Which statement is NOT true of the air pressures involved in breathing?
A)Intrapleural pressure is always below atmospheric pressure.
B)Atmospheric pressure is highest at sea level.
C)Intrapulmonic pressure constantly changes during breathing.
D)Enlargement of the chest cavity causes intrapulmonic pressure to increase.

Question

Quizplus · Accepted Answer

Enlargement of the chest cavity causes intrapulmonic pressure to decrease, not increase. This allows air to flow into the lungs, creating a pressure gradient between the atmosphere and the alveoli.

Which Statement Is NOT True of the Air Pressures Involved