Night blindness is mainly caused by lack of( ).()
A: Vitamin A
B: Vitamin B1
C: Vitamin D
D: Vitamin E
A: Vitamin A
B: Vitamin B1
C: Vitamin D
D: Vitamin E
举一反三
- Scurvy is caused by the lack of ( ). A: Vitamin A B: Vitamin D C: Vitamin C D: Sex hormones
- Whicn vitamin can reduce the curative effect of levodopa() A: vitamin A B: vitamin B1 C: vitamin B2 D: vitamin B6 E: vitamin B12
- Which kind of Vitamin is destroyed in cereals or toast when cooked with baking soda. ( ) A: Vitamin B1 B: Niacin acid C: Vitamin B12 D: Vitamin C
- From the conversation, we know （） is very important for good eyesight. A: Vitamin A B: Vitamin B C: Vitamin C D: Vitamin D
- Which of the following nutritional deficiencies may delay wound healing A: Lack of thiamine. B: Lack of vitamin Ｃ. C: Lack of folate. D: Lack of vitamin Ａ.