A Patient with a Head Injury Has a PO₂ of 88

question 1

Multiple Choice

A patient with a head injury has a pO₂ of 88 and a pCO₂ of 58. The nurse realizes that which physiologic process will occur in this patient?

• A) Cerebral blood vessels will constrict.
• B) Cerebral blood vessels will dilate.
• C) Blood flow to the cerebral cortex will slow.
• D) Blood will be shunted from the cerebral cortex.

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