10 Random Questions


A 2600-g neonate is to undergo surgical repair of a small gastroschisis. The infant is preoxygenated with 100% oxygen. Arterial hemoglobin desaturation is noted during laryngoscopy after a rapid-sequence induction. Which of the following is the most likely cause?

ADVANCED Pediatric

A 26-year-old woman has weakness on extension of the right knee one day after uneventful vaginal delivery under spinal anesthesia with lidocaine. The most likely cause is


Which of the following statements concerning cerebral blood flow (CBF) during anesthesia is true?


The flow-volume loop indicated by the "X" is characteristic of

BASIC Respiratory & Critical Care

You are asked to evaluate a 2000-g male infant three hours after vaginal delivery because of a respiratory rate of 50/min, pulse rate of 115 bpm, and the following arterial blood gas values while breathing room air: PaO2 64 mmHg, PaCO2 43 mmHg, and pH 7.33. His mother received meperidine 75 mg two hours before delivery. Appropriate management includes

ADVANCED Pediatric

In a patient with surgically significant aortic insufficiency, cardiac output measured by thermodilution will

ADVANCED Cardiac

Compared with an induction dose of thiopental (4 mg/kg), an induction dose of propofol (2.5 mg/kg) produces

BASIC Pharmacology & Pharmacokinetics

In an anesthetized patient being mechanically ventilated, end-expired carbon dioxide is 58 mmHg and peak inspiratory airway pressure is 15 cmH20. Ventilator settings indicate a delivered tidal volume of 800 ml, but the expiratory flowmeter shows a tidal volume of 360 ml. Which of the following is the most likely cause of this discrepancy?


A patient has tonic movements of the head and neck, nystagmus, and slurred speech after receiving metoclopramide for nausea after nitrous oxide-opioid anesthesia. The most appropriate pharmacologic treatment is

ADVANCED Pharmacology & Pharmacokinetics

The most likely explanation for the intraoperative capnographic tracing shown is