10 Random Questions


In patients with reflex sympathetic dystrophy affecting the arm, which of the following findings indicates a therapeutic block?

ADVANCED Regional & Pain

The decreased duration of action of an intravenous dose of fentanyl compared with an intravenous dose of morphine is best explained by

BASIC Pharmacology & Pharmacokinetics

Which of the following is the most frequent cause of hemorrhagic diathesis after administration of 20 units of CPD-stored blood over six hours?

BASIC Transfusions & Fluids

A celiac plexus block provides effective relief of pain associated with primary cancers at each of the following locations EXCEPT the

ADVANCED Regional & Pain

A 72-year-old man has massive venous hemorrhage during a radical prostatectomy. Blood pressure decreases from 110/60 to 75/30 mmHg and central venous pressure decreases from 12 to 4 mmHg. End-expiratory carbon dioxide tension decreases from 34 to 24 mmHg during constant minute ventilation. The most appropriate next step should be to

BASIC General

Compared with labetalol for induction of hypotension, nitroprusside is associated with


Normal pregnancy is associated with a decrease in each of the following EXCEPT

ADVANCED OB

After brachial plexus block, a patient has sensation over the inner aspect of the upper arm. Block of which of the following nerves would obtund this sensation?

ADVANCED Regional & Pain

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 (serum level 20 jag/ml). The most appropriate treatment is to administer


A patient is undergoing thoracotomy in the lateral position. Five minutes after initiation of one-lung ventilation using a double-lumen tube and 100% oxygen, SpO2 decreases from 100% to 65%. Which of the following is the most appropriate initial step in management?

ADVANCED Respiratory & Critical Care General