Question Detail

MIC 121 Laboratory safety and ethics in microbiology Objective Question
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Question

When performing aseptic technique, within what distance from a Bunsen burner should cultures be manipulated to ensure airborne contaminants are excluded?
Options
A Within 5–10 cm
B Within 15–20 cm
Correct Answer
C Within 25–30 cm
D The flame zone does not affect airborne contaminants
Correct Answer

Option B is the correct answer.

Detailed Explanation

Page 6, under 'Aseptic Technique', states: 'Manipulate cultures within 15–20 cm of a Bunsen burner where convection currents exclude airborne contaminants.'

Hint

Check the guidelines for 'Work in the flame zone' in the Aseptic Technique section.

Question Info

Course: MIC 121
Topic: Laboratory safety and ethics in microbiology
Type: Objective
Difficulty: Not specified
Question 568 of 984
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