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The 500 ml decrease in blood volume most likely affected your cardiac output, heart rate, and stroke volume in such a way that there is no change in cardiac output, increased heart rate, decreased stroke volume.
What is cardiac output?
The method via which blood circulates throughout the body, particularly supplying the brain and other vital organs with blood flow, is known as cardiac output (CO), or the volume of blood the heart pumps each minute. For instance, when exercising, the body's need for oxygen varies, and cardiac output is impacted by changes in both heart rate (HR) and stroke volume (SV). As a result, the complex mechanism that regulates cardiac output involves the autonomic nervous system, endocrine, and paracrine signaling pathways.
As mentioned in question, As part of a blood drive on campus for the American Red Cross, you and your friends have donated 500 ml of blood. You are now relaxing at the student area, waiting for A&P lab to begin. Unfortunately, even though you are feeling thirsty, you haven't bothered to buy yourself any drink. Other than a little soreness of the skin and tissue around your median cubital vein, you are feeling fine. The 500 ml decrease in blood volume most likely affected your cardiac output, heart rate, and stroke volume in such a way that there is no change in cardiac output, increased heart rate, decreased stroke volume.
Complete question
You and your pals recently gave 500 ml of blood to the American Red Cross as part of a blood drive on campus. As you wait for the A&P lab to start, you are currently unwinding in the student lounge. Sadly, despite the fact that you are thirsty, you haven't bothered to buy a drink for yourself. You feel well, save from a little discomfort of the skin and tissue surrounding your median cubital vein. How has a 500 ml drop in blood volume most likely changed your heart rate, stroke volume, and cardiac output?
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