Posted: July 24th, 2017
A 3-year-old boy has a history of repeated
pyogenic infections. He had normal antibody
responses following childhood immunizations
and normal recovery from chickenpox and
measles. Decreased numbers or functional
defects in which of the following cells best
explains the cause of his infections?
(A) B lymphocytes
(B) Eosinophils
(C) Macrophages
(D) Neutrophils
(E) T lymphocytes
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