The sympathetic division of the ANS reduces blood flow to which of the following?
A. The skin
B. The skeletal muscles
C. The heart
D. The lungs
E. The brain
A. The skin
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The average resting membrane potential of an axon is ________.
A. 0 mV B. ?70 mV C. +30 mV D. ?85 mV
Choose the incorrect statement regarding blood vessels.
A. Valves are found in veins but not arteries. B. Discontinuous capillaries create sinusoids. C. Smooth muscle surrounds capillaries. D. Arteries contain more muscle than veins.
An adolescent grows in height mainly because of events that occur in the ________ of the skeleton.
A. metaphyses B. epicondyles C. hematopoietic tissue D. medullary cavities E. endosteum
All of the following describe ways that blood helps maintain homeostasis, except ________.
A. limiting the spread of pathogens B. secretion of neuropeptides C. transporting nutrients D. stabilizing body fluids E. transporting carbon dioxide