Question

How many times carbon monoxide has more affinity for hemoglobin when compared to oxygen?

• A. $1000$ times
• B. $200$ times
• C. $20$ times
• D. $100$ times

Answer 1

The correct option is B $200$ times

Carbon monoxide has 200 times greater affinity for hemoglobin than oxygen. This means carbon monoxide binds to hemoglobin 200 times more tightly than oxygen does.
Therefore, the correct answer is option B.