25. Which of the following is a characteristic of respiratory failure? A. Inadequate oxygenation and/or ventilation B. Hypotension C. An increase in serum pH (alkalosis) D. Abnormal respiratory sounds {Ans: Inadequate oxygenation and/or ventilation}12. A 3-year-old child presents with a 2-day history of nausea and vomiting. She is alert, with no increase in respiratory effort, and is pale in color. The child's heart rate is 160/min, respiratory rate is 40/min, and blood pressure is 100/70 mm Hg. Her extremities are cool, with sluggish capillary refill. Which term best describes this child's physiologic state? A. Compensated shock B. Cardiogenic shock C. Hypotensive shock D. Obstructive shock {Ans: Compensated shock}20. A 3-month-old infant with bronchiolitis is intubated for management of respiratory failure. During transport, the infant develops bradycardia with a heart rate of 60/min, and the infant's oxygen saturation decreases to 75%. There are breath sounds on the right side, but no air entry is heard on the left side. What is the most appropriate initial intervention? A. Administer epinephrine 0.01 mg/kg IV B. Place a chest tube on the left C. Verify the endotracheal tube position D. Aggressively suction the endotracheal tube {Ans: Verify the endotracheal tube position}19.