Question Detail

MIC 121 LaboratorySafety andEthicsin Microbiology Objective Question

Question

Why is it important to 'Work in the flame zone' when manipulating cultures according to aseptic technique guidelines?
Options
A To sterilize the entire workspace.
B To create convection currents that exclude airborne contaminants.
Correct Answer
C To keep cultures warm and prevent growth inhibition.
D To visually confirm the sterility of instruments.
Correct Answer

Option B is the correct answer.

Detailed Explanation

Page 6 explains: 'Manipulate cultures within 15–20 cm of a Bunsen burner where convection currents exclude airborne contaminants.'

Hint

The heat from the Bunsen burner creates an upward air current, which helps to maintain a sterile working environment around the manipulation area.

Question Info