Antibodies are produced by
A. erythrocytes
B. macrophages
C. plasm cells
D. lymphocytes
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The correct sequence of hemostatic events is
A. vessel contraction, plug formation, and blood clot
B. blood clot, plug formation, vessel contraction
C. plug formation, blood clot, vessel contraction
D. vessel contraction, blood clot, plug formation
If one wanted to measure the number of eosinophils in a blood sample, he or she would conduct the following test:
A. hematocrit
B. electrophoresis
C. complete blood cell count
D. differential white blood cell count
All of the following are part of the first line of defense against invaders except
A. tears
B. saliva
C. neutrophils
D. skin
Damaged cells release a vasodilator substance called
A. interleukin
B. interferon
C. histamine
D. complement
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