Which of the following will NOT occur as a consequence of the activation of the baroreceptor reflex that would occur in response to an increased heat load within the body?
A) an increase in venoconstriction
B) an increase in heart rate
C) a decrease in resistance within the skeletal muscle vasculature
D) an increase in stroke volume
E) an increase in resistance within the skin vasculature
Answer: E) an increase in resistance within the skin vasculature
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The receptor potential is
A. the membrane potential produced when a neurotransmitter molecule binds to its receptor. B. the membrane potential produced in the receptor cell by sensory transduction. C. the membrane potential produced by sensation. D. the electrical signal produced by perception. E. the membrane potential produced at a muscle cell.
The size of sediment particles on sandy beaches will influence the following characteristic of the beach:
a. porosity. b. oxygen content. c. food content. d. rate of water drainage. e. all of the above.
Why is a biomass and/or energy pyramid always broadest at the bottom?
What will be an ideal response?
In their studies of learning in Aplysia, the primary behavioral focus of Eric Kandel and his colleagues was on
A. feeding. B. locomotion. C. sexual behavior. D. aggression. E. the gill-withdrawal reflex.