THORAX ABDOMEN AND PELVIS

MEDICAL

LUNGS

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

Which of the following will have less compliant and will not fill with as much air (more effort to fill with air)?

A	stiffer lungs
B	floppy lungs
C	Either A or B
D	None of the above

Explanation:

Detailed explanation-1: -High compliance indicates a pliable lung (one with low elastic recoil) and can be thought of as a grocery bag – this is the case often seen in emphysema. Compliance is highest at moderate lung volumes, and much lower at volumes which are very low or very high.

Detailed explanation-2: -Normal adult lung compliance ranges from 0.1 to 0.4 L/cm H20. Compliance is measured under static conditions; that is, under conditions of no flow, in order to eliminate the factors of resistance from the equation. Using this equation, total compliance of the lung and the chest wall becomes approximately 0.2 L/cm H20.

Detailed explanation-3: -Which of the following does not occur when air enters the lungs? The diaphragm relaxes.

There is 1 question to complete.