• 2022-06-06
    Night blindness is mainly caused by lack of( ).()
    A: Vitamin A
    B: Vitamin B1
    C: Vitamin D
    D: Vitamin E
  • A

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      Which kind of Vitamin is destroyed in cereals or toast when cooked with baking soda. () A: vitamin B1 B: vitaminB6 C: vitamin B12 D: Niacin acid

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      Which vitamin belowing is destroyed in cereals or toast when cooked with baking soda.(<br/>) A: vitamin B1 B: vitaminB6 C: vitamin B12 D: Niacin acid

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      Oranges are good fruit because they contain a lot of _____. A: vitamin A B: vitamin B C: vitamin C

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      The main source of vitamin D in the human body is () A: endogenous D synthesized by skin B: vitamin D in egg yolk C: vitamin D in pig liver D: vitamin D in milk

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      The treatment sequence for tetany of vitamin D deficiency is:( ) A: control convulsion→calcium supplement→vitamin D B: calcium supplement→control convulsion→vitamin D C: vitamin D→calcium supplement control→ convulsion D: vitamin D→control convulsion→calcium supplement