Carbon monoxide (CO) poisoning is a significant cause of mortality in the United States. Which of the following statements about CO is correct?
A) competes with CO2 for a common binding site on hemoglobin
B) competes with O2 for a common binding site on hemoglobin
C) has a lower affinity for hemoglobin than does O2
D) irreversibly binds to hemoglobin
E) is normally a perfusion-limited gas
Correct Answer:
Verified
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