10 Random Questions


A 75-year-old man is confused, restless, and disoriented two days after an aortic aneurysm repair. Serum sodium concentration is 112 mEq/L, serum osmolality is low, and urine is hypertonic. The most appropriate treatment is


One hour after induction of anesthesia for a posterior fossa craniotomy using opioid, relaxant, and nitrous oxide, the brain begins to protrude through the dura. The most effective measure to decrease intracranial pressure is to

ADVANCED Neuro

During anesthesia, the ventilation/perfusion ratios change

BASIC Respiratory & Critical Care

During laser excision of a vocal cord polyp, the tracheal tube ignites. Which of the following is the most appropriate next step?

ADVANCED Equipment & Physics General

A 62-year-old woman with obesity and type II diabetes mellitus is scheduled to undergo vitrectomy of the right eye. Five minutes after retrobulbar injection with 0.75% bupivacaine 4 ml and intravenous administration of fentanyl 50 ju-g and midazolam 1 mg, she is apneic and unresponsive. Which of the following is the most likely cause?


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

BASIC Equipment & Physics

A successful ankle block for transmetatarsal amputation of the first and second toes should include each of the following nerves EXCEPT the

ADVANCED Regional & Pain

The pin index system

BASIC Equipment & Physics

A 45-year-old man is scheduled for appendectomy under general anesthesia. He reports that for many years he has occasionally felt his heart "skip a beat." The ECG tracing shown was obtained one hour ago. Which of the following is the most appropriate next step?

BASIC General Cardiac

Which of the following statements concerning use of temperature-corrected blood gas measurement (pH-stat) during hypothermic cardiopulmonary bypass is true?

ADVANCED Cardiac