This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Misc., Subject name: Microbiology
Paul Bunnell Test is the standard diagnostic procedure for 
Select and explain. 
A. Infectious mononucleosis, B. Ramsay Hunt syndrome, C. Chicken pox, D. Kaposi's varicella form eruption
A: Infectious mononucleosis
Answer: A: Infectious mononucleosis 
Explanation: (A) Infectious mononucleosis # Standard diagnostic procedure for Infections mononucleosis is the Paul-Bunnel test.> During infectious mononucleosis, heterophile antibodies agglutinate sheep erythrocytes> However, such antibodies may also occur after injections of sera & sometimes even in normal individuals> Infectious mononucleosis antibodies may be differentiated by absorption tests.> The Paul-Bunnel antibody develops early during the course of infectious mononucleosis, and disappears within about two months.