How should the therapist evaluate cerebral blood flow in a patient who is being mechanically ventilated for traumatic brain injury?
A. by measuring the intracranial pressure
B. by evaluating the cerebral perfusion pressure
C. by assessing central venous pressure
D. by determining the mean arterial pressure
ANS: B
A. Incorrect response: See explanation B.
B. Correct response: In addition to correcting hypoxemia, the therapist needs to implement an effective ventilatory strategy to enable the optimization of cerebral blood flow, usually measured as cerebral perfusion pressure.
C. Incorrect response: See explanation B.
D. Incorrect response: See explanation B.?
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