10 Random Questions


A 5-year-old boy is to undergo microlaryngeal carbon dioxide laser vaporization of laryngotracheal papillomas under halothane administered through a small polyvinylchloride (PVC) endotracheal tube. The diluent gas mixture LEAST likely to support laser combustion of the PVC tube is

ADVANCED Equipment & Physics Pediatric

Which of the following provides the earliest indication of myocardial ischemia during general anesthesia?


To measure the contribution of intrapulmonary shunting to arterial hypoxemia, which of the following measurements are necessary? (Assume normal cardiac output and anatomy.)


The five curves shown represent the uptake of enflurane, desflurane, halothane, isoflurane, and nitrous oxide. Which uptake curve best depicts desflurane?

BASIC Pharmacology & Pharmacokinetics

A 57-year-old man with hepatocellular disease is scheduled to undergo a colectomy for colon cancer. Preoperative laboratory studies show a plasma albumin concentration of 2.4 g/dl (normal = 3.5 to 5.5 g/dl); prothrombin time is 16 sec (control 12 sec). Which of the following statements concerning the anesthetic management of this patient is true?

BASIC General

Ten minutes after induction of anesthesia with thiopental and isoflurane but before incision, a patient's nasopharyngeal temperature has decreased to 35.4°C. Which of the following contributed most to this decrease in temperature?

BASIC General

Which of the following is most responsible for the duration of action of local anesthetics?

BASIC Pharmacology & Pharmacokinetics Regional & Pain

When compared with a healthy 30-year-old man, which of the following respiratory parameters is decreased in an otherwise healthy 80-year-old man?

BASIC Respiratory & Critical Care

Awakening after a single dose of thiopental is caused by redistribution from the brain primarily to which of the following sites?

BASIC Pharmacology & Pharmacokinetics

A 24-year-old man is undergoing induction of general anesthesia prior to appendectomy. During laryngoscopy, he regurgitates a large amount of bilious material. An endotracheal tube is inserted; aspiration shows bile-stained fluid. Which of the following is the most appropriate next step in management?