For the following scenario, when is it okay or not okay to wear gloves?

Question

I'd like to know if I got these right.

Answering phone in lab...no

Extracting DNA from cells...yes

Making up a solution....yes

Retrieving glassware when you are in the middle of DNA extraction...yes

Touching a door k**b while you are about to leave..no

If I got any wrong, please tell me WHY so that I can look up more info. Thanks

Answer 1

yep, you got it

Answer 2

I think you probably got all of them right. I used to be the Chemistry teacher's aide in high school and I had to take a test similar to this.