10 Random Questions


A patient has a heart rate of 110 bpm one year after heart transplantation. His tachycardia is most likely the result of

ADVANCED Cardiac

The last muscle to be affected by an interscalene brachial plexus block is the

ADVANCED Regional & Pain

A 50-year-old man with alcoholism and jaundice is scheduled to undergo umbilical herniorrhaphy. An increase in which of the following best indicates impaired synthetic hepatic function?

BASIC General

During prolonged labor, a fetal scalp blood sample shows a PO2 of 21 mmHg, a PCO2 of 46 mmHg, and a pH of 7.35. These findings suggest

ADVANCED Pediatric

A 64-year-old, 87-kg woman in good general health is undergoing a right knee arthroplasty while in the supine position with general anesthesia consisting of enflurane 2% and nitrous oxide 50% in oxygen. She is breathing spontaneously through a 7-mm endotracheal tube. During the first 30 minutes of the procedure, the arterial oxygen saturation measured by pulse oximetry decreases from 98% to 92%. The most likely cause of the desaturation is

BASIC Respiratory & Critical Care General

The most important cause of hypotension that occurs normally at initiation of cardiopulmonary bypass is


In pregnant patients, which of the following is an effect of the long-term use of cocaine?

ADVANCED OB

Which of the following differentiates midazolam from diazepam administered intravenously in equipotent doses?


If administered epidurally in equipotent doses, which of the following opioids will produce analgesia over the greatest number of dermatomes?


Which of the following statements concerning anesthesia machine flowmeters is true?

BASIC Equipment & Physics