The heart
A) is sympathetically innervated via cardiac nerve fibers
B) is parasympathetically innervated by vagus nerve fibers
C) is innervated by the phrenic nerve
D) is innervated by only the sympathetic division of the autonomic nervous system
E) is sympathetically innervated via cardiac nerve fibers and is parasympathetically innervated by vagus nerve fibers
Correct Answer:
Verified
Q43: Which of the following decreases ESV?
A) acetylcholine
B)
Q44: Vagal influences on the heart result in
A)
Q44: Atrial flutter is characterized by a _
Q45: The aortic valve opens
A) when ventricular pressure
Q46: An insufficient AV valve
A) fails to open
Q48: The dicrotic notch on the aortic pressure
Q50: When the heart is sympathetically stimulated,
A) ESV
Q51: Cardiac output
A) is the volume of blood
Q52: If the connection between the SA node
Q53: Which factor(s) would decrease cardiac output?
A) increased
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