Multiunit smooth muscle is located in the
A. gastrocnemius.
B. wall of the GI tract.
C. wall of blood vessels.
D. wall of the heart.
E. reproductive system.
C
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These figures show a frontal view of the abdominopelvic cavities. What does number 5 indicate?
A. Right upper quadrant (RUQ) ?B. Left lower quadrant (LLQ) ?C. Right hypochondriac region ?D. Left hypochondriac region ?E. Right lower quadrant (RLQ)
Parasympathetic innervation of the penile arteries involves neurons that release ________ at their synaptic terminals.
A) nitric oxide B) dopamine C) serotonin D) acetylcholine E) norepinephrine
The strength and rate of contraction of the heart can be influenced by the autonomic nervous system
Indicate whether the statement is true or false
Which of the following would not decrease thyroid hormone production?
a. a decrease in TSH production. b. an iodine deficient diet. c. an increase in TRH production. d. inhibition of the iodine pump. e. removal of the pituitary.