Which of the following is least related to tachydysrhythmias?
A) Sympathetic nervous system activation
B) Beta₁-adrenergic receptor activation
C) (+) Dromotropic effect
D) Vagal discharge
Correct Answer:
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Q38: Which of the following is the most
Q39: Cardiac output is determined by heart rate
Q40: What is the term that refers to
Q41: Atropine,a muscarinic blocker,
A)increases heart rate.
B)causes bradycardia.
C)is also
Q42: An increase in venous return causes an
Q44: Which of the following is an example
Q45: Venodilation
A)increases afterload.
B)decreases preload.
C)increases end-diastolic volume.
D)stretches the ventricular
Q46: A change in preload causes a change
Q47: Which of the following is least likely
Q48: Starling's law of the heart relates force
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