The nurse is reviewing the arterial blood gas results for a patient with a respiratory disorder.What should the nurse recognize as being the most important chemical regulator of respiration?

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Carbon dioxide is usually the major regulator of respiration because even small changes in its blood level change the pH.A.Fluctuations in oxygen level have no effect on pH,and an adequate oxygen level in the blood can be maintained even if breathing ceases for a few minutes.B.Nitrogen does not control respirations.D.Hemoglobin level affects tissue oxygenation but is not the most important regulator of respiration.

The Nurse Is Reviewing the Arterial Blood Gas Results for a Patient