A newborn has a defect that allows abdominal contents to herniate through the umbilical ring covered by a sac. What is the diagnosis?
Answer and explanation
Correct answer: D. Omphalocele
- Step 1: Omphalocele is covered by a membrane and results from failure of gut return. Answer: Omphalocele. Why not the others: Gastroschisis has no sac and umbilical hernia occurs later.
Practise more Anatomy, Embryology and Behavioral Science.
Free questions with an explanation for every one, and full timed USMLE Step 1 mock tests.
More Anatomy, Embryology and Behavioral Science questions
- A woman has winged scapula after mastectomy. Which nerve was injured?
- A newborn fails to pass meconium, and a rectal biopsy shows absence of ganglion cells. What is the cause?
- A 22-year-old has 2 weeks of decreased sleep, grandiosity and increased goal-directed activity. What is the diagnosis?
- A 35-year-old woman with a recent loss cannot sleep and has intense sadness but still enjoys some activities. This began 3 weeks after her m…
- A 3-week-old has projectile nonbilious vomiting and an olive-shaped mass. What is the diagnosis?
- A physician tells a patient the diagnosis only after asking how much the patient wants to know. Which ethical principle is being applied?