You are caring for a 5-year-old boy with a 4-day history of high fever and cough. He is having increasing lethargy, grunting, and sleepiness. Now he is difficult to arouse and is unresponsive to voice commands. His oxygen saturation is 72% on room air and 89% when on a nonrebreathing oxygen mask. He has shallow respirations with a respiratory rate of 38/min. Auscultation of the lungs reveals bilateral crackles. What assessment finding is consistent with respiratory failure in this child? {Ans: Oxygen saturation}You are caring for a 12-year-old girl with acute lymphoblastic leukemia. She is responsive, but she does not feel well and appears to be flushed. Her temperature is 39°C (102.2°F), heart rate is 118/min, respiratory rate is 36/min, blood pressure is 100/40 mm Hg, and oxygen saturation is 96% on room air. Your assessment reveals mild increase in work of breathing and bounding pulses. The child is placed on 100% oxygen by nonrebreathing mask. What is the most appropriate amount to administer for the first normal saline fluid bolus? {Ans: 10 to 20 mL/kg}A 4-year-old child in cardiac arrest is brought to the emergency department by ambulance. High-quality CPR is being performed. The cardiac monitor displays