The neurotransmitter at the neuromuscular junction is
a. acetylcholine.
b. the same as the transmitter substance at parasympathetic postganglionic nerve endings.
c. the same as that released by all preganglionic fibers.
d. both (a) and (b) above.
e. all of these answers.
E
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The external elastic membrane of an artery is located:
a. between the tunica media and tunica externa (adventitia) b. within the tunica externa c. between the intima (tunica interna) and tunica media d. superficial to the tunica externa
The secretions of the bulbourethral glands neutralize traces of acidic urine in the urethra and serve as a lubricant during sexual intercourse
Indicate whether the statement is true or false
Name the fixed end or most stationary, proximal end of the muscle.
A. Origin B. Insertion
Which of the following hormones do males secrete?
A. FSH B. Testosterone C. LH D. All of the above