The glial cell with perivascular feet that wrap around capillaries in the CNS is the
A. oligodendrocyte.
B. neurolemmocyte.
C. ependymal cell.
D. astrocyte.
E. microglial cell.
Answer: D
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Immunocompetence ________.
A) occurs in one specific organ of the adaptive immune system B) is the ability of individual cells to recognize a specific antigen by binding to it C) prevents intercellular communication so that only specific cell types respond to the invader D) requires exposure to an antigen
Which of the following is NOT a function of simple epithelium?
A) absorption B) protection C) diffusion D) secretion
The process whereby neutrophils and macrophages squeeze through the wall of the capillary into the interstitial space is known as...
A) diapedesis. B) hyperemia. C) vasodilation. D) chemotaxis.
Sounds associated with the mitral valve can best be heard by listening with a stethoscope in the
A. second intercostal space, to the right of the sternum. B. fifth intercostal space, to the left of the sternum, along the nipple line. C. directly over the middle of the sternum. D. fifth intercostal space, just to the right of the sternum. E. second intercostal space, to the left of the sternum.