One of the following is NOT a sign of ACTIVE rheumatic fever:

Correct Answer: C

Rationale: Persistent joint symptoms without migratory polyarthritis are less indicative of active RF, as RF typically causes transient, migratory joint involvement.

Correct Answer: D

Rationale: Conversion reactions often have sudden onset, are linked to psychological stressors, and may mimic neurological conditions like pseudoseizures. They typically resolve once the underlying stressor is addressed.

Correct Answer: B

Rationale: Intrauterine growth retardation is not typically associated with polycythemia

Correct Answer: C

Rationale: Persistent joint symptoms without migratory polyarthritis are less indicative of active RF, as RF typically causes transient, migratory joint involvement.

Correct Answer: C

Rationale: Renal tubular acidosis causes normal anion gap metabolic acidosis, not high anion gap metabolic acidosis.