Multiple Choice
The nurse is caring for a mechanically ventilated patient with a brain injury.Arterial blood gas values indicate a PaCO2 of 60 mm Hg.The nurse understands this value to have which effect on cerebral blood flow?
A) Altered cerebral spinal fluid production and reabsorption
B) Decreased cerebral blood volume due to vessel constriction
C) Increased cerebral blood volume due to vessel dilation
D) No effect on cerebral blood flow (PaCO2 of 60 mm Hg is normal)
Correct Answer:
Verified
Correct Answer:
Verified
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