Oxygen dissociation curve shifts right under which of the following conditions?
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a
High partial pressure of oxygen
b
Low partial pressure of carbon dioxide
c
Low temperature
d
Low pH
answer is D.
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Detailed Solution
The curve shifts right at the tissues, where the oxygen is dissociated. Low pH (high H+ concentration) favours dissociation of oxygen.In the tissues, where low pO2, high pCO2, high H+ concentration and higher temperature exist, the conditions are favourable for dissociation of oxygen from the oxyhaemoglobin.