An older adult's pulmonary function studies indicate that his vital capacity is reduced and his residual volume is increased.The nurse recognizes that these test results are observed in the patient's:
A)ineffective cough reflex.
B)shallow breathing.
C)slow respiratory rate.
D)frequent respiratory infections.

Question

Quizplus · Accepted Answer

Normal aging results in the progressive loss of elastic recoil of the lung parenchyma and conducting airways as well as reduced elastic recoil of the lung and the opposing forces of the chest wall.The lung becomes less elastic as collagenic substances surrounding the alveoli and alveolar ducts stiffen and form cross-linkages that interfere with the elastic properties of the lungs.Any and all of these structural changes make it more difficult for the older person to ventilate.

An Older Adult's Pulmonary Function Studies Indicate That His Vital