Which of the following is another paraneoplastic feature associated with neuroblastoma?

A 2-year-old child presents with a spiral fracture of the femur and inconsistent history from caregivers. What is the most concerning diagnosis?

A newborn develops bleeding from the umbilical stump and prolonged PT/INR. Which vitamin deficiency is most likely?

Which vitamin deficiency is associated with hemolytic anemia due to RBC membrane instability?

A premature infant develops hemolytic anemia due to oxidative damage of red blood cells. The most likely deficiency is:

Which pairing is correct?

A key precipitating factor for DKA in children is:

A toddler is brought in after a caregiver pulls on the child’s hand. The child now holds the arm slightly flexed and pronated and refuses to use it. Most likely diagnosis?

A child <1 year presents with RUQ abdominal mass, pallor, and no jaundice. Most likely diagnosis?

Verapamil commonly causes which gastrointestinal side effect?

Which tumor is most strongly associated with Beckwith-Wiedemann syndrome?

A child with Wilms tumor, aniridia, and intellectual disability most likely has:

Which antiarrhythmic is associated with pulmonary fibrosis and thyroid dysfunction?

A child presents with daily spiking fevers, evanescent rash, and joint pain. Most likely diagnosis?

The most common cause of positional plagiocephaly is:

A patient presents with vertical (upward) gaze palsy, light-near dissociation, and eyelid retraction. Most likely diagnosis?

Which antihypertensive is associated with lupus-like syndrome?

Which drug is used in hypertensive pregnant patients?

A child with a short neck, low posterior hairline, and limited neck mobility is most likely to have:

An infant presents with recurrent arching of the back, neck twisting, and abnormal head posturing, especially after feeds. Most likely diagnosis?