The redness and heat seen in an inflamed area are the result of
A. vasoconstriction.
B. increased blood flow to the area.
C. phagocyte mobilization.
D. production of interferon.
E. a reddish substance released by erythrocytes.
B
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If the permeability of the plasma membrane to K+ ions increases, the result is
A) depolarization of the plasma membrane. B) hyperpolarization of the plasma membrane. C) little, if any, change in the resting membrane potential of the plasma membrane.
The pituitary gland (hypophysis) is connected to the hypothalamus by the _____ and is housed in the _____.
a. mammillary body; lesser wings of the sphenoid b. optic chiasma; cribriform plate of the ethmoid c. infundibulum; sella turcica of the sphenoid d. optic chiasm; petrous part of the temporal bone e. infundibulum; cribriform plate of the ethmoid
Which artery/arteries supply blood to the brachium?
A) axillary artery B) esophageal arteries C) subscapular artery D) costocervical artery
Cardiac output is equal to ________.
A. stroke volume × cardiac rate B. stroke volume + cardiac rate C. stroke volume ? cardiac rate D. stroke volume / cardiac rate