During sexual arousal, an erection is caused by a dilation of arteries filling the erectile tissue of the penis. Innervation of the penile arteries is provided by which of the following nerves?
A. Genitofemoral nerves
B. Ilioinguinal nerves
C. Pelvic splanchnic nerves
D. Pudendal nerves
E. Sacral splanchnic nerves
Ans: C. Pelvic splanchnic nerves
You might also like to view...
Skeletal muscles are able to contract ________ times faster than smooth muscle
A) 40 B) 50 C) 20 D) 60
Why might someone pale when they are exposed to a cold temperature?
A. Vasodilation has occurred B. Vasoconstriction has occurred C. Purely psychological D. Dehydration of the stratum corneum E. Constriction of the dermal collagen and elastic fibers
The cervix is a portion of the
A. vagina. B. external genitalia. C. oviduct. D. uterine tube. E. uterus.
_________________ is a potent glucocorticoid that stimulates fat and protein catabolism, gluconeogenesis and the release of fatty acids into the blood.
Fill in the blank(s) with the appropriate word(s).