10 Random Questions


A 37-year-old woman with pregnancy-induced hypertension develops oliguria two hours after cesarean delivery during epidural .anesthesia. Despite infusion of 2000 mL of crystalloid solution, urine output remains 10 mL/hr. Which of the following laboratory findings is most suggestive of acute tubular necrosis?


Which of the following must be considered during perioperative management of a patient on long-term lithium therapy?

BASIC Pharmacology & Pharmacokinetics General

A 50-year-old woman notes loss of sensation in the medial lower leg 24 hours after vaginal hysterectomy in the lithotomy position. Which of the following nerves is most likely to be injured?


In a patient taking a beta-adrenergic blocker, the drug most likely to produce atrioventricular junctional block is

BASIC Pharmacology & Pharmacokinetics

The tracing indicates that the pacemaker generator is

ADVANCED General Cardiac

The most likely explanation for the intraoperative capnographic tracing shown is


A newly developed inhalational anesthetic has a blood-gas partition coefficient of 0.2. Which of the following statements best describes this drug compared with isoflurane?

BASIC Pharmacology & Pharmacokinetics

Depression of cerebral oxygen requirements below the level required to create an isoelectric EEG can be achieved by

BASIC Neuro

A patient sustains cardiac arrest while being mechanically ventilated. Which of the following is the most likely effect on PetCO2?

BASIC Respiratory & Critical Care

A direct 5-joule shock is unsuccessful in converting ventricular fibrillation occurring after discontinuation of cardiopulmonary bypass. The most appropriate next step is to