PHYSIOLOGY
PULMONARY PHYSIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Anything less then 760mmHg is considered a ____
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positive pressure
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negative pressure
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optimal pressure
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low pressure
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Explanation:
Detailed explanation-1: -Absolute pressure is measured relative to absolute zero on the pressure scale, which is a perfect vacuum. (Absolute pressure can never be negative.)
Detailed explanation-2: -Note that the lowest negative gauge pressure that could be measured is-14.7 psi, because at that point, we have reached a total vacuum at zero absolute pressure and can go no lower.
There is 1 question to complete.