Carbon monoxide (CO) dislocates some oxygen molecules from Hb and in so doing, CO increases Hb's affinity for the remaining attached oxygen. Consider Figure 2. 90 - 90 - 80 80 70 S 70 60 60 50 50 40...

The information provided suggests that:

A. hemoglobin has more affinity to oxygen than to carbon monoxide.

B. hemoglobin has more affinity to carbon dioxide than to carbon monoxide.

C .carbon monoxide likely shifts the O2-Hb dissociation curve to the right.

D. None of the above

Extracted text: Carbon monoxide (CO) dislocates some oxygen molecules from Hb and in so doing, CO increases Hb's affinity for the remaining attached oxygen. Consider Figure 2. 90 - 90 - 80 80 70 S 70 60 60 50 50 40 40 30 30 - 20 20- 10 10- 005 015 025 035 045 005 015 025 pCO (mm Hg) pCO (mm Hg) 035 045 COHB saturation (%) PCO2 0 PCO2 79 COHD saturation (%) PCO2 15 PCO, 40 PCO2 70