Sinusoids are a highly modified form of these vessels.
A. Arteries
B. Arterioles
C. Venules
D. Capillaries
Answer: D. Capillaries
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A sensitized B cell typically is not activated until
A) it binds a helper T cell that releases cytokines. B) it binds a cytotoxic T cell. C) memory B cells have been cloned. D) it has cloned plasma cells. E) antibodies have been produced.
Functions of the stomach include all of the following except
A) storage of ingested food. B) denaturation of proteins. C) initiation of protein digestion. D) absorption of triglycerides. E) mechanical breakdown of food.
Which of the following is greater?
A) blood pressure when the peripheral vessels constrict B) blood pressure when the peripheral vessels dilate
You are studying the toxic effects of a newly discovered tropical plant extract. From preliminary studies, it appears that the toxin prevents H+-dependent membrane transport. Explain which digestive processes may thus be impaired.
What will be an ideal response?