skip to main content

Infectious mononucleosis — MCCQE Part 1 MCQ

Instant feedback + full explanation. One question, done properly.

EasySore ThroatInfectious mononucleosisMCCQE Part 1

A 22-year-old student has sore throat, fever, fatigue, bilateral cervical LAD, tonsillar exudates, and splenomegaly. Rapid strep negative. CBC: lymphocytosis with 15% atypical lymphocytes. Most appropriate next step?

Educational content. Not a substitute for clinical judgement or local policy.

Reveal the answer and explanation

Correct answer: A — Heterophile antibody test (monospot)

Classic EBV mononucleosis. Amoxicillin causes rash in 70-100% of EBV patients. Avoid contact sports due to splenic rupture risk.

Reference: Canadian pharyngitis guidelines