10 Random Questions


A 16-year-old girl is receiving isoflurane, nitrous oxide, oxygen, and pancuronium for insertion of a Harrington rod. In order to perform a "wake-up test" the muscle relaxant was antagonized with neostigmine 2.5 mg and atropine 1 mg. The patient abruptly moved all extremities and was given thiopental 100 mg and succinylcholine 100 mg rapidly. Forty-five minutes later no twitch could be elicited with a nerve stimulator. The most likely explanation is

BASIC Pharmacology & Pharmacokinetics Pediatric

Hypothermia to 29°C will decrease

BASIC General

A 52-year-old man develops oliguria 24 hours after left hemicolectomy. Urinalysis shows a specific gravity of 1.028, an osmolality of 650 mOsm/L, and a sodium concentration of 10 mEq/L. Which of the following is the most likely diagnosis?


When antagonizing neuromuscular block produced by pancuronium, the combination of simultaneously administered anticholinergic and anticholinesterase drugs that is most likely to produce bradycardia is

BASIC Pharmacology & Pharmacokinetics

Compared with dopamine, dobutamine

BASIC Pharmacology & Pharmacokinetics Cardiac

A 55-year-old patient with hypertrophic cardiomyopathy (IHSS) is undergoing bladder suspension with enflurane 1%, nitrous oxide 50%, and oxygen 50%. Junctional tachycardia and hypotension develop suddenly immediately after skin incision. The most appropriate management is to


Inhibition of labor by terbutaline causes each of the following maternal side effects EXCEPT

ADVANCED Pharmacology & Pharmacokinetics OB

Which of the following is a characteristic of the Bain breathing circuit?

BASIC Equipment & Physics

A 5-year-old child undergoes strabismus correction during spontaneous ventilation with halothane 1.5%, nitrous oxide and oxygen 50%. Intravenous atropine 0.2 mg is administered after inhalation induction. Ten minutes after incision, heart rate decreases from 110 bpm to 40 bpm. Which of the following is the most likely cause?

ADVANCED Pediatric

During laser excision of a vocal cord polyp, the tracheal tube ignites. Which of the following is the most appropriate next step?

ADVANCED Equipment & Physics General