XX. TRUE or FALSE: The \"first\" heart sound is produced when the atrioventricul

Question

XX. TRUE or FALSE: The "first" heart sound is produced when the atrioventricular valves close. XX. One can hold one's breath for a specific amount of time after one breathes normally while at rest. How long can one typically hold one's breath after one hyperventilates? A. The same amount of time as at rest. B. A longer period of time than at rest. C. A shorter period of time than at rest. XX. What apparatus used to auscultate heart and respiratory sounds? A. Spirometer. B. Sphygmomanometer. C. Stethoscope. D. Ventilator. Which term is defined as "the alternate expansion and recoil of an artery that can be palpated during systole and diastole of the heart"? A. apical B. pulse C. vital capacity. D. tidal volume

Explanation / Answer

Answer:

1) Answer:

It is true. The first heart sound produces when the atrioventricular valves are closed.

2)Answer:

One can typically holds ones breath after one hyperventilates for a longer period of time than a rest.

3)Answer:

Stethoscope is the apparatus which can be used to auscultate heart and respiratory sound.

4) Answer:

The alternate expansion and recoil of an artery that can be palpated during systole and diastole of the heart is hermed as pulse.

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