UKMLA PLAB AMC USMLE Prometric MCQ

Question Number 0164

Question:
A 15 year old boy has a cough that tends to come in violent paroxysms together with a sparse white sputum. He complains of chilly sensations and vomiting . On examination he is found to have bradycardia. A chest xray demonstrated segmental consolidation and a small effusion. Blood tests showed IgM antibodies directed at the red cell I antigen. These features are characteristic of

a) Legionella pneumophila
b) Infectious mononucleosis
c) Mycobacterium tuberculosis
d) Mycoplasma pneumoniae
e) Pneumocystis carinii