21. The Immune System
Primary and Secondary Response of Adaptive Immunity
Multiple Choice
Multiple ChoiceIf you draw a blood sample from a patient to determine whether he or she has a herpes simplex infection, and the patient displays a large amount of IgG against the virus but low levels of IgM, what do you conclude?
A
The patient is newly infected.
B
The patient has had the infection for a while.
C
The patient is not infected.
D
It is impossible to draw conclusions.
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