10 Random Questions


The portion of the infant airway with the smallest cross-sectional area occurs at the level of the

ADVANCED Pediatric

When used with morphine for premedication, which of the following drugs is most likely to cause sedation?

BASIC Pharmacology & Pharmacokinetics

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

During induction of anesthesia, a 56-year-old man with small bowel obstruction vomits a large quantity of undigested food particles and presumably aspirates. After instituting ventilation with pure oxygen, the most appropriate management is to

BASIC General

After the first 70 minutes of a transurethral resection of the prostate, a 70-year-old man becomes confused and has tachycardia, hypertension, and shortness of breath. Serum sodium concentration is 116 mEq/L. After informing the surgeon that the procedure should be terminated as soon as possible, the most appropriate next step would be to

ADVANCED General

During uncomplicated mask induction with halothane and 50% nitrous oxide in oxygen in a 6-month-old infant with a large ventricular septal defect and valvular pulmonic stenosis, SpO2 decreases from 85% (room air) to 60%; heart rate is 100 bpm and blood pressure is 62/40 mmHg. The most appropriate management is to

ADVANCED Pediatric Cardiac

A patient undergoes thoracotomy in the lateral decubitus position. Which of the following maneuvers is most likely to increase PaO2 during one-lung ventilation?

ADVANCED Respiratory & Critical Care General

During surgery of the forearm under axillary block, a patient has pain in the lateral aspect of the forearm and responds by flexing the elbow. The most likely cause is inadequate block of which of the following nerves?

ADVANCED Regional & Pain

A 64-year-old, 70-kg woman treated with lithium for manic-depressive psychosis is given methohexital 90 mg and succinylcholine 35 mg intravenously for electroconvulsive therapy. Ten minutes later she remains sedated and the peripheral nerve stimulator shows a decreased twitch response. The most likely explanation is

ADVANCED Pharmacology & Pharmacokinetics

A 50-year-old man who takes aspirin and nifedipine is scheduled for thoracotomy with one-lung ventilation. Which of the following is associated with the greatest risk for intraoperative hypoxemia?

ADVANCED Respiratory & Critical Care General