10 Random Questions


During isoflurane anesthesia, a 45-year-old patient with chronic asthma has wheezing, prolonged expiration, sinus tachycardia of 120 bpm, and premature ventricular contractions. Preoperative medication included cromolyn and theophylline. The most appropriate treatment is to administer

ADVANCED General

On routine inspection of an anesthesia machine, the nitrous oxide E cylinder pressure is 360 psi. This indicates that the

BASIC Equipment & Physics

Thirty-six hours after primary repair of meningomyelocele, a term newborn has frequent periods of apnea lasting 25 seconds and associated with oxygen desaturation to 80%. The most likely explanation is

ADVANCED Pediatric

A patient with uremia is scheduled for emergency surgery. Bleeding time is 18 minutes. The most appropriate initial treatment is

BASIC General Transfusions & Fluids

A 75-year-old, 60-kg man with moderately disabling heart failure secondary to ischemic heart disease is undergoing a transurethral prostatic resection under halothane-nitrous oxide anesthesia. Resection time is 30 minutes, and fluid replacement has been lactated Ringer's solution 500 mL. Although heart rate is unchanged, the arterial pressure monitor used because of his cardiac condition has changed from A to B over the last 15 minutes. The most appropriate management is to

ADVANCED General

Which of the following is characteristic of the pharmacokinetics of alfentanil?


A 35-kg child requires mechanical ventilation with pure oxygen at a tidal volume of 350 ml and a rate of 20/min during a severe asthma attack. The most likely cause of severe hypotension after initiating mechanical ventilation is

BASIC Equipment & Physics Respiratory & Critical Care Pediatric

The second gas effect refers to

BASIC Pharmacology & Pharmacokinetics

Which of the following statements concerning myasthenia gravis is true?

ADVANCED General

The hemodynamic changes shown would most likely result from infusion of

BASIC Respiratory & Critical Care Pharmacology & Pharmacokinetics