Local myogenic regulation of blood vessel diameter and thus blood flow through a vessel is an example of:
a. autonomic regulation.
b. somatic regulation.
c. autoregulation.
d. metabolic regulation.
ANS: C
The myogenic hypothesis proposes that autoregulation originates in vascular smooth muscle, pre-sumably of the arterioles, as a response to changes in arterial perfusion pressure. It is not a part of autonomic, somatic, or metabolic regulation.
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