The 16-year-old boy has enlarged lymph nodes and a sore throat. His girlfriend was recently diagnosed with infectious mononucleosis
While educating this teenager, the nurse emphasizes that infectious mononucleosis is caused by which pathogen and usually transmitted via:
A) Heterophil antibodies; blood
B) Epstein-Barr virus; saliva
C) T-cell infection; plasma
D) Bacterial infection; monocytes
Ans: B
Feedback:
Infectious mononucleosis is caused by Epstein-Barr virus and is commonly transmitted through saliva. Once the B cells are infected, mononucleosis is diagnosed by the presence of heterophil antibodies in the blood. Infectious mononucleosis is a B-cell viral infection. Cytotoxic T cells attack the virus and limit the number of infected B cells without eliminating them.
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