How does hyperventilation influence the oxygen-binding affinity of hemoglobin?

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Both P50 and oxygen affinity declineBoth P50 and oxygen affinity riseP50 drops while oxygen affinity risesP50 rises and oxygen affinity fallsNo change in P50 or oxygen affinity

Explanation

Hyperventilation causes an increase in both P50 and oxygen affinity of hemoglobin, meaning hemoglobin binds oxygen less tightly, facilitating oxygen release to tissues.