10 Random Questions


A 75-year-old man in the PACU complains of severe pain following thoracotomy. Respiratory rate is 30/min; arterial blood gas values are PaO2 70 mmHg, PaCO2 56 mmHg, and pH 7.28 at an FiO2 of 0.6. The patient has a thoracic epidural catheter and received epidural morphine 2 mg 45 minutes earlier. Which of the following is the most appropriate immediate management?

ADVANCED Regional & Pain

Which of the following is the most likely effect of infrarenal cross clamping of the aorta without pharmacologic manipulation?

ADVANCED General

Which of the following time concentration curves would be expected in arterial blood following intravenous injection of indocyanine green dye in a 3-year-old child with a small ventricular septal defect?

ADVANCED Pediatric Cardiac

In patients with renal failure, which of the following muscle relaxants has the most prolonged elimination half-life?

BASIC Pharmacology & Pharmacokinetics

A previously healthy 28-year-old woman scheduled for laparoscopic tubal ligation becomes, agitated and refuses to undergo the procedure after being brought to the operating room. This behavior most likely resulted from preoperative administration of

ADVANCED Pharmacology & Pharmacokinetics General

Which of the following is the best method of pacing to improve cardiac output in a patient with third-degree heart block?

ADVANCED General Cardiac

Which surface area of the upper extremity is most likely to be unanesthetized by an interscalene brachial plexus block?

ADVANCED Regional & Pain

A parturient received 1000 ml of dextrose 5% in lactated Ringer's solution 20 minutes prior to delivery. Ten minutes later her blood glucose concentration is 580 mg/dl. In this situation

ADVANCED OB

Which of the following is the most likely sequela of interscalene brachial plexus block?

ADVANCED Regional & Pain

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

BASIC Equipment & Physics