What is the leading cause of disability in old age?
Arthritis
Urinary tract infection
Macular degeneration
Pressure ulcers
The Correct Answer is A
A. Arthritis
Arthritis, especially osteoarthritis, is the most common cause of functional limitation and disability among older adults.
B. Urinary tract infection
While common in the elderly, UTIs are typically acute conditions and not a leading cause of long-term disability.
C. Macular degeneration
Though this affects vision and can cause impairment, it is less common than arthritis and does not affect mobility.
D. Pressure ulcers
These result from immobility, rather than causing it, and are more of a complication than a primary cause of disability.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Wrinkles
Caused by loss of collagen and elasticity, not directly by oil loss.
B. Brown spots
Caused by sun exposure and aging, unrelated to skin oil content.
C. Itching
Loss of skin oils leads to dryness, which commonly causes pruritus (itching).
D. Infection
Infection may result from skin breaks, but is not a direct result of oil loss.
Correct Answer is ["C","D"]
Explanation
A. Long-term memory
Generally stable, but not increased with age; may decline with pathology.
B. Functional ability of brain cells
Decreases with age due to neuron loss and slower neurotransmission.
C. Loss of neurons (brain cells)
There is a natural increase in the loss of brain cells with age.
D. Calcification of coronary arteries
This increases with age and contributes to cardiovascular disease risk.
E. Vital capacity
Decreases with age due to reduced lung compliance and muscle strength.
F. Conduction speed associated with synaptic transmission
Slows with age due to degenerative neural changes; it does not increase.
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