In a condition known as pleurisy, there is excess fluid in the pleural space. How would you expect this to affect the process of pulmonary ventilation?
A) Ventilation would require less energy.
B) Breathing would be labored and difficult.
C) It would be easier to expand the lungs on inspiration.
D) More air would be forced out during an expiration.
E) Tidal volume would increase.

Question

Quizplus · Accepted Answer

Excess fluid in the pleural space would make it harder for the lungs to expand during inspiration, leading to labored and difficult breathing. This can also decrease tidal volume and make it harder to fully inhale and exhale. Therefore, option B is the best choice.

In a Condition Known as Pleurisy, There Is Excess Fluid