A newborn with myelomeningocele is at increased risk for which of the following?

What screening should begin by age 1 in children with Down syndrome?

Duchenne muscular dystrophy (DMD) is caused by:  

Which is the primary organ system affected in Reye syndrome?  

A 10-year-old transgender boy has started to experience early puberty and has expressed discomfort with the physical changes occurring. The family is considering starting puberty blockers. What is the primary benefit of using puberty blockers in this child?

Which skeletal dysplasia is most commonly associated with macrocephaly, short limbs, and frontal bossing?

What is the most common mutation seen in achondroplasia?

Which congenital heart defect is most commonly associated with Down syndrome?

What is the most effective method to prevent neural tube defects?

Myelomeningocele is most commonly associated with which condition?