Parents bring their 7-month-old infant to the clinic for eva…

Parents bring their 7-month-old infant to the clinic for evaluation. The parents tell the nurse that after breastfeeding, they have noticed some white patches on the infant’s tongue that look like curdled milk. The nurse suspects oral candidiasis (thrush). Which question best helps the nurse to confirm this suspicion?

A pediatric nurse is caring for a 3-year-old child diagnosed…

A pediatric nurse is caring for a 3-year-old child diagnosed with obstructive uropathy. The child presents with abdominal pain, urinary tract infections, and a palpable mass on physical examination. Which of the following diagnostic tests is most appropriate for confirming the diagnosis of obstructive uropathy in this child?