🏥 USMLE Exam Prep

A newborn is diagnosed with a congenital anomaly characterized by a sac-like protrusion on the lower back, covered by skin, which contains both meninges and neural tissue. Which of the following is the most accurate term for this condition?

A Spina bifida occulta
B Meningocele
C Myelomeningocele
D Anencephaly

✓ Correct Answer: Option C

Myelomeningocele is a severe form of spina bifida where the spinal cord and meninges protrude through an opening in the back, typically covered by skin. Meningocele involves only meninges, while spina bifida occulta is often asymptomatic bone defect.

💡 Why is C) the correct answer?

The correct answer to the question "A newborn is diagnosed with a congenital anomaly characterized by a sac-like protrusion on the lower back, covered by skin, which contains both meninges and neural tissue. Which of the following is the most accurate term for this condition?" is Option C: Myelomeningocele.

The other options — A) Spina bifida occulta, B) Meningocele, D) Anencephaly — are incorrect for this USMLE Exam Prep question. As explained above: Myelomeningocele is a severe form of spina bifida where the spinal cord and meninges protrude through an opening in the back, typically covered by skin. Meningocele involves only meninges, while spin…

📚 About This USMLE Exam Prep Practice Question

This 2-level USMLE Exam Prep question from the Step 1 – Basic Sciences topic is part of BrainForge Quiz's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.

How to use this page: Read the question above, consider all four options (A through D), then check the highlighted correct answer and explanation. For active timed practice, start a free USMLE Exam Prep practice test or use flashcards for spaced repetition review.

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