Embryology: practice question

A Anatomy question in the style of the NEET PG paper. Answer it first, then read why the right option is right and why each of the others is wrong.

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Anatomy · Embryology

Sample item

What embryological structure forms the adult ligamentum arteriosum?

Original practice item, not a recalled exam question. Nothing here is recorded.

The answer and the reasoning

B. Ductus arteriosus

After birth, the ductus arteriosus closes and becomes the ligamentum arteriosum between pulmonary artery and aortic arch.

Option by option

  • A. Umbilical vein

    Umbilical vein becomes ligamentum teres.

  • B. Ductus arteriosus (correct)

    Correct: ductus arteriosus becomes ligamentum arteriosum.

  • C. Foramen ovale

    Foramen ovale becomes fossa ovalis.

  • D. Ductus venosus

    Ductus venosus becomes ligamentum venosum.

Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.

More Anatomy questions

Questions about this Anatomy question

What is the answer to this Anatomy question?

The best answer is B, Ductus arteriosus. After birth, the ductus arteriosus closes and becomes the ligamentum arteriosum between pulmonary artery and aortic arch.

Why is "Umbilical vein" not the answer?

Umbilical vein becomes ligamentum teres.

Why is "Foramen ovale" not the answer?

Foramen ovale becomes fossa ovalis.

Why is "Ductus venosus" not the answer?

Ductus venosus becomes ligamentum venosum.

What concept does this question test?

It tests Embryology in Anatomy. The correct option holds because: Correct: ductus arteriosus becomes ligamentum arteriosum.

How hard is this question?

We tag it as an application question: it asks you to use a fact on a patient or a finding. The tag is our own editorial judgement, not an official difficulty rating, so read the reason for every option, not only the answer.

How should I study Embryology?

Learn every nerve by its route, its muscles and what a lesion looks like at the bedside. That one habit answers a large share of questions. Then use the flashcards and the other Anatomy questions on this site to test what stuck.

Is this a real NEET PG question?

No. It is an original practice item (editorial status: sample, version 1). NextPrep does not publish recalled or leaked questions, and independent faculty review of this item has not been completed yet, so confirm important facts in a standard textbook.