Which type of leukocyte is polymorphonuclear?
A. Lymphocytes
B. Basophils
C. Eosinophils
D. Neutrophils
Answer: D
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Which is the most common type of capillary?
A. Discontinuous B. Venules C. Fenestrated D. Continuous E. Sinusoids
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.
In comparison with the renal cortex, fluid in the proximal tubule is hyperosmotic.
a. true b. false
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.