10 Random Questions


A previously healthy, 60-kg, 17-year-old boy is undergoing emergency surgery for a gunshot wound involving the iliac vein. Ventilation is controlled with a tidal volume of 700 ml/breath, rate of 10/min, and peak inspiratory pressure of 30 cmH2O. Body temperature is normal. The most likely cause of an end-tidal carbon dioxide partial pressure of 16 mmHg is

BASIC General

During induced hypotension for clipping of a cerebral aneurysm in a 20-degree head-up position, the arterial pressure transducer should be zero referenced at which level?


Which of the following is the primary factor regulating normal coronary blood flow?

BASIC Cardiac

Which of the following drugs is contraindicated in patients with Parkinson's disease?


Which of the following is the most reliable indicator of adequate reversal of neuromuscular block?

BASIC General

During anesthesia with nitrous oxide, oxygen, and a relaxant, the patient's lungs are being mechanically ventilated and there is a heated humidifier in the circuit. The most likely cause of an apparent increase in inspired oxygen concentration is

BASIC Equipment & Physics

Unilateral or bilateral diaphragmatic paralysis is a complication of each of the following EXCEPT

ADVANCED General

During laser microsurgery of the larynx, a rubber endotracheal tube wrapped with aluminum-foil tape starts to smolder and give off smoke. The first step is to


Which of the following statements concerning opioid dependence in anesthesiologists is true?


A 72-year-old patient who takes levodopa and carbidopa is undergoing colon resection. Metoclopramide is administered preoperatively and anesthesia is maintained with proposal, fentanyl, and nitrous oxide, with vecuronium for muscle relaxation. Fifteen minutes after reversal of muscle relaxation with neostigmine and atropine and tracheal extubation, the patient has dyspnea and muscular rigidity. Which of the following is the most likely cause?

BASIC Pharmacology & Pharmacokinetics