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.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Chemical imbalance: Chemical imbalances are more commonly associated with mood disorders and not specifically with organic dementia.
B. Cerebral disease: Dementia is primarily due to changes in brain structure or function, such as those seen in Alzheimer’s disease or other neurodegenerative conditions.
C. Emotional problems: Emotional problems may contribute to other mental health issues but are not the primary cause of dementia.
D. Circulatory impairment: While circulatory problems can contribute to certain types of cognitive impairment, dementia itself is directly related to cerebral disease.
Correct Answer is D
Explanation
A. Excessive exercise routine: Exercise generally helps prevent constipation by stimulating bowel movements.
B. Eating two apples a day: Apples are high in fiber and can help prevent constipation.
C. Intake of antacids several times a day: Antacids, especially those containing calcium or aluminum, can contribute to constipation.
D. Taking a laxative once a week: Taking a laxative once a week should help manage constipation rather than contribute to it, although reliance on laxatives can lead to other issues if used excessively.
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