The intense inflammatory response seen in poison ivy is due to activity of the
A. cytotoxic T cells.
B. plasma cells.
C. delayed hypersensitivity cells.
D. macrophages.
E. mast cells.
C
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In both ON and OFF visual pathways, light stimulates the release of glutamate onto bipolar cells
Indicate whether the statement is true or false.
The macula densa forms part of the __________.
a) juxtaglomerular complex b) glomerular capsule c) filtration membrane d) nephron loop
Oxygen and carbon dioxide move through the respiratory membrane and into and out of cells by the process of
A) active transport. B) cotransport. C) diffusion. D) exocytosis. E) facilitated diffusion.
A physician may order an EEG study if the patient is suspected of having ________
A) a broken nose B) a possible fracture of the frontal bone C) brain damage resulting from a deep cut in the scalp D) a tumor