Which of the following statements describes the function of monocytes in the second line of defense?
A. Become macrophages to phagocytize bacteria.
B. Release histamine to promote inflammation.
C. Fight bacteria.
D. Attack worm parasites.
Answer: A
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The ________ are bones contained within the tympanic cavity of the temporal bone.
Fill in the blank(s) with the appropriate word(s).
________ rami communicantes carry postganglionic sympathetic axons from the sympathetic trunk to the spinal nerves.
Fill in the blank(s) with the appropriate word(s).
In general, arterioles have ________ layers of smooth muscle.
A. exactly six B. fewer than six C. more than six D. no
Which of the following is NOT a major function of muscle tissue?
a) moving blood throughout the body b) generating heat through contractions c) stabilizing the movement of joints d) promoting movement of body structures e) production of vitamins.