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Questions and Answers
Which disease is associated with vitamin A deficiency?
Which disease is associated with vitamin A deficiency?
- Anemia
- Scurvy
- Rickets
- Xerophthalmia (correct)
How long may it take for signs of vitamin A deficiency to appear?
How long may it take for signs of vitamin A deficiency to appear?
- 2 years (correct)
- 6 months
- 1 month
- 1 year
What are some signs of possible vitamin A deficiency?
What are some signs of possible vitamin A deficiency?
- Fever and sore throat
- Weight gain and oily skin
- Cough and runny nose
- Night blindness and dry skin (correct)
What is a known risk factor for severe measles?
What is a known risk factor for severe measles?
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What is the effectiveness of vitamin A supplementation to treat measles in countries with adequate vitamin A intakes?
What is the effectiveness of vitamin A supplementation to treat measles in countries with adequate vitamin A intakes?
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Study Notes
Vitamin A Deficiency
- Vitamin A deficiency is associated with xerophthalmia, a disease that affects the eyes.
Development of Vitamin A Deficiency
- Signs of vitamin A deficiency may take several months to appear, as the body has a store of vitamin A that can last for some time.
Signs of Vitamin A Deficiency
- Some signs of possible vitamin A deficiency include night blindness, dry eyes, and impaired immune function.
Vitamin A and Measles
- Vitamin A deficiency is a known risk factor for severe measles.
Vitamin A Supplementation for Measles
- Vitamin A supplementation is not effective in treating measles in countries with adequate vitamin A intakes, but it has been shown to reduce mortality in countries with high rates of vitamin A deficiency.
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