Page 16 - MNUmicrobiology practical 2025

General Microbiology & Immunology (PM 401) second level Semester 4 2024/2025

6- Do not eat, drink, or chew gum in the lab. Avoid hand-to-mouth

activities such as nail biting or chewing on the end of a

pencil/pen.

7- Cell phones are not allowed in lab under any circumstances.

8- Remove any non-essential materials from your lab workspace and

keep only what you need for conducting the laboratory activity on your bench.

Store coats and backpacks where they will not be in the way.

9- Disinfect your lab space at the start and end of each lab period. To disinfect your

area wipe down the table top thoroughly with laboratory disinfectant and a paper

towel. When leaving the lab, apply disinfectants to the bench area and leave to air

dry (wet).

10- Do not ingest microorganisms. Never use your mouth to

fill pipettes. Always use pipettes aspirators

11- Do not place contaminated loops, swab, pipettes and other instruments on the
lab bench. Contaminated loops should be sterilized in Bunsen burner; pipettes

should be placed in disinfectant solutions to kill microorganisms.

General Microbiology & Immunology (PM 401) Practical note Page 5