Author Question: Parasympathetic innervation of the penile arteries that release ________ at their synaptic knobs ... (Read 18 times)

saraeharris · **on:** Jul 3, 2018

Parasympathetic innervation of the penile arteries that release ________ at their synaptic knobs causes the smooth muscle in the arterial walls to relax, resulting in erection.

A) proglandastin B) luteinizing hormone
C) nitric oxide D) gonadatropin-releasing hormone

Question 2

Stimulation of ________________ results in pupillary constriction, digestive gland secretion, bronchoconstriction, and reduction in heart rate and contractile force.

a. Sympathetic ganglia
b. Adrenal gland
c. Somatic nervous system
d. Parasympathetic nervous system

Sweetkitty24130 · **Reply #1 on:** Jul 3, 2018

Answer to Question 1

C

Answer to Question 2

d
Rationale: a. Results in opposite effects of those listed.
b. The adrenal gland is stimulated by the sympathetic nervous system and results in opposite effects of those listed.
c. Somatic stimulation controls voluntary muscular activity.
d. Correct,