Want this question answered?
Yes, you should always be sterile before performing any experiment as to not add any variables.
Before so everything stays consistent and after so you're not all germy and stuff. :D
Wash your hands
It is very important to wash ones hands before and after assisting clients in a dementia care home for a couple of reasons. One of them is to avoid passing disease along to compromised elderly patients.
You must wash your hands after an experiment so you don't contaminate yourself with anything harmful.
wash the pH probe with distilled water and then dry it clean with tissue paper before and after testing the pH.
Very important. If you have long hair, tie it back. Always wash you hands before starting, and wash them frequently while cooking. If you scratch an itch, you should wash your hands again. Your hands touch everything and there are lots of germs and bacteria everywhere, so wash your hands frequently with soap and hot water!
Avoid contact with eye and mouth as bacteria can get into your body. Use lab gloves if possible and wash hands properly before and after the experiment.
You wash your hands and wash the equitment.
Here are some important things:Wash hands before and after handling food.Make sure that raw meat does not come into contact with vegetables/fruits.Always wash vegetables/fruits before eating.
You might die if you won't wash your hands before you eat. In the past many people got sick and died because they just didn't wash their hands.
Health is Wealth Maintain Hygiene, it will maintain your health ;-)