10 Random Questions


During Harrington rod instrumentation for scoliosis, monitoring somatosensory evoked potentials

ADVANCED Pediatric Neuro

During ligation of a patent ductus arteriosus, a newborn infant receives a total gas flow of 5 L/min through a nonheated Jackson-Rees system. Operating room temperature is maintained at 30°C. The primary cause of a rapid decrease in rectal temperature from 36.8°C to 35°C is

ADVANCED Pediatric

A 70-year-old man who has just undergone an abdominal aortic aneurysm repair under halothane anesthesia develops hypertension, dyspnea, and cyanosis shortly after awakening in the recovery room. Administration of furosemide 20 mg intravenously improves the cyanosis within 10 minutes. This immediate effect of furosemide is best explained by

ADVANCED Pharmacology & Pharmacokinetics General

Which of the following is the most common initial manifestation of malignant hyperthermia?

BASIC General

A 26-year-old woman has headache, nausea, and photophobia 36 hours after cesarean delivery for chorioamnionitis using subarachnoid block. Temperature is 38.8°C and leukocyte count is 14,200/mm3. Which of the following is the most appropriate next step in management?

ADVANCED OB

Carbon monoxide poisoning with a carboxyhemoglobin concentration of 20% is characterized by each of the following EXCEPT

BASIC Respiratory & Critical Care

During one-lung ventilation, each of the following affects hypoxic pulmonary vasoconstriction in the nonventilated lung EXCEPT

ADVANCED Respiratory & Critical Care General

During an aortic aneurysm repair, end-tidal carbon dioxide tension decreases from 35 to 20 mmHg in three breaths. The most likely cause is


Maternal hyperventilation produces


In a patient with chronic congestive heart failure, the safest pharmacologic approach to brain swelling during a craniotomy is