The nurse caring for mechanically ventilated clients knows that older adults are at higher risk for weaning failure. What age-related changes contribute to this? (Select all that apply.)
a. Chest wall stiffness
b. Decreased muscle strength
c. Inability to cooperate
d. Less lung elasticity
e. Poor vision and hearing
ANS: A, B, D
Age-related changes that increase the difficulty of weaning older adults from mechanical ventilation include increased stiffness of the chest wall, decreased muscle strength, and less elasticity of lung tissue. Not all older adults have an inability to cooperate or poor sensory acuity.
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