10 Random Questions


A patient whose trachea is intubated develops partial airway obstruction two hours after induction of fentanyl, nitrous oxide, oxygen anesthesia. The anesthesiologist discontinues the nitrous oxide and controls ventilation, and there is gradual improvement during the next hour. No evidence of a respiratory disorder is found at the conclusion of the anesthetic. Which of the following is most likely?

BASIC Equipment & Physics

While delivering nitrous oxide 1.5 L/min, oxygen 1.5 L/min, and halothane 1%, a leak in the oxygen flowmeter will most likely be detected by the

BASIC Equipment & Physics

Which of the following drugs increases gastric pH while decreasing gastric volume?


In a patient with chronic renal failure, which of the following statements concerning muscle relaxants is true?

BASIC Pharmacology & Pharmacokinetics

With an interscalene brachial plexus block

ADVANCED Regional & Pain

A 39-year-old patient with insulin-dependent diabetes mellitus receives thiopental 250 mg and succinylcholine 80 mg and is ventilated with 0.75% isoflurane in oxygen. Arterial pressure decreases abruptly from 140/100 to 80/50 mmHg while heart rate remains unchanged at 70 bpm. Failure of heart rate to increase most likely results from

ADVANCED General

Which of the following best reflects findings of inadequate cerebral perfusion during carotid cross clamping?

ADVANCED Neuro

When treating reflex sympathetic dystrophy of an arm, which of the following is the best indicator of a successful sympathetic blockade?


A patient with moderate hypothyroidism and unstable angina requires urgent coronary artery bypass grafting. Which of the following is most appropriate before proceeding with the operation?

ADVANCED 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?