Acetylcholine binds to _______ receptors of the heart and causes the opening of ___ channels.
A) muscarinic,K+
B) nicotinic,K+
C) muscarinic,Na+
D) nicotinic,Na+
Correct Answer:
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Q11: Stroke volume is affected by all of
Q12: The cardiac control center of the _
Q13: Cardiac output increases as heart rate increases.
Q14: What type of receptors do norepinephrine and
Q15: Congestive heart failure occurs when the pumping
Q17: Stroke volume is increased as systemic blood
Q18: The ventricles pump an average of 50-60
Q19: Under resting conditions,all of the body's blood
Q20: Cardiac output is equal to
A)stroke volume -
Q21: Stroke volume is directly proportional to
A)preload.
B)contractility.
C)total peripheral
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