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Questions and Answers
Which of the following is the correct definition of cardiac output?
Which of the following is the correct definition of cardiac output?
- The volume of blood pumped by the heart per minute (correct)
- The resistance of blood flow in the peripheral blood vessels
- The pressure exerted by the heart during contraction
- The force exerted by the blood against the walls of the arteries
What is the primary mechanism for controlling blood pressure by the autonomic nervous system?
What is the primary mechanism for controlling blood pressure by the autonomic nervous system?
- Stimulation of the heart rate
- Constriction or dilation of blood vessels (correct)
- Release of hormones from the adrenal glands
- Activation of the renin-angiotensin-aldosterone system
Where are mechanoreceptors and baroreceptors primarily found?
Where are mechanoreceptors and baroreceptors primarily found?
- In the kidneys
- In the brain
- In the lungs
- In the blood vessels (correct)
What is the main function of aldosterone?
What is the main function of aldosterone?
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What is the term for a state of inadequate tissue perfusion and oxygenation?
What is the term for a state of inadequate tissue perfusion and oxygenation?
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