10 Random Questions


During surgery with a carbon dioxide laser, which inhaled gas mixture is LEAST likely to promote combustion of the endotracheal tube?

BASIC Equipment & Physics

Preoperative parenteral administration of vitamin K is LEAST likely to decrease a prolonged prothrombin time in a patient with


An 18-year-old woman has knee pain during arthroscopy performed with femoral and sciatic nerve blocks for repair of a torn medial meniscus. The most appropriate management is addition of which of the following nerve blocks?

ADVANCED Regional & Pain

A 78-year-old man who is scheduled for an inguinal hernia repair has a preoperative ECG showing left bundle branch block. He has had no symptoms of cardiovascular disease. This ECG finding most likely indicates

BASIC General

A 67-kg, 52-year-old man is undergoing heart transplantation. After implantation of the donor heart and discontinuation of cardiopulmonary bypass, isoproterenol is administered intravenously to maintain heart rate greater than 100 bpm. During the next 10 minutes, blood pressure decreases from 105/55 mmHg to 75/40 mmHg. Heart rate is 102 bpm and cardiac output is 5.8 L/min. The most appropriate management is administration of

ADVANCED Cardiac

During induction of anesthesia in a 70-year-old man with aortic stenosis, the blood pressure decreases from 140/ 80 to 70/45 mmHg as the cardiac rhythm changes from normal sinus at 70 bpm to junctional at 120 bpm. The most appropriate initial therapy would be

BASIC Pharmacology & Pharmacokinetics General Cardiac

Patients with acute alcohol intoxication are at increased risk for each of the following complications of general anesthesia EXCEPT

ADVANCED General

A patient is placed in the prone jackknife position for lumbar subarachnoid injection of tetracaine 10 mg in 10 ml of preservative-free sterile water. Which of the following results is most likely?

ADVANCED Regional & Pain

A 55-year-old patient with hypertrophic cardiomyopathy (IHSS) is undergoing bladder suspension with enflurane 1%, nitrous oxide 50%, and oxygen 50%. Junctional tachycardia and hypotension develop suddenly immediately after skin incision. The most appropriate management is to


Which of the following statements concerning brain stem auditory evoked responses is true?

ADVANCED Neuro