10 Random Questions


A 50-year-old patient is undergoing craniotomy for clipping of a cerebral aneurysm with isoflurane, nitrous oxide, and fentanyl anesthesia. At the time of aneurysm exposure, the EEG shows burst suppression. Which of the following is the most likely cause?

ADVANCED Neuro

During craniotomy in the sitting position, end-tidal carbon dioxide tension suddenly decreases. Ventilatory excursion of the chest is normal. Further evaluation is most likely to show a decrease in

ADVANCED Respiratory & Critical Care Neuro

A patient who is scheduled for a gastrectomy had abnormal liver function tests for four days following a prior cholecystectomy. In your consultation note, you should

BASIC General

Each of the following would slow induction with a volatile anesthetic agent EXCEPT


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

The ECG strip shown is recorded as a patient with a permanent transvenous DDD pacemaker enters the operating room. These changes indicate that the pacemaker is

BASIC General Cardiac

A 68-year-old patient is undergoing total hip replacement during general anesthesia using positive pressure ventilation and neuromuscular blockade. Intraoperative monitoring shows a gradual decrease in end-tidal CO2, an increase in exhaled tidal volume, and an increase in measured FiO2. Which of the following is the most likely cause of these changes?

BASIC Equipment & Physics

Which of the following best reflects findings of inadequate cerebral perfusion during carotid cross clamping?

ADVANCED Neuro

Which of the following is the strongest indication for one-lung ventilation?


You see a flash of fire from the endotracheal tube of a patient undergoing carbon dioxide laser excision of laryngeal polyps. The immediate response should be to