AMC MCQ Practice Test 2

Question 1

A 58-year-old man presents with crushing central chest pain radiating to the left arm for 40 minutes. ECG shows ST elevation in leads II, III, and aVF. Which artery is most likely occluded?

Accepted Answer

Right coronary artery

Answer

ST elevation in the inferior leads (II, III, aVF) typically indicates occlusion of the right coronary artery.

Question 2

A 24-year-old woman with no past history presents with sudden severe headache described as the worst of her life. What is the most appropriate first investigation?

Accepted Answer

Non-contrast CT brain

Answer

Non-contrast CT brain is the first-line investigation to detect subarachnoid haemorrhage.

Question 3

A 6-month-old infant has a barking cough, stridor, and a low-grade fever. What is the most likely diagnosis?

Accepted Answer

Croup (laryngotracheobronchitis)

Answer

Barking cough with stridor and mild fever is the classic presentation of viral croup.

Question 4

A 65-year-old smoker presents with progressive dyspnoea and a chronic productive cough. Spirometry shows FEV1/FVC of 0.6 with minimal bronchodilator reversibility. What is the diagnosis?

Accepted Answer

Chronic obstructive pulmonary disease

Answer

An FEV1/FVC below 0.7 with minimal reversibility in a smoker indicates COPD.

Question 5

A 30-year-old woman presents with weight loss, heat intolerance, palpitations, and a fine tremor. Which finding most strongly suggests Graves disease specifically?

Accepted Answer

Exophthalmos

Answer

Exophthalmos (thyroid eye disease) is specific to Graves disease among causes of hyperthyroidism.