Cardiovascular system quiz.docx

Cardiovascular system quiz.docx - ● Question 1 ● ●...

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Question 1 1 out of 1 points Alternating venous compression and relaxation by the actions of skeletal muscles as well as venous valves serve to increase venous Selected Answer: D. return Correct Answer: D. return Question 2 1 out of 1 points Which of the following is not a change that occurs to the cardiovascular system during exercise? Selected Answer: D. constriction of blood vessels leading to active skeletal muscles Correct Answer: D. constriction of blood vessels leading to active skeletal muscles Question 3 1 out of 1 points To the best of our current knowledge, which of the following does not play a role in regulating blood pressure?
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Selecte d Answer : F. signals from the vena cava to the cardiovascular centers in the brainstem Correct Answer : F. signals from the vena cava to the cardiovascular centers in the brainstem Question 4 1 out of 1 points Stroke volume refers to the Selected Answer: A. amount of blood pumped per beat by each ventricle Correct Answer: A. amount of blood pumped per beat by each ventricle Question 5 1 out of 1 points Under normal circumstances, the physiological pacemaker of the heart is the Selected Answer: D. sinoatrial node (SA node) Correct Answer: D.
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sinoatrial node (SA node) Question 6 0 out of 1 points The arterio-venous oxygen difference (a-vO 2difference ) represents each of these except
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  • Spring '17
  • Antony Scalia
  • PULMONARY ARTERIES

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