A 15-Year-Old Girl Develops Malaise,headache,and Low-Grade Fever,followed by Pharyngitis and Cervical

question 4

Multiple Choice

A 15-year-old girl develops malaise,headache,and low-grade fever,followed by pharyngitis and cervical lymph node enlargement as a result of infectious mononucleosis caused by Epstein-Barr virus (EBV) .Her acute symptoms resolve within 2 weeks,and the fatigue improves within 3 months.Following the primary infection described in this patient,the patient's subsequent exposure to Epstein-Barr virus (EBV) will trigger clonal expansion of EBV-specific T cells expressing which one of the following surface molecules?

• A)CD62L^high
• B)CD44^low
• C)CD45RA^high
• D)CD45RO^high
• E)CD21^high

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