10 Random Questions


A 50-year-old man with an 80 pack-year history of cigarette smoking has a forced expiratory volume in one second of 1.5 L and a forced vital capacity of 3.5 L. Which of the following statements concerning intraoperative anesthetic management is true?

BASIC Respiratory & Critical Care

Uterine blood flow is

ADVANCED OB

Cessation of smoking on the day prior to an operation is associated with a perioperative

BASIC Respiratory & Critical Care

Which of the following statements concerning pressure support ventilation is true?


An anesthesia machine is set to deliver oxygen 2 L/min, nitrous oxide 2 L/min, and sevoflurane. After 30 minutes of stable anesthesia, which of the following, is the most likely cause of a decrease in the oxygen analyzer reading from 50% to 30%?

BASIC Equipment & Physics

Which of the following factors is LEAST predictive of postoperative cardiac complications?

BASIC General

Prior to occlusion of any major pulmonary blood vessels during a thoracotomy, applying positive end-expiratory pressure to ventilation through the dependent lumen of a double-lumen tube and occluding the upper lumen of the tube will

ADVANCED Respiratory & Critical Care

A 34-year-old man is undergoing appendectomy during spinal anesthesia with T2 sensory blockade. Approximately 15 minutes after the injection of bupivacaine 15 mg, heart rate decreases to 34 bpm and blood pressure decreases to 70/40 mmHg. Which of the following is the most likely cause?


In a patient with severe mitral stenosis, induction of anesthesia must include avoidance of increased


A 45-year-old woman with mitral stenosis is scheduled for elective mitral valve replacement. Two minutes after tracheal intubation, she develops atrial fibrillation with a ventricular response rate of 150 bpm and a decrease in blood pressure to 75/45 mmHg. Which of the following is the most appropriate first step in management?