MEDICAL
LUNGS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The total volume of air that can be expelled out in one breath
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The total volume of air that can be breathed in one breath
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The total volume of oxygen in the lungs
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The total volume of the lungs
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Detailed explanation-1: -Following maximal inspiration, the volume of air that leaves the lungs during a maximal force expiration is known as the vital capacity (VC). VC is composed of the tidal volume, expiratory reserve volume (ERV), and inspiratory reserve volume (IRV).
Detailed explanation-2: -Vital capacity (VC) refers to the maximal volume of air that can be expired following maximum inspiration.
Detailed explanation-3: -(d) Vital capacity (VC) – it is the volume of air that can be inhaled and exhaled by maximum inspiration and expiration respectively and is about 4500mL.
Detailed explanation-4: -Forced vital capacity: the maximum amount of air you can forcibly exhale from your lungs after fully inhaling. It is about 80 percent of total capacity, or 4.8 liters, because some air remains in your lungs after you exhale.