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200+ Multiple-Choice Questions
Correct answer is bolded with rationale following each question.
Section 1: Cardiovascular Disorders (25 questions)
1. A 58-year-old male with hypertension presents with substernal chest
pressure radiating to the jaw, nausea, and diaphoresis. ECG shows ST-
segment elevation in leads V2-V4. What is the most appropriate next step?
• A. Administer sublingual nitroglycerin
• B. Activate emergency cardiac catheterization lab
• C. Obtain serial troponins every 6 hours
• D. Start oral beta-blocker
Rationale: ST-elevation in V2-V4 indicates anterior STEMI. Immediate
reperfusion via PCI is guidelines (ACC/AHA 2026). Nitroglycerin is given but not
the priority step before activation.
2. Which medication class has been shown to reduce mortality in chronic
HFrEF regardless of diabetes status?
• A. SGLT2 inhibitors (empagliflozin)
• B. Thiazolidinediones
• C. Loop diuretics alone
, • D. Direct vasodilators (hydralazine)
Rationale: SGLT2 inhibitors reduce HF hospitalization and CV death in HFrEF
(2024 AHA/ACC/HFSA update). Diuretics control symptoms but not mortality.
... (Continues for 25 cardiology questions)
Section 2: Respiratory Disorders (20 questions)
26. A 7-year-old with nocturnal cough, wheezing after exercise, and normal
spirometry between episodes. Most appropriate initial treatment?
• A. Daily oral corticosteroids
• B. As-needed low-dose ICS-formoterol
• C. Leukotriene receptor antagonist monotherapy
• D. High-dose ICS alone
Rationale: GINA 2026 recommends as-needed ICS-formoterol for mild
intermittent asthma in children ≥6 years. Daily ICS if more frequent symptoms.
27. What finding on chest x-ray is most specific for community-acquired
pneumonia caused by Mycoplasma pneumoniae?
• A. Lobar consolidation with air bronchograms
• B. Interstitial pattern with peribronchial cuffing
• C. Cavitary lesion with air-fluid level
• D. Pleural effusion without parenchymal opacity
Rationale: Mycoplasma causes interstitial pneumonia (“walking pneumonia”).
Lobar consolidation suggests pneumococcus.
... (Continues for 20 respiratory questions)
Section 3: Endocrine & Metabolic Disorders (20 questions)
46. A 48-year-old obese woman with acanthosis nigricans, fasting glucose 118
mg/dL, and triglycerides 250 mg/dL. Most appropriate first-line therapy?