Nutrition and malnutrition: vitamin K deficiency bleeding: practice question

A Pediatrics 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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Pediatrics · Nutrition and malnutrition: vitamin K deficiency bleeding

Sample item

An exclusively breastfed 6-week-old who did not receive vitamin K at birth presents with sudden intracranial haemorrhage. Which category of vitamin K deficiency bleeding is this?

AEarly vitamin K deficiency bleedingBClassic vitamin K deficiency bleedingCLate vitamin K deficiency bleedingDHaemophilia A

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

The answer and the reasoning

C. Late vitamin K deficiency bleeding

Vitamin K deficiency bleeding is early (under 24 hours, maternal drugs), classic (day 2 to 7) and late (2 to 12 weeks), with late disease linked to exclusive breastfeeding, cholestasis and no prophylaxis. Intracranial bleeding is the dangerous presentation of late VKDB.

Option by option

A. Early vitamin K deficiency bleeding
Early VKDB presents within 24 hours of birth.
B. Classic vitamin K deficiency bleeding
Classic VKDB occurs between days 2 and 7.
C. Late vitamin K deficiency bleeding (correct)
Correct. Onset at 2 to 12 weeks in a breastfed baby is late VKDB.
D. Haemophilia A
Haemophilia is not typically seen in a baby with normal pregnancy history and unprotected vitamin K.

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.

Questions about this Pediatrics question

What is the answer to this Pediatrics question?

The best answer is C, Late vitamin K deficiency bleeding. Vitamin K deficiency bleeding is early (under 24 hours, maternal drugs), classic (day 2 to 7) and late (2 to 12 weeks), with late disease linked to exclusive breastfeeding, cholestasis and no prophylaxis.

Why is "Early vitamin K deficiency bleeding" not the answer?

Early VKDB presents within 24 hours of birth.

Why is "Classic vitamin K deficiency bleeding" not the answer?

Classic VKDB occurs between days 2 and 7.

Why is "Haemophilia A" not the answer?

Haemophilia is not typically seen in a baby with normal pregnancy history and unprotected vitamin K.

What concept does this question test?

It tests Nutrition and malnutrition: vitamin K deficiency bleeding in Pediatrics. Intracranial bleeding is the dangerous presentation of late VKDB.

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 Nutrition and malnutrition: vitamin K deficiency bleeding?

Memorise milestones and the vaccine schedule as tables and revise them often. Then use the flashcards and the other Pediatrics 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.