10 Random Questions


Which of the following findings is an early indication of cyanide toxicity?


A 60-kg, 45-year-old woman who takes digoxin for atrial fibrillation receives furosemide 40 mg and mannitol 60 g during resection of a supratentorial meningioma. After initiation of hyperventilation to decrease PaC02 from 35 to 20 mmHg, multifocal premature ventricular contractions are noted on the ECG. The most likely cause is


A 21-year-old athlete has laryngospasm following extubation after undergoing repair of an inguinal hernia during general anesthesia. Bag and mask ventilation relieves the patient's symptoms. In the PACU 15 minutes later, he has dyspnea; Sp02 is 85% at an Fl02 of .40. Which of the following is the most likely cause?


During cardiopulmonary resuscitation (CPR) in an adult, external chest compression is being performed at the rate of 90/min with 2 inches of sternal depression and a compression-relaxation ratio of 20:80. The most appropriate action is to

ADVANCED General

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

ADVANCED Pharmacology & Pharmacokinetics Pediatric

When inspired anesthetic gases are humidified


The five curves shown represent the uptake of enflurane, desflurane, halothane, isoflurane, and nitrous oxide. Which uptake curve best depicts desflurane?

BASIC Pharmacology & Pharmacokinetics

The following changes occur during posterior cervical fusion in the prone position under halothane and nitrous oxide anesthesia with mechanical ventilation: HR 78 --> 84 with frequent PVCs; BP 110/70 --> 90/50; EtCO2 4.5% --> 2.0%; EtN2 0.12% --> 4% The most appropriate next step is to

ADVANCED Neuro

The primary mechanism for pharmacologic reduction of intraoperative blood loss is


A patient who is scheduled for a gastrectomy had abnormal liver function tests for four days following a prior cholecystectomy. In your consultation note, you should

BASIC General