If someone at sea level is given pure oxygen to breathe, it would cause the oxygen saturation of their hemoglobin
A) to increase by more than double.
B) to increase by only a tiny amount.
C) to decrease due to uncooperative binding.

Question

Quizplus · Accepted Answer

At sea level, hemoglobin is already nearly fully saturated with oxygen, so breathing pure oxygen would only slightly increase the oxygen saturation.

If Someone at Sea Level Is Given Pure Oxygen to Breathe