recommended next step when encountering an artifact on
ECG that looks like a wandering baseline?
A. B. Change electrode placement
C. Increase filter setting
D. Repeat ECG after rest
Rationale: Changing electrode placement helps reduce motion or
poor contact artifacts.
2. In a patient with suspected pulmonary embolism and contraindication
to contrast, which imaging is best?
A. Pulmonary angiography
B. Ventilation–perfusion (V/Q) scan
C. CT pulmonary angiogram
D. MRI chest
Rationale: V/Q scan is best when contrast is contraindicated.
3. A 30-year-old male has sudden onset chest pain and ST-elevation in
leads V1–V4. The most likely artery involved is:
A. Circumflex
, B. Right coronary artery
C. Left anterior descending artery
D. Posterior descending artery
Rationale: V1–V4 changes suggest an anterior MI supplied by the
LAD.
4. Which antibiotic regimen is most appropriate for suspected bacterial
meningitis in adults?
A. Ampicillin alone
B. Ceftriaxone + vancomycin
C. Ampicillin + gentamicin
D. Ciprofloxacin + metronidazole
Rationale: Ceftriaxone plus vancomycin covers common pathogens
including resistant strains.
5. A patient with hypertension is started on an ACE inhibitor. Which lab
should be checked later?
A. Glucose
B. Potassium
C. Hemoglobin
D. Calcium
Rationale: ACE inhibitors can increase serum potassium, risking
hyperkalemia.
6. in acute asthma exacerbation, first-line nebulized medication is:
A. Ipratropium
B. Albuterol (salbutamol)
C. Magnesium sulfate
D. Inhaled corticosteroid
Rationale: Short-acting beta-agonist (albuterol) is first-line
bronchodilator.
, 7. What’s the antidote for acetaminophen overdose given within 8
hours?
A. Fomepizole
B. Ethanol
C. N-acetylcysteine
D. Activated charcoal
Rationale: N-acetylcysteine replenishes glutathione and prevents
liver toxicity.
8. In DKA, the initial management includes:
A. Bicarbonate infusion
B. IV fluids and insulin
C. Insulin only
D. Oral hydration
Rationale: The cornerstone is volume resuscitation and insulin
therapy.
9. A 25-year-old woman with sudden severe headache, “thunderclap,”
suggests:
A. Tension headache
B. Migraine
C. Subarachnoid hemorrhage
D. Cluster headache
Rationale: Thunderclap headache suggests subarachnoid
hemorrhage.
10. First-line treatment for newly diagnosed essential hypertension
in a diabetic patient:
A. Beta-blocker
B. Thiazide diuretic
C. Calcium-channel blocker
D. ACE inhibitor