MICROANATOMY

ENDOCRINE ORGANS AND RESPIRATORY SYSTEM

RESPIRATORY SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Tidal volume is defined as
A
amount of air inspired and expired with each normal breath during rest or exercise.
B
is the greatest amount of air that can be made to pass into and out of the lungs by the most forceful inspiration and expiration.
C
the delivery of oxygen from the lungs to the bloodstream.
D
the movement of air from outside the body into the cells within tissues.
Explanation: 

Detailed explanation-1: -Tidal volume is essentially every breath a person takes. It is one of the main determinants of minute ventilation and alveolar ventilation. Minute ventilation, also known as total ventilation, is a measurement of the amount of air that enters the lungs per minute. It is the product of respiratory rate and tidal volume.

Detailed explanation-2: -Tidal volume is the volume of each breath as measured during inspiration or expiration or averaged for the entire respiratory cycle. The value should be normalized to body weight or length. During spontaneous breathing, normal values in healthy neonates range from 5 to 10 mL/kg.

Detailed explanation-3: -Although breathing mechanics are complex, it is important to remember that air will flow from high-pressure areas to low-pressure areas. During tidal breathing, the inspiration and expiration at physiologic rest, the volume of air entering and leaving the lungs is known as the tidal volume (TV).

Detailed explanation-4: -Tidal volume (Vt or TV) is the amount of air you move through your lungs each time you inhale and exhale while you’re at rest. Tidal volume typically measures around 500 milliliters (mL) for those assigned male at birth and 400 mL for those assigned female.

Detailed explanation-5: -Answer and Explanation: The normal volume of air inspired or expired is known as tidal volume (TV). Tidal volume (TV) is defined as the normal volume of air inspired or expired with each breath.

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