Breathing and Exchange of GasesMedium
Question
Which of the following factors are favourable for the formation of oxyhaemoglobin in alveoli?
Options
A.Low ${pCO}_{2}$ and High $H^{+}$concentration
B.$\ Low{pCO}_{2}$ and High temperature
C.High ${pO}_{2}$ and High ${pCO}_{2}$
D.$\ High{pO}_{2}$ and Lesser $H^{+}$concentration
Solution
Sol. [Key Concept: Conditions favouring oxyhaemoglobin]
High pO₂ and a lower H⁺ concentration favour binding of oxygen to haemoglobin in the alveoli. Low pCO₂ and a relatively lower temperature also favour oxygen loading. Therefore the pair in option (4) is correct. The alternatives each include a condition that opposes oxygen loading.
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