During maximal exercise, the skeletal muscles can receive as much as ________ of the total blood flow.
A. 85%
B. 45%
C. 35%
D. 65%
Answer: A
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The largest region of the brain, and the region where all conscious thought processes and intellectual functions originate, is the ________.
Fill in the blank(s) with the appropriate word(s).
In anemia, 2,3-DPG is ________ and oxygen affinity is ________.
A. increased; decreased B. increased; increased C. decreased; decreased D. decreased; increased
Bundles of axons within a nerve are known as:
A) the perineurium. B) dendrites. C) the endoneurium. D) fascicles.
As blood is pumped into the arterial trunks past the semilunar valves, it
A. pushes against the cusps, forcing the valves open. B. fills the cusps, causing them to expand and open up for the flow of blood. C. fills the cusps, causing them to expand and block the backflow of blood. D. pushes against the cusps, forcing the valves closed. E. None of these answers is correct.