10 Random Questions


The EKG rhythm shown developed during cholecystectomy in a 62-year-old man who had a myocardial infarction and is taking atenolol. The drug of choice for treating this arrhythmia is

BASIC Pharmacology & Pharmacokinetics General

In the PACU after resection of an occipital astrocytoma, a patient has a urine output greater than 300 ml/hr, serum osmolality of 310 mOsm/L, and a hematocrit of 40% (equal to the preoperative value). Intraoperative blood loss was estimated to be 750 ml; furosemide and mannitol were administered during the procedure. The most appropriate next step is


Which of the following statements concerning the risk of acquiring hepatitis from a blood transfusion is true?

BASIC Transfusions & Fluids

A 20-year-old man involved in a motor vehicle accident is brought to the operating room for irrigation and debridement of open fractures of the femur and humerus. Cyanosis, decreased breath sounds on the left, increased peak airway pressure, and hypotension are noted after intubation of the trachea. The most likely cause is

BASIC Respiratory & Critical Care

Which of the following time concentration curves would be expected in arterial blood following intravenous injection of indocyanine green dye in a 3-year-old child with a small ventricular septal defect?

ADVANCED Pediatric Cardiac

Which of the following combinations of anesthetic and incorrect vaporizer results in the smallest error in delivered concentration?

BASIC Equipment & Physics

A 40-year-old woman has continuous nondermatomal burning pain of the distal foot four weeks after sustaining a metatarsal fracture. On examination, the foot is mildly swollen, tender, and cool. Which of the following statements concerning this condition is true?

ADVANCED Regional & Pain

To predict the requirement for isoflurane in milliliters of vapor per minute during closed circuit anesthesia, each of the following is necessary EXCEPT

BASIC Pharmacology & Pharmacokinetics

Compared with adults, neonatal respiratory function is characterized by

ADVANCED Pediatric

A 14-year-old girl with status asthmaticus is receiving oxygen 3 L/min through nasal prongs. Heart rate is 110 bpm. Arterial blood gas values are PaO2 90 mmHg, PaCO2 32 mmHg, and pH 7.46. If ventilation appears unchanged, which of the following is the most reliable sign of impending respiratory failure?

ADVANCED Respiratory & Critical Care Pediatric