1. antibiotic use can result in reduced synthesis of: a. vitamin k. b. vitamin d. c. vitamin a. d. carotenoids. e. vitamin e.

A. vitamin K.

Explanation:

Vitamin K is a fat-soluble vitamin, which apart from being found in green vegetables, is also produced by bacteria in the intestines. Antibiotic are medicines which help fight bacterial infections by killing harmful bacteria in the body. Sometimes, taking antibiotics can kill the bacteria producing Vitamin K in the body and can then result in reduced synthesis of vitamin K.

you can show her once, and if she doesn't do it, do what i do: i take away one of her privileges until she learns. it worked for my sister but note every child is different. or you canput her on 'time out' if she doesn't learn.