exercise 16 Flashcards
1
Q
during rest, the ventricles are expected to be
A
in systole for 40% of a cardiac cycle and diastole for the remaining 60% of the time
2
Q
during strenuous exercise, the ventricles are expected to be
A
in systole for 65% of the time and diastole for the remaining 35% of the time; less blood enters the ventricles as a result of shorter time for passive filling. EDV is greater during exercise
3
Q
an increase in sympathetic stimulation of the heart…
A
increases both heart rate and heart contractility
