What best describes the Frank-Starling law?
A) The Frank-Starling law states that the slower the heart rate,the greater the cardiac output.
B) The Frank-Starling law states that the greater the stroke volume,the greater the heart rate.
C) The Frank-Starling law states that the greater the volume of blood discharged from the heart,the greater the pressure required to discharge the blood.
D) The Frank-Starling law states that the more the ventricular muscle cells are stretched,the more forcefully they contract.
Correct Answer:
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Q62: Which of the following volumes should be
Q63: Afterload is described as:
A)the force the ventricles
Q64: What largely determines preload?
A)end-systolic volume (ESV)
B)end-diastolic volume
Q65: Inotropic agents affect:
A)contractility.
B)heart rate.
C)stroke volume.
D)depolarization.
Q66: The volume of blood pumped by each
Q68: Which hormone decreases cardiac output by decreasing
Q69: Calculate cardiac output if the heart rate
Q70: What two values are needed in order
Q71: Which wave on the electrocardiogram (ECG)corresponds with
Q72: Calculate the stroke volume (SV)if end-systolic volume
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