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Question 1
ReplyDelete1 / 1 pts
Which of the following is the definition of cardiac output?
the amount of blood pumped by the heart minute by one ventricle
yes! this is cardiac output!
the amount of blood that is in the ventricles before the heart contracts
the volume of blood pumped out of the left ventricle of the heart during each systolic cardiac contraction
the volume of blood in one ventricle at the end of the systolic ejection phase immediately before diastole
Cardiac output is measured in volume per unit as either mL/min or L/min.
ReplyDeleteTwo big factors (A and B) determine the output. If you want to calculate cardiac output, you would use the formula:
Cardiac output = A x B
Which of these would represent A and B? (you should select the two correct factors). Once you figure out the right equation, don't forget to write it down in your notes!
Stroke Volume (SV)
Yes! SV is in mL/min
weight of the heart
Ca2+ influx
Heart rate (HR)
Yes! Heart rate is in beats/min
height of the person