Question Detail

BIO 101 BIO 101 Past Questions Objective Question
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Question

Why is mouth pipetting strictly prohibited in all biological laboratories?
Options
A It introduces saliva amylase into clean glassware
B It risks direct ingestion and toxic or infectious inhalation
Correct Answer
C It decreases liquid transfer speed
D It invalidates the pipette graduation lines
Correct Answer

Option B is the correct answer.

Detailed Explanation

Mouth pipetting carries a high risk of accidental chemical poisoning, mucosal burns, and deadly infectious pathogen ingestion.

Hint

No hint available

Question Info

Course: BIO 101
Topic: BIO 101 Past Questions
Type: Objective
Difficulty: Not specified
Question 2443 of 2556
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