Oral medicine and oral cancer: lip cancer: practice question

A Dentistry 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.

Try it

Dentistry · Oral medicine and oral cancer: lip cancer

Sample item

A 62-year-old farmer has a non-healing crusted ulcer on the vermilion of the centre of the lower lip. Which nodal group is the first echelon of lymphatic drainage from this site?

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

The answer and the reasoning

D. Submental nodes

The central lower lip drains to the submental nodes, whereas the lateral lip drains to the submandibular nodes. Lip carcinoma is linked to sun exposure and tobacco.

Option by option

  • A. Occipital nodes

    Occipital nodes drain the posterior scalp.

  • B. Preauricular nodes

    Preauricular nodes drain the temple and lateral eyelids.

  • C. Retropharyngeal nodes

    Retropharyngeal nodes drain the nasopharynx.

  • D. Submental nodes (correct)

    Correct. The central lower lip drains to the submental nodes.

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 Dentistry questions

Questions about this Dentistry question

What is the answer to this Dentistry question?

The best answer is D, Submental nodes. The central lower lip drains to the submental nodes, whereas the lateral lip drains to the submandibular nodes.

Why is "Occipital nodes" not the answer?

Occipital nodes drain the posterior scalp.

Why is "Preauricular nodes" not the answer?

Preauricular nodes drain the temple and lateral eyelids.

Why is "Retropharyngeal nodes" not the answer?

Retropharyngeal nodes drain the nasopharynx.

What concept does this question test?

It tests Oral medicine and oral cancer: lip cancer in Dentistry. Lip carcinoma is linked to sun exposure and tobacco.

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 Oral medicine and oral cancer: lip cancer?

Learn the dental formula, eruption ages and tooth structure once, as tables. Then use the flashcards and the other Dentistry 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.