Which is the most importance Prevention of vitamin K deficiency bleeding (VKDB)? A: Oral vitamin K B: Fresh frozen plasma C: Intramuscular vitamin K after birth D: Prothrombin complex concentrates

According to preliminary clinical research, what may be caused by vitamin K deficiency?

Whicn vitamin can reduce the curative effect of levodopa() A: vitamin A B: vitamin B1 C: vitamin B2 D: vitamin B6 E: vitamin B12

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

From the conversation, we know （） is very important for good eyesight. A: Vitamin A B: Vitamin B C: Vitamin C D: Vitamin D

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

Scurvy is caused by the lack of ( ). A: Vitamin A B: Vitamin D C: Vitamin C D: Sex hormones

Which of the following is NOT a function of the large intestines? A: Absorption of water B: Absorption of nutrients C: Production of vitamin K D: Production of feces

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

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