12. The chemical transmitter of the parasympathetic nervous system is:
a.
Epinephrine.
b.
Norepinephrine.
c.
Acetylcholinesterase.
d.
Acetylcholine.
13. Parasympathetic stimulation of the heart results in: (more than one response
can be correct)
a.
Increased heart rate.
b.
Decreased heart rate.
c.
Increased contraction strength.
d.
Decreased contraction strength.
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MD0805
6-14