10 Random Questions


Following paravertebral blocks of the second through fifth intercostal nerves, numbness is noted on the medial aspect of the ipsilateral arm. The most likely cause is


A rapid shallow ventilatory pattern is most energy efficient for a patient who


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

Compared with a normal child, which of the following is expected during inhalation induction in a child with a 2:1 left-to-right intracardiac shunt?

ADVANCED General Pediatric

The condition LEAST likely to be associated with sustained pain relief following a nerve block is

ADVANCED Regional & Pain

Six months after repair of a lacerated peroneal nerve, a patient has electric-shock-like pain when pressure is applied to the middle of the gastrocnemius muscle. The most appropriate initial management is

ADVANCED Regional & Pain

An obese, 35-year-old man had an episode of coughing followed by vomiting during induction of anesthesia for arthroscopy of the left knee. Intense wheezing developed bilaterally over five minutes. PaO2 is 60 mmHg, PaCO2 is 42 mmHg, and pH is 7.35. Optimal management following intubation of the trachea includes

BASIC General

Alveolar stability at varying lung volumes is maintained by

BASIC Respiratory & Critical Care

Prior to occlusion of any major pulmonary blood vessels during a thoracotomy, applying positive end-expiratory pressure to ventilation through the dependent lumen of a double-lumen tube and occluding the upper lumen of the tube will

ADVANCED Respiratory & Critical Care

A 77-year-old woman is still intubated and breathing spontaneously following a total hip replacement. The muscle relaxant has been reversed. Tidal volume is 400 ml, end-tidal carbon dioxide tension is 45 mmHg, and SpO2 is 98% at an FiO2 of 1.0. On transfer from the operating table to the gurney, heart rate increases from 65 to 100 bpm and blood pressure decreases from 130/80 to 80/50 mmHg. End-tidal carbon dioxide tension is 30 mmHg and SpO2 is 94%. The most likely diagnosis is

BASIC General