10 Random Questions


Following antagonism of a nondepolarizing muscle relaxant with neostigmine, twitch height is normal. To achieve this effect, the percentage of the acetylcholine receptor pool that must be free of muscle relaxant is

BASIC Equipment & Physics Pharmacology & Pharmacokinetics

Compared with epidural morphine, intrathecal morphine produces

ADVANCED Regional & Pain

During axillary brachial plexus anesthesia, motor block frequently precedes sensory block because of

ADVANCED Regional & Pain

Alveolar stability at varying lung volumes is maintained by

BASIC Respiratory & Critical Care

Which of the following statements best describes the decrease in functional residual capacity that accompanies the induction of general anesthesia?

BASIC Respiratory & Critical Care General

Which of the following best explains why neonates are at greater risk than adults for hypothermia during surgical procedures?

ADVANCED Pediatric

A 68-year-old woman who is receiving urokinase for deep venous thrombosis and pulmonary emboli requires emergency laparotomy for a bleeding gastric ulcer. Which of the following agents is most appropriate to reverse the effects of urokinase?

BASIC Pharmacology & Pharmacokinetics Transfusions & Fluids

Gravid uterine blood flow is

ADVANCED OB

Two days after coronary artery bypass grafting, a 62-year-old man remains sedated, tracheally intubated, and mechanically ventilated with full neuromuscular block. Over the next three hours, Pa02 decreases from 90 to 70 mmHg at an Fl02 of 0.7, peak inspiratory pressure measured proximally in the ventilatory circuit increases from 40 to 66 cmH20, and plateau pressure remains unchanged at 30 cmH20. Which of the following is the most likely cause of these changes?


The short clinical duration of action of a single dose of fentanyl is a result of its

BASIC Pharmacology & Pharmacokinetics