Question 4 Which of the following is a physiological mechanism contributing to the Frank-Starling law of the heart? Increased calcium influx into cardiac muscle cells Increased potassium efflux from cardiac muscle cells Increased sodium influx into cardiac muscle cells Increased chloride efflux from cardiac muscle cells 1 pts
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Step 1: The Frank-Starling law of the heart states that the stroke volume of the heart increases in response to an increase in the volume of blood filling the heart (end-diastolic volume). Show more…
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