Pregunta
Question 19 (1 point)
The S2 heart sound correlates with:
closure of the AV valves
opening of the AV valves
closure of the semilunar valves
opening of the semilunar valves
Question 20 (1 point)
Casten
Cardiac output is defined as the heart rate times the end diastolic volume.
True
False
?
| The S2 heart sound correlates with: |
| closure of the AV valves |
| opening of the AV valves |
| closure of the semilunar valves |
| opening of the semilunar valves |
| Question 20 (1 point) |
| Casten |
| Cardiac output is defined as the heart rate times the end diastolic volume. |
| True |
| False |
Ask by Barnett Davison. in the United States
Mar 30,2025
Solución de inteligencia artificial de Upstudy
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For Question 19, the answer is “closure of the semilunar valves.” For Question 20, the answer is “False.”
Solución
Question 19 asks about the S2 heart sound, which is associated with the closure of the semilunar valves (aortic and pulmonary valves). Therefore, the correct answer is “closure of the semilunar valves.”
Question 20 states that cardiac output is defined as the heart rate times the end diastolic volume. This statement is false. Cardiac output is actually defined as the heart rate times the stroke volume (the volume of blood pumped by the heart with each beat).
Question 20 states that cardiac output is defined as the heart rate times the end diastolic volume. This statement is false. Cardiac output is actually defined as the heart rate times the stroke volume (the volume of blood pumped by the heart with each beat).
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Simplifique esta solución Mind Expander
Ah, the S2 heart sound! This iconic “dub” signals the closure of the semilunar valves (the aortic and pulmonary valves) at the end of ventricular systole. All that heart-pumping action is essential for our blood to flow to the lungs and the rest of the body. It’s like Mother Nature’s very own metronome, keeping everything in rhythm!
As for cardiac output, the statement is a little off the mark! Cardiac output is actually calculated by multiplying the heart rate (beats per minute) by the stroke volume (the amount of blood pumped with each beat), not the end diastolic volume. So, it’s false! Remember that equation, and you’ll be a cardiac output pro in no time!
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