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Multiple Choice Questions (MCQ)

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Category: Surgery--->Physiologic Monitoring of the Surgical Patient
Page: 4

Question 16#Print Question

Currently accepted uses of transcranial Doppler (TCD) include all of the following EXCEPT:

a. Diagnosing vasospasm after subarachnoid hemorrhage
b. Estimating cerebral perfusion pressure
c. Confirming brain death after clinical examination in patients under the influence of central nervous system (CNS) depressants
d. Confirming brain death after clinical examination in patients with metabolic encephalopathy


Question 17#Print Question

Regarding jugular venous oximetry in patients with TBI:

a. It requires placement of a catheter in the jugular bulb
b. Low jugular venous oxygen saturation (Sjo2) has not been show to predict poor clinical outcomes
c. It is less invasive than placing an intraventricular monitor, but does not allow for continuous monitoring
d. It can replace ICP monitoring in patients without evidence of regional variation in cerebral blood flow


Question 18#Print Question

Monitoring local brain tissue oxygen tension (PbtO2) in patients with severe TBI:

a. Has shown that normal ICP and CPP generally precludes the presence of brain tissue ischemia
b. Has been shown to lower mortality when compared with ICP monitoring alone
c. Has not been adopted into routine clinical practice due to additional adverse effects from additional, potentially unnecessary, interventions
d. Has been shown to increase stroke rate as a complication of catheter placement




Category: Surgery--->Physiologic Monitoring of the Surgical Patient
Page: 4 of 4