Which type of leukocyte is polymorphonuclear?
A. Lymphocytes
B. Basophils
C. Eosinophils
D. Neutrophils
Answer: D
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In comparison with the renal cortex, fluid in the proximal tubule is hyperosmotic.
a. true b. false
Why would a person have anti-Rh antibodies present in their blood?
A. They are Rh-positive and were exposed to Rh-negative blood. B. An Rh-negative woman is carrying an Rh-positive fetus. C. A person cannot have anti-Rh antibodies in their blood. D. An Rh-positive woman is carrying an Rh-negative fetus.
The structure of a capillary wall differs from that of a vein or artery because
A. the capillary wall has only two tunics. B. capillaries have more smooth muscle. C. capillary walls have only endothelium and a basement membrane. D. capillaries can constrict or dilate. E. capillaries are impermeable to all substances.
Which is the most common type of capillary?
A. Discontinuous B. Venules C. Fenestrated D. Continuous E. Sinusoids