Arterial systolic pressure occurs ____________________ while arterial diastolic pressure occurs_____________________
A. at the same time as closure of the semilunar valves; at the same time as closure of the atrioventricular valves
B. during the isovolumetric contraction phase of the cardiac cycle; during the isovolumetric relaxation phase of the cardiac cycle
C. at the same time as the P-wave of the electrocardiogram; at the same time as the T-wave of the electrocardiogram
D. when the the ventricle reaches end-systolic volume; when the ventricle reaches end-diastolic volume
E. during the middle of the phase of ventricular ejection; just before the semilunar valve opens
E
You might also like to view...
Which organ removes most of the worn-out red blood cells from the circulation?
a. bone marrow b. kidney c. large intestine d. pancreas e. spleen
Which of the bones of the skull would you most associate with hearing and balance?
A) the occipital bone B) the zygomatic bone C) the temporal bone D) the parietal bone
It is impossible for sperm to be functional (able to fertilize the egg) until after ________
A) the tail disappears B) they have been stored in the uterus for several days C) they become spermatids D) they undergo capacitation
The covering of the lungs is the ________, and they are located in the ________ cavities.
A. parietal pleura; peritoneal B. visceral pleura; peritoneal C. visceral pleura; pleural D. parietal pleura; pleural