Blood pressure is lowest in the
A) arteries.
B) arterioles.
C) capillaries.
D) venules.
E) veins.
Answer: E
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Which is an active transport process?
A. Facilitated diffusion B. Osmosis C. Ion pump D. Bulk filtration E. Simple diffusion
Parietal cells secrete the hormone gastrin into the blood in response to protein products in the stomach lumen and in response to alcohol
a. True b. False Indicate whether the statement is true or false
Which of the following pairs have NO relationship?
a. Secondary active transport and cotransport carriers. b. Symporters and cotransport carriers. c. Na+-K+ pump and ouabain. d. Caveolae and cell transport. e. Osmosis and carrier mediated transport.
The surfactant found in the fluid lining the alveoli is
A. brought into the alveoli in the inspired air. B. synthesized by cells in the liver. C. synthesized by alveolar cells. D. synthesized by endothelial cells. E. made only by fetal cells.