10 Random Questions


Which of the following is the most likely cause of a decrease in end-tidal carbon dioxide tension during general anesthesia with a constant minute ventilation?

BASIC Respiratory & Critical Care 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

A 70-kg 22-year-old patient with head trauma and multiple fractures of the long bones is scheduled for fixation of bilateral femoral fractures. Preoperative laboratory studies show a serum sodium concentration of 150 mEq/L, a serum potassium concentration of 3.1 mEq/L, and a urine output greater than 500 ml/hr. Which of the following agents will decrease urine output?

ADVANCED Respiratory & Critical Care

Compared with thiopental, etomidate causes

BASIC Pharmacology & Pharmacokinetics

Three hours after total thyroidectomy, a 33-year-old man develops inspiratory stridor. The most likely cause is


A 40-year-old woman has continuous nondermatomal burning pain of the distal foot four weeks after sustaining a metatarsal fracture. On examination, the foot is mildly swollen, tender, and cool. Which of the following statements concerning this condition is true?

ADVANCED Regional & Pain

Which of the following drugs is LEAST likely to cross the placenta?

ADVANCED Pharmacology & Pharmacokinetics OB

Which of the following statements concerning absorption of irrigation fluid during transurethral resection of the prostate is true?

ADVANCED General

A 66-year-old woman with essential hypertension has a preoperative blood pressure of 160/95 mmHg despite receiving the usual dose of labetalol on the morning of surgery. Following endotracheal intubation, blood pressure increases to 220/120 mmHg. Which of the following is the most likely explanation?


Each of the following drugs increases the duration of succinylcholine action EXCEPT

BASIC Pharmacology & Pharmacokinetics