When there is no air movement, the relationship between the intrapulmonary and atmospheric pressure is that
A) they are equal.
B) intrapulmonary pressure is greater than atmospheric.
C) atmospheric pressure is less than intrapulmonary.
D) atmospheric pressure is more than intrapulmonary.
E) intrapulmonary pressure is less than atmospheric.

Question

Quizplus · Accepted Answer

When there is no air movement, the intrapulmonary pressure (pressure inside the lungs) is equal to the atmospheric pressure (pressure outside the body). This is known as atmospheric pressure being in equilibrium with intrapulmonary pressure.

When There Is No Air Movement, the Relationship Between the Intrapulmonary