Features suggestive of minor manifestation of acute rheumatic fever include

Correct Answer: C

Rationale: Minor criteria include arthralgia (joint pain without objective findings), fever, elevated acute phase reactants, and prolonged PR interval on ECG.

Correct Answer: C

Rationale: Positive skin test results by intradermal testing do not necessarily correlate better with clinical symptoms than puncture tests.

Correct Answer: B

Rationale: Iron deficiency anemia is characterized by microcytosis (low MCV) and hypochromia (low MCH and MCHC).

Correct Answer: A

Rationale: Osteoarthritis is the most common form of arthritis and typically affects joints through wear and tear over time.

Correct Answer: D

Rationale: A diastolic murmur in VSD can result from aortic regurgitation due to leaflet prolapse, pulmonary hypertension leading to PR, or a large shunt causing increased flow across heart valves.