10 Random Questions


A 35-kg child requires mechanical ventilation with 100% oxygen at a tidal volume of 350 mL and a rate of 20/min during a severe asthma attack. The most likely cause of severe hypotension after initiating mechanical ventilation is

ADVANCED Respiratory & Critical Care Pediatric

During Harrington rod instrumentation for scoliosis, monitoring somatosensory evoked potentials

ADVANCED Pediatric Neuro

Four days after subarachnoid hemorrhage and surgical clipping of a cerebral aneurysm, a patient develops cerebral artery vasospasm. Appropriate treatment includes each of the following EXCEPT


Nitroprusside therapy for hypertension should be discontinued in the presence of

ADVANCED General Cardiac

An intubated patient is breathing spontaneously through the T-piece shown in Figure 1. Addition of tubing at A and B as shown in Figure 2 without an increase in minute ventilation will result in


A healthy, spontaneously breathing, supine, anesthetized patient has an arterial to end-tidal carbon dioxide tension difference of 3 mmHg. Following institution of mechanical ventilation the value increases to 12 mmHg. The most likely cause of this change is

BASIC Respiratory & Critical Care

Arterial pressure in the radial artery is 155/70 mmHg measured by a correctly calibrated catheter-transducer system. At the same time, aortic pressure is 140/75 mmHg using a high-fidelity catheter tip transducer. The most likely cause of this discrepancy is

BASIC Equipment & Physics

Nausea and vomiting in pediatric outpatients are

ADVANCED Pediatric

A 45-year-old woman with mitral stenosis is scheduled for elective mitral valve replacement. Two minutes after tracheal intubation, she develops atrial fibrillation with a ventricular response rate of 150 bpm and a decrease in blood pressure to 75/45 mmHg. Which of the following is the most appropriate first step in management?


Which of the following is characteristic of the airway in a 2-month-oId infant when compared with an adult airway?

ADVANCED Pediatric