A 1-week-old infant develops pulmonary hypertension following repair of a congenital diaphragmatic hernia. Which of the following lab findings is MOST likely to be a contributing factor to this patient's hypertension?

A 1-week-old infant develops pulmonary hypertension following repair of a congenital diaphragmatic hernia. Which of the following lab findings is MOST likely to be a contributing factor to this patient's hypertension?

A 9-year-old girl builds a clubhouse in her backyard and hangs a sign reading 'No boys allowed.' What should the school nurse tell the parents?

Which child is at risk for developing glomerulonephritis?

Risk factors for birth brachial plexus injury include the following EXCEPT