The work of breathing normally requires about 3 percent of total energy expenditure.In which situation will this decrease NOT occur?
A) when elastic recoil is decreased
B) when resistance goes up
C) when the partial pressure of oxygen increases in the air
D) when ventilation is increased

Question

Quizplus · Accepted Answer

The work of breathing does not decrease when the partial pressure of oxygen increases in the air because this does not directly affect the mechanical aspects of breathing such as resistance or elastic recoil.

The Work of Breathing Normally Requires About 3 Percent of Total