nsufficient blood flow in the coronary arteries to the heart is common in all of these
conditions except:
Select one:
a. arteriosclerosis.
b. atherosclerosis.
c. angina pectoris.
d. arrhythmias.
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The cor
...
nsufficient blood flow in the coronary arteries to the heart is common in all of these
conditions except:
Select one:
a. arteriosclerosis.
b. atherosclerosis.
c. angina pectoris.
d. arrhythmias.
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The correct answer is: arrhythmias.
Question 2
Correct
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Identify an accurate statement about the nerve supply of the heart.
Select one:
a. The heart receives its nerve supply from only one division of the autonomic nervous
system, the sympathetic division.
b. The autonomic nervous system regulates the rate and force of the contractions of the
heart.
c. The norepinephrine released by the sympathetic nerves in the heart act on the sinoatrial
(SA) node to decrease heart rate.
d. The sympathetic nerves that innervate the heart become active when the body needs to
rest and conserve energy.
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The correct answer is: The autonomic nervous system regulates the rate and force of the
contractions of the heart.
Question 3
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During the “fight or flight” reaction, sympathetic nerves become active and release _____.
Select one:
a. serotonin
b. gamma-aminobutyric acid
c. norepinephrine
d. acetylcholine
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The correct answer is: norepinephrine
Question 4
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