10 Random Questions


A 3.3-kg neonate is brought to the operating room for repair of a left diaphragmatic hernia. A 3-mm endotracheal tube is placed to a depth of 9 cm. Initial arterial blood gas values from a right radial catheter while spontaneously breathing oxygen 50% are PaO2 82 mmHg, PaCO2 41 mmHg, pH 7.33, and base excess -5. After reduction of the hernia (during closure of the abdomen), vigorous attempts to expand the atelectatic lung are unsuccessful. The infant rapidly becomes very dusky, heart rate is 60 bpm, breath sounds are distant and squeaky bilaterally, and pulmonary compliance is decreased. Which of the following should be done first?

ADVANCED Pediatric

Which of the following statements concerning fetal hemoglobin is true?

ADVANCED Pediatric

Each of the following conditions is a complication of mediastinoscopy EXCEPT

ADVANCED General

During controlled ventilation, which of the following will cause an increase in end-tidal carbon dioxide tension with a normal waveform on the capnograph?

BASIC General

A 28-year-old woman undergoes total thyroidectomy. The left recurrent laryngeal nerve is transected during the procedure. Which of the following findings is most likely postoperatively?

BASIC General

The lungs of a 7-kg infant are being ventilated with a volume-cycled ventilator at a rate of 20/min. The anesthetic circuit has a compressible volume of 5 ml/cm H2O, and the peak inspiratory pressure is 20 cmH2O. To achieve adequate ventilation, the ventilator tidal volume should be set at

BASIC Equipment & Physics Pediatric

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

ADVANCED Cardiac

A patient has decreased lung compliance and hypoxemia after a 30-minute episode of laryngospasm following extubation. The most likely cause is

BASIC Respiratory & Critical Care General

In calculating the fluid requirements for a newborn undergoing repair of an omphalocele, the third-space loss should be replaced by

ADVANCED Pediatric

Each of the following is a complication of celiac plexus block with 0.5% lidocaine 40 ml EXCEPT

ADVANCED Regional & Pain