10 Random Questions


A 2.8-kg 8-hour-old infant undergoes laparotomy for a ruptured omphalocele. Following primary closure of the abdominal wall, arterial blood gases are PaO2 40 mmHg (FiO2 0.6), PaCO2 55 mmHg, and pH 7.1. Blood pressure is 30/20 mmHg. After increasing the FiO2, the most appropriate action would be to

ADVANCED Pediatric

Microatelectasis 48 hours after abdominal surgery is most consistently manifested by

BASIC Respiratory & Critical Care

Inhalation induction of anesthesia is more rapid in a 6-month-old infant than in an adult because infants have

ADVANCED Pharmacology & Pharmacokinetics Pediatric

Each of the following increases cardiac output EXCEPT


A blood sample is taken from a patient whose body temperature is 30°C. In which direction will the pH, PCCX, and P02 change when measured in the blood gas machine at 37°C? (pH, PCO2, PO2)


Each of the following is an adverse effect of intranasal administration of cocaine prior to nasotracheal intubation EXCEPT


A patient with end-stage renal disease has prolonged ventilatory depression after administration of morphine. The most likely cause is increased

BASIC Pharmacology & Pharmacokinetics

An 8-year-old child with chronic renal failure is scheduled for an operation to create an arteriovenous fistula. Laboratory studies include: Hemoglobin 6.5 g/dl, Blood gases (breathing air) : PaO2 97 mmHg, PaCO2 29 mmHg, pH 7.30 Sodium 129 mEq/L Potassium 5.5 mEq/L Chloride 101 mEq/L Bicarbonate 15 mEq/L. Before inducing general anesthesia, which of the following abnormalities should be corrected?

ADVANCED Respiratory & Critical Care Pediatric

The second gas effect refers to

BASIC Pharmacology & Pharmacokinetics

A child has tachypnea immediately after reintubation for intractable laryngospasm. Oxygen saturation is 78% at an FiO2 of 1.0. A radiograph of the chest taken 15 minutes later is most likely to show

ADVANCED Respiratory & Critical Care Pediatric