Multiple Choice
Bordetella pertussis is characterized by rapid peripheral lymphocytosis and decreased cellularity of the lymph nodes. What can explain this phenomenon?
A) Increased CD4:CD8 ratio
B) Loss of homing of T cells to lymphoid tissue
C) Abnormal homing of lymphocytes to the bone marrow
D) Increase of L-selectin expression by T cells
Correct Answer:

Verified
Correct Answer:
Verified
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