MFA Exit Exam • Set 5 Question 9 of 30
Carbon monoxide:
✓
Direct Answer
Option B: May result from fires or automobile exhaust.
Carbon monoxide is a toxic, colorless, and odorless gas commonly produced by incomplete combustion in engines or fires. Because it binds to hemoglobin more effectively than oxygen, it poses a severe, life-threatening risk of hypoxia.
All Options
A
Is not life-threatening.
B
May result from fires or automobile exhaust.
(Correct Answer)
C
Requires the administration of low concentration O2.
D
Has a very distinct odour
Detailed Explanation & Context
Carbon monoxide is a toxic, colorless, and odorless gas commonly produced by incomplete combustion in engines or fires. Because it binds to hemoglobin more effectively than oxygen, it poses a severe, life-threatening risk of hypoxia.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Medical First Aid (MFA).
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