10 Random Questions


In a patient taking a beta-adrenergic blocker, the drug most likely to produce atrioventricular junctional block is

BASIC Pharmacology & Pharmacokinetics

Which of the following statements concerning fetal hemoglobin is true?

ADVANCED Pediatric

Arterial pressure in the radial artery is 155/70 mmHg measured by a correctly calibrated catheter-transducer system. At the same time, aortic pressure is 140/75 mmHg using a high-fidelity catheter tip transducer. The most likely cause of this discrepancy is

BASIC Equipment & Physics

Which of the following findings is most likely in a 3-year-old child who has a secundum-type atrial septal defect with a 2:1 left-to-right shunt?

ADVANCED Pediatric

Which of the following is most likely to occur during mediastinoscopy?


A 65-year-old man undergoes prostatectomy in the lithotomy position under spinal anesthesia using bupivacaine 12 mg. Ten hours later, he reports that his left foot is numb. Examination shows decreased pinprick sensation over the lateral dorsal aspect of the left foot; dorsiflexion is limited. Which of the following is the most likely cause?

ADVANCED Regional & Pain

A 50-year-old patient is undergoing craniotomy for clipping of a cerebral aneurysm with isoflurane, nitrous oxide, and fentanyl anesthesia. At the time of aneurysm exposure, the EEG shows burst suppression. Which of the following is the most likely cause?

ADVANCED Neuro

The laryngeal mask airway


An endobronchial Robertshaw tube is inserted for resection of a midesophageal tumor under isoflurane, oxygen, pancuronium anesthesia. Forty minutes into a planned two-hour resection, arterial blood gas values are reported as PO2 45 mmHg, PCO2 45 mmHg, and pH 7.33. Ten minutes earlier, the values were PO2 210 mmHg, PCO2, 41 mmHg, and pH 7.39. The first action should be to

ADVANCED General

The most beneficial effect of continuous positive airway pressure in a newborn with respiratory distress syndrome is

ADVANCED Pediatric