Which factor predominantly influences the rightward shift of the oxygen dissociation curve?
ApH (Bohr effect)
B2,3-Bisphosphoglycerate (2,3-BPG)
CTemperature increase
DCarbon monoxide levels
The oxygen-hemoglobin dissociation curve is sigmoid because
ABinding of one oxygen molecule decreases the affinity of binding other O2 molecules
BOxygen affinity of Hemoglobin decreases when the pH of blood falls
CBinding of oxygen to Hemoglobin reduces the affinity of Hb for CO2
DBinding of one oxygen molecule increases the affinity of binding other O2 molecules
Which poison shows cherry red discoloration of blood but normal PaO2 on blood gas analysis?
ACyanide
BHydrogen sulfide
CCarbon monoxide
DNitrites
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