10 Random Questions


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

Compared with fentanyl, alfentanil is characterized by


Severe nausea and vomiting in the PACU is most effectively treated with a drug that acts as an antagonist at which of the following receptors?

BASIC Pharmacology & Pharmacokinetics

Compared with healthy persons, patients with myasthenic (Eaton-Lambert) syndrome have increased


The most likely cause of this capnographic tracing obtained just after laryngoscopy and intubation is

BASIC Equipment & Physics General

Addition of 20 cm H2O positive end-expiratory pressure to a patient receiving controlled mechanical ventilation decreases cardiac output and left ventricular function by

BASIC Cardiac

A 5-year-old child undergoes strabismus correction during spontaneous ventilation with halothane 1.5%, nitrous oxide and oxygen 50%. Intravenous atropine 0.2 mg is administered after inhalation induction. Ten minutes after incision, heart rate decreases from 110 bpm to 40 bpm. Which of the following is the most likely cause?

ADVANCED Pediatric

An 8-kg, 1-year-old child has a measured blood loss of 50 ml during the first two hours of a rectal pull-through operation. Preoperative hematocrit was 31%. Balanced saline solution 150 ml has been administered for replacement. Urine output has been 2 ml for the last hour, heart rate is 160 bpm, and blood pressure is 40/15 mmHg. The most appropriate fluid therapy is,

ADVANCED Transfusions & Fluids Pediatric

During direct intra-arterial measurement of blood pressure

BASIC Equipment & Physics

The alveolar concentrations of anesthetics increase more rapidly in children than in adults because of a greater

ADVANCED Pharmacology & Pharmacokinetics Pediatric