A 2-year-old child has an acute diarrheal illness. The child is afebrile and, with oral rehydration measures, has remained well hydrated. The parent asks what can be done to help shorten the course of this illness. What will the primary care pediatric nurse practitioner recommend?

You attend an emergency C-section delivery for suspected placental abruption. After providing tactile stimulation, and 1 minute of positive pressure ventilation, the infant cries and weans off of blow-by oxygen by 4 minutes of age. Apgar scores are 3 and 7 at 1 and 5 minutes of age. As you prepare to call the attending physician to notify her of the infant’s birth, you note that the mother is Hepatitis B surface antigen (HBsAg) positive, and Hepatitis B e-antigen (HBeAg) positive. Which of the following is the appropriate next step in this infant’s care?

An infant with trisomy 21 has a complete AV canal defect. Which finding, associated with having both of these conditions, will the primary care pediatric nurse practitioner expect?

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Standard candles, which are important for finding distances to remote galaxies, are

What is the cosmic microwave background radiation?

What fraction of the mass of the Milky Way Galaxy is in a form that astronomers have been able to see?

At an age of 380,000 years, the temperature of the universe had fallen to 3000 K, and electrons could then combine with protons to produce neutral hydrogen gas. What major transition took place in the universe at this time?

 A term male infant is admitted with respiratory distress and desaturation in late winter. Of note, his older sibling is ill at home with respiratory symptoms. The infant is supported with CPAP and supplemental oxygen. His respiratory viral panel returns positive for respiratory syncytial virus. Which of the following treatment options is the most appropriate?

Why would cosmologists expect the rate of expansion of the universe to be slowing down?