Which best defines the cardiac output?
A. the end-diastolic volume minus the end-systolic volume
B. the output of the aortic arch baroreceptors
C. the volume of blood in the arterial tree at any moment in time
D. the stroke volume divided by the heart rate
E. the product of the heart rate and the volume ejected from the ventricle during a cardiac cycle
E
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The molecule DNA contains a five-carbon sugar called
A) glucose. B) fructose. C) maltose. D) ribose. E) deoxyribose.
Damage to the ischiocavernosus muscle would have what effect?
What will be an ideal response?
The thalamus
A) forms the walls of the diencephalon around the third ventricle. B) contains centers that are involved with emotions and visceral processes. C) is the initial processing center for most motor output to the spinal cord. D) performs many voluntary functions. E) None of the answers are correct.
The first bone you identify is long and rather large. It has a rounded head, an elongated neck, and smooth condyles on its distal surface. There also are large bony projections near the neck of this bone. Based on these features, you determine that the bone in question is a
a. humerus. b. radius. c. femur. d. tibia.