What is age-related vision change caused by the loss of elasticity of the lens called?
Blepharitis
Nearsightedness
Cataracts
Presbyopia
The Correct Answer is D
A. Blepharitis is an inflammation of the eyelid margins, not related to lens elasticity.
B. Nearsightedness (myopia) is difficulty seeing distant objects, not typically age-related.
C. Cataracts involve clouding of the lens, not the loss of elasticity.
D. Presbyopia is the age-related loss of lens elasticity, resulting in difficulty focusing on close objects.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Skeletal x-ray: Skeletal x-rays can show bone loss but are not sensitive enough for early detection of osteoporosis.
B. Calcium blood level: Blood calcium levels do not directly indicate bone density.
C. Bone density scan: Bone density scans (DEXA scans) are the gold standard for diagnosing osteoporosis and assessing fracture risk.
D. CAT scan: CAT scans are not typically used for assessing bone density.
Correct Answer is C
Explanation
A. Physical activity. Physical activity levels generally decline with age due to factors like reduced mobility, health issues, and decreased energy levels.
B. Cognition. Cognitive function can decline with age, particularly in areas such as memory, processing speed, and executive function.
C. Sexuality. While sexual function may change with age, interest in and desire for sexual activity can remain relatively stable. Sexuality is often minimally affected compared to other areas like physical activity and cognition.
D. Productivity. Productivity may decline with age due to retirement, physical limitations, or health issues, although it can vary greatly among individuals.
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