NeuroAnesthesiaQuiz

Ischemic injury 70 year old patient presents with a supratentorial brain tumor and symptoms of raised intracranial pressure. Volatile anesthetics are part of your anesthetic plan. Which of the following is incorrectwith respect to their use? A. They blunt the cerebrovascular response to CO2 B. They render CBF pressure passive C. At 1 MAC, coupling is maintained D. Decreases CMRO2 while increasing cerebral blood flow

All of the following situations impair cerebral autoregulation Except: A. Higher doses of volatile anesthetic agents B. Hypercapnia C. Traumatic brain injury D. Propofol

Cerebral blood flow changes the most with which one of the following maneuvers? A. Change of PaCO2 from 40-60 mmHg B. Change of PaO2 from 120-70 mmHg C. Change in the MAC of sevoflurane from 0.5-1.5 D. Change in propofolinfusion dose from 50mcg/kg/min to 100mcg/kg/min

A 67 year old patient comes to the emergency room due to sudden onset of weakness of the left side of his body. He is being evaluated for prompt reperfusion. Which of the following would possibly be deleterious in his current situation?

• Systolic blood pressure between 140 and 180mmHg.

• PaC0 2 35-45mmHg

• Blood glucose of 160mg/dl.

• Anticonvulsant medications

The following agents decrease CBF/CMRO2 and ICP Except:

• Dexmedetomidine

• Propofol

• Etomidate

• Nitrous oxide