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Questions and Answers
Which cells in the retina are responsible for vision in dim light?
In which type of light are cone cells responsible for vision?
Apart from vision, where else is retinoic acid (Vitamin A) needed?
Which of the following is a role of retinoic acid mentioned in the text?
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What is a common symptom of vitamin A deficiency in the eye mentioned in the text?
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How does vitamin A deficiency affect mucous membranes according to the text?
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What is the primary function of Vitamin E mentioned in the passage?
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What is a common cause of Vitamin E deficiency based on the text?
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Which of the following is a manifestation of Vitamin E deficiency according to the text?
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Where is Vitamin K1 primarily sourced from based on the passage?
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Study Notes
- Vitamins are essential organic compounds that are not synthesized in the human body and must be obtained through the diet to prevent various diseases.
- Vitamin A, found in both plant and animal sources, plays a crucial role in vision, hormone regulation, bone growth, immunity, and antioxidant activity.
- Deficiency in vitamin A can lead to night blindness, growth retardation, rough skin, and mucous membrane issues.
- Vitamin D, available in two forms (D2 and D3), acts as an antioxidant, prevents anemia, and has anti-sterility effects.
- Vitamin K, mainly sourced from foods like spinach and cabbage, is essential for blood clotting factor synthesis and activation, as well as for bone health.
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Description
Learn about the essential characteristics of vitamins, including their importance for health and growth, their role in preventing diseases, and their minimal requirement in the diet. Explore the dietary sources of Vitamin A and its benefits in preventing night blindness and xerophthalmia.
