PRACTICE EXAM QUESTIONS AND CORRECT ANSWERS (V
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ERIFIED ANSWERS) PLUS RATIONALES 2026/2027 Q&A | I v v v v v v v
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1.
vA 56-year- v
old man presents with substernal chest pain that began 1 hour ago while he was m
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owing the lawn. The pain is pressure-
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like and radiates to the left arm. ECG shows ST elevation in leads II, III, and aVF. Nex
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t best step in management?
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A. Give sublingual nitroglycerin
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B. Administer aspirin and activate cardiac catheterization lab
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C. Start IV heparin only
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D. Order a chest X-ray
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Answer: B. Administer aspirin and activate cardiac catheterization lab
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ST elevation in II, III, aVF = inferior STEMI. Reperfusion therapy is required (PCI if a
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vailable). Aspirin reduces mortality. Chest X-
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ray is not appropriate initially, and nitro is supportive but not definitive.
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2.
A 25-year-
v
old woman presents with fever, dysuria, and flank pain. Urinalysis shows WBC casts
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. Best treatment?
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A. Oral nitrofurantoin
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B. IV ceftriaxone
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C. Oral ciprofloxacin
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D. IV vancomycin
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,Answer: B. IV ceftriaxone
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WBC casts indicate pyelonephritis. Inpatient IV therapy (ceftriaxone) is indicated for
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systemic symptoms. Nitrofurantoin is for simple cystitis, not pyelo.
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3.
A 60-year-
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old man with chronic alcohol use presents with confusion, ataxia, and ophthalmopl
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egia. Which vitamin deficiency is most likely?
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A. Vitamin B1 (thiamine)
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B. Vitamin B6 (pyridoxine)
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C. Vitamin B12 (cobalamin)
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D. Vitamin C
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Answer: A. Vitamin B1 (thiamine)
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Classic Wernicke encephalopathy triad: confusion, ataxia, ophthalmoplegia → thia
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mine deficiency.
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4.
A 32-year-
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old woman presents with fatigue, weight gain, constipation, and dry skin. TSH is ele
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vated. Best treatment?
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A. Methimazole
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B. Levothyroxine
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C. Radioactive iodine
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D. Propranolol
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Answer: B. Levothyroxine
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Primary hypothyroidism (high TSH). Levothyroxine is standard treatment.
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5.
,A 7-year-old boy has a sore throat, fever, and sandpaper-
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like rash. Rapid strep antigen test is positive. Best treatment?
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A. Amoxicillin v
B. Azithromycin v
C. Ciprofloxacinv
D. Supportive care only
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Answer: A. Amoxicillin v v
Scarlet fever is caused by Group A strep. Treat with penicillin or amoxicillin.
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6.
A 19-year-
v
old male presents after a motorcycle accident. He is hypotensive, has distended nec
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k veins, and tracheal deviation to the left. Best initial management?
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A. Endotracheal intubation
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B. Needle thoracostomy
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C. Chest tube placement
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D. IV fluids v v
Answer: B. Needle thoracostomy
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Tension pneumothorax → immediate decompression with needle thoracostomy, fol
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lowed by chest tube.
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7.
A 72-year-
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old man has a resting tremor, bradykinesia, and cogwheel rigidity. Most appropriate ini
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tial therapy?
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A. Levodopa-carbidopa
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B. Bromocriptinev
C. Selegiline v
, D. Amantadine
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Answer: A. Levodopa-carbidopa
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Parkinson’s first-line therapy in elderly is levodopa-
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carbidopa. Dopamine agonists are more often used in younger patients.
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8.
A 22-year-
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old woman presents with RLQ abdominal pain, fever, and leukocytosis. What is the
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most likely diagnosis?
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A. Ectopic pregnancy
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B. Appendicitis
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C. Ovarian torsion
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D. Pelvic inflammatory disease
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Answer: B. Appendicitis v v
Classic presentation of appendicitis in a young adult with RLQ pain and leukocytosis.
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9.
A 3-year-
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old girl presents with a barking cough, stridor, and hoarseness. Symptoms worsen a
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t night. Best initial management?
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A. Racemic epinephrine
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B. IV dexamethasone
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C. Humidified air and corticosteroids
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D. Intubation
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Answer: C. Humidified air and corticosteroids
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Croup (parainfluenza). Mild-
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moderate cases managed with humidified air + corticosteroids. Racemic epi for sev
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ere cases.
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