This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Virology, Subject name: Microbiology
True about infectious mononucleosis - 
Select and explain. 
A. Associated with heterophile antibodies, B. Monocytosis, C. Associated with cold agglutinin, D. Associated with CMV infection
A: Associated with heterophile antibodies
Answer: A: Associated with heterophile antibodies 
Explanation: In infectious mononucleosis heterophile antibodies agglutinate sheep erythrocyte REF:ANANTHANARYANAN TEXTBOOK OF MICROBIOLOGY 9EDITION PGNO.476