Sitting Couch Since Explained for Students (Easy Guide)

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What This Question Is About

This question relates to sitting couch since and requires a structured academic response.

How to Approach This Question

Break the problem into smaller parts and analyze each logically.

Key Explanation

This topic involves sitting couch since. A strong answer should include explanation, application, and examples.

Original Question

1. You are sitting on a couch. Since you are at rest, your heart rate is 75 beats per minute, your heart’s stroke volume is 70 milliliters per heart beat and your cardiac output is 5.25 liters per minute. Suddenly a satellite crashes on the roof. Your heart rate increases to 100 beats per minute. What would your cardiac output be now? Group of answer choices None of these is right. 7700 liters per minute 110 liters per minute 7.0 liters per minute 2. A patient is given a drug that decreases stroke volume, but does not affect heart rate. If the patient’s cardiac output is initially 6.75 liters per minute, how will the drug affect cardiac output? The drug will cause the patient’s cardiac output to: Group of answer choices Decrease Remain the same Increase 3. You are jogging to class. Your heart rate is 150 beats per minute. Your heart’s stroke volume is 90 milliliters per beat. What is your cardiac output? Group of answer choices 13.5 Liters 1350 mls 6 Liters 4. If the left ventricle has damage, you might find fluid backed up in the: Group of answer choices Body Lungs 5. If plaque is laid down in the vessels, what might happen to blood pressure? Group of answer choices It increases Nothing It decreases 6. Peripheral congestion refers to someone that has: Group of answer choices Excess fluid on the lungs that limits breathing. Fluid that has leaked out of vessels because the right ventricle isn’t functioning well. Fluid that has leaked out of vessels because the left ventricle isn’t functioning well. 7. If someone comes in to a clinic complaining of shortness of breath and their blood pressure is 140/90, what is a possible diagnosis? (Choose two answers). Group of answer choices Pulmonary congestion Congestive heart failure Peripheral congestion 8. An outcome of endurance training is hypertrophy of the heart. The outcome is: Group of answer choices Tachycardia Bradycardia Decreased stroke volume Increased heart rate 9. When the heart can’t pump out enough blood to get cells/tissues the nutrients and oxygen that is needed, the diagnosis is: Group of answer choices Hypertension Congestive heart failure Bradycardia Coronary artery disease 10. Plaques form in arteries when _____________ is laid down. This causes blood pressure to _______________. Group of answer choices Sugar/increase Sugar/decrease Cholesterol/increase Cholesterol/decrease 11. Exercise affects heart rate by: Group of answer choices There is an increaesd heart rate so the same amount of blood is delivered to cells. There is an increaesd heart rate so more blood is delivered to cells. There is an decreaesd heart rate so the same amount of blood is delivered to cells. Heart rate remains the same, but stroke volume increases, so cardiac output increases. 12. How does consistent high blood pressure lead to congestive heart failure? Group of answer choices The heart muscle has to work harder to eject blood, which weakens the heart over time, leading to congestive heart failure. High blood pressure leads to decreased stroke volume, which weakens the heart over time. Cardiac output falls when there is hypertension. This leads to congestive heart failure.

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