Vasoconstriction of blood vessels in the skin
A) is coordinated by the sympathetic nervous system
B) increases heat exchange with the environment
C) occurs when core body temperature is elevated
D) is both a and b
E) is both b and c
Correct Answer:
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Q38: Radiation and conduction are two types of
Q39: Heat can be lost directly to the
Q40: Sweating
A)causes vasodilation of the skin vessels
B)increases the
Q41: When vasodilation of the blood vessels in
Q42: Which substance decreases appetite?
A)Neuropeptide Y
B)Orexin
C)Ghrelin
D)Melanocortin
E)None of the
Q44: _ does not characterize heat exhaustion.
A)Reduced plasma
Q45: Energy cannot be created or destroyed, but
Q46: _ does not occur upon exposure to
Q47: A fever develops when
A)endogenous pyrogen released from
Q48: Which of the following activities has the
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