A neonate with a large ventricular septal defect is asymptomatic at birth but develops tachypnea and poor weight gain several weeks later. Why do symptoms typically worsen after the first weeks of life?

A neonate develops UTI with bacteremia. What is the most likely pathogenesis?

A neonate develops a UTI via hematogenous spread. This is most common in:

The enzyme responsible for bilirubin conjugation is: 

A neonate presents with hydrocephalus, chorioretinitis, and intracranial calcifications. This triad suggests:

Neonates are at risk for Vitamin K deficiency due to:

A preterm infant with central lines, TPN, and prolonged antibiotics develops thrombocytopenia and persistent sepsis-like symptoms despite antibacterial therapy. What is the most likely diagnosis?

A newborn is found to have elevated IgM levels shortly after birth. What does this most strongly suggest?

Hearing loss caused by hair cells or nerve damage is considered:

Which statement about “new” bronchopulmonary dysplasia is most accurate?