Part A As part of a blood drive on campus for the American Red Cross, you and your friends have just donated 500 mil of blood. You are now relaxing at the student lounge, though you are thirsty, you haver't bothered to buy yourself a drink, Other than a litte soreness of the skin and tissue around your median cubital vein, you feel fine. most likely affected your cardiac output, heart rate, and stroke volume? no change in cardiac output, increabed heart rate, decreased stroke volume no change in cardiac output, decreased heart rate, incteased stroke volume decrease in cardiac output, decreased heart rate, decreased stroke volume increase in cardiac output, increased heart rate, increased stroke volume Submit Sise Seribact
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After donating blood, your body works hard to compensate for the lost volume. While you might feel fine, your cardiac output is likely to undergo temporary changes. Your body instinctively increases your heart rate to maintain adequate blood flow to vital organs, compensating for the decrease in stroke volume (the amount of blood pumped with each heartbeat) caused by the blood donation. So in this scenario, you'd expect an increase in heart rate and decreased stroke volume without a significant change in overall cardiac output, as the body works to stabilize itself. When donating blood, staying hydrated is crucial! It's common for donors to overlook their fluid intake afterward, leading to mild dehydration, dizziness, or fatigue. To enhance your recovery after a donation, consider drinking water or electrolyte drinks and avoiding strenuous activities. This helps replenish your blood volume and supports your body's recovery process, ensuring you're back to your vibrant self in no time!