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Questions and Answers
What percentage of glucose is metabolized anaerobically by the glycolytic pathway in the lens?
What percentage of glucose is metabolized anaerobically by the glycolytic pathway in the lens?
- 80% (correct)
- 60%
- 90%
- 95%
What is the primary function of the sorbitol pathway in the lens?
What is the primary function of the sorbitol pathway in the lens?
- Antioxidant mechanism
- Role in diabetic cataract (correct)
- Kreb's cycle
- Glycolytic pathway
What is the respiratory quotient of the lens?
What is the respiratory quotient of the lens?
- 1 (correct)
- 0.5
- 2
- 1.5
What is the term for the conversion of light energy into a nerve impulse in the visual process?
What is the term for the conversion of light energy into a nerve impulse in the visual process?
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Which enzyme is NOT involved in the preventive antioxidant mechanism of the lens?
Which enzyme is NOT involved in the preventive antioxidant mechanism of the lens?
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What is the number of ganglion cells in each eye?
What is the number of ganglion cells in each eye?
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What is the main reason for corneal transparency?
What is the main reason for corneal transparency?
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What is the source of oxygen for the cornea?
What is the source of oxygen for the cornea?
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What is the respiratory quotient of the cornea?
What is the respiratory quotient of the cornea?
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What helps maintain lens transparency?
What helps maintain lens transparency?
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What is the function of aquaporin-0 in the lens?
What is the function of aquaporin-0 in the lens?
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Which layer of the cornea is metabolically more active?
Which layer of the cornea is metabolically more active?
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