The Nurse, Caring for an Elderly Patient, Realizes That the Patient

The nurse, caring for an elderly patient, realizes that the patient is at risk for problems related to the volume of air remaining in the lungs because of which of the following?

A) Elasticity of lungs decreases with age.
B) Older adults have a more rapid respiratory rate.
C) There is a tightening of the diaphragm with age.
D) Intercostal muscles become weaker with age.