In which situation would the stroke volume be the greatest?
A) when venous return is decreased
B) when venous return is increased
C) when calcium channel blockers are present
D) when the difference between the end-diastolic volume and the end-systolic volume is small
E) when the force of contraction is decreased
B) when venous return is increased
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Which of the following blood vessels receives blood directly from the right ventricle?
A. Inferior vena cava B. Right pulmonary vein C. Pulmonary trunk D. Superior vena cava E. Ascending aorta
There are 14 thoracic vertebrae
a. True b. False Indicate whether the statement is true or false
Functions of the accessory glands of the male reproductive system include all of the following except
A) producing spermatozoa. B) meeting the nutrient needs of spermatozoa for motility. C) propelling spermatozoa and fluids along the reproductive tract. D) producing buffers. E) activating the spermatozoa.
One of the nutrients important for the synthesis of DNA and RNA is ________.
A. biotin B. vitamin C C. folic acid D. riboflavin