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

Systemic hypothermia to 30°C is accompanied by


A 2500-g, 12-hour-old infant is tracheally intubated and mechanically ventilated at a rate of 20/min with an FiO2 of 0.4 and peak inspiratory pressure of 25 cmH2O. At birth, amniotic fluid was meconium stained and Apgar scores were 2 and 7. The most recent arterial blood gas levels are PaO2, 50 mmHg, PaCO2, 55 mmHg, and pH 7.20. The most appropriate management is to

ADVANCED Pediatric

A 19-year-old woman receives a spinal anesthetic for a repeat cesarean delivery. Two days later she is afebrile but has severe occipital pain that is aggravated by sitting or standing and relieved by lying flat. Associated findings would likely include

ADVANCED OB

Each of the following conditions is associated with upregulation of the acetylcholine receptor at the neuromuscular junction EXCEPT

BASIC Pharmacology & Pharmacokinetics

Pseudocholinesterase

BASIC General

Each of the following statements concerning the activated clotting time (ACT) is true EXCEPT:

ADVANCED General Cardiac

Compared with adult hemoglobin, which of the following is a characteristic of fetal hemoglobin?

ADVANCED Pediatric

A newly developed volatile anesthetic has a MAC of 10% in oxygen for adults. Which of the following statements concerning this anesthetic is true?

BASIC Pharmacology & Pharmacokinetics

Which of the following is a sign of cyanide toxicity during nitroprusside therapy?

BASIC Pharmacology & Pharmacokinetics