Changes in Breathing Alter the PaCO2 Directly.

Paula CANNOT CHANGE HER BREATHING RATE in order to alter her PCO2/PO2. Arterial blood pH is the clinically relevant extracellular variable because changes in breathing alter the PaCO2directly. Ventilation and CO2

Most people can change their breathing rate involuntarily when challenged by respiratory stimuli. Paula cannot and she does not know that she cannot respond normally or that this is due to nervous system damage affecting the respiratory muscle apparatus.



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