10 Random Questions


A patient is undergoing a craniotomy in the sitting position. Mean arterial pressure measures 80 mmHg from a radial artery catheter located 27 cm below the right atrium and a transducer located, zeroed, and calibrated at the level of the right atrium. The circle of Willis is 27 cm above the right atrium. Intracranial pressure is 0 cmH20 and right atrial pressure is 5 cmH20. The cerebral perfusion pressure in mmHg is


A 62-year-old patient undergoes resection of a descending thoracic aneurysm under anesthesia with morphine, nitrous oxide, oxygen, and pancuronium. In spite of normal somatosensory evoked potentials (SSEP) during the procedure, the patient has paraplegia postoperatively. The factor most likely responsible for failure to note the deficit intraoperatively is


A 65-kg man is scheduled for wrist surgery with intravenous regional anesthesia with 0.5% lidocaine 50 ml. Which of the following statements is true?

ADVANCED Regional & Pain

Which of the following is indicated by an alarm condition in the line-isolation monitor?

BASIC Equipment & Physics

A 25-year-old woman is admitted to the hospital in the early stages of labor at term. Initial hematocrit is 33%. Which of the following is the most likely cause of the hematocrit value?

ADVANCED OB

Which of the following statements best describes "screening" when blood is ordered for type and screen?


Which of the following statements concerning the check valve of the common gas outlet on an anesthesia gas machine is true?

BASIC Equipment & Physics

Hypomagnesemia is associated with

ADVANCED General Cardiac

Which of the following results in decreased mixed venous oxygen saturation?

BASIC Respiratory & Critical Care General

Anesthesia for vaginal delivery is provided by block of spinal segments