10 Random Questions


The effect of neomycin at the neuromuscular junction is

ADVANCED Pharmacology & Pharmacokinetics

Which of the following is the most likely cause of the rapid onset of local anesthesia when sodium bicarbonate is added to lidocaine?

BASIC Pharmacology & Pharmacokinetics

An atrioventricular sequential demand pacemaker is placed in a patient who has abnormal atrioventricular conduction. Each of the following statements about this situation is true EXCEPT:

ADVANCED Cardiac

When evaluating a screening test, which of the following is the most appropriate term for the proportion of patients with a disease who have a positive test result?

BASIC General

During axillary block of the brachial plexus, which nerve is most likely to be encountered if the needle is inserted through the posterior wall of the artery?

ADVANCED Regional & Pain

A 39-year-old patient with insulin-dependent diabetes mellitus receives thiopental 250 mg and succinylcholine 80 mg and is ventilated with 0.75% isoflurane in oxygen. Arterial pressure decreases abruptly from 140/100 to 80/50 mmHg while heart rate remains unchanged at 70 bpm. Failure of heart rate to increase most likely results from

ADVANCED General

Anesthesia is induced with halothane in a 3-year-old girl. Sixty seconds after administration of succinylcholine 1 mg/kg intravenously, heart rate decreases rapidly from 120 to 60 bpm. The most likely cause is

ADVANCED Pharmacology & Pharmacokinetics Pediatric

Which of the following laboratory studies is the best indicator of reversal of the effects of warfarin?

BASIC Pharmacology & Pharmacokinetics

In a patient undergoing liver transplantation, sodium bicarbonate and calcium chloride are administered immediately before reperfusion of the transplanted liver to counteract

ADVANCED General

A pulmonary artery catheter is placed in an awake patient breathing room air. Typical right ventricular and pulmonary artery pressure tracings are obtained. With the catheter balloon inflated, blood drawn from the distal port has a PaO2 of 100 mmHg, while a simultaneous radial artery sample has a PaO2 of 90 mmHg. These data indicate that the

ADVANCED Equipment & Physics Respiratory & Critical Care