Antenatal immunohematology: practice question

A OBG 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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OBG · Antenatal immunohematology

Sample item

What product is given to eligible Rh-negative mothers to reduce alloimmunization risk?

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

The answer and the reasoning

B. Anti-D immunoglobulin

Anti-D immunoglobulin reduces maternal sensitization to Rh-positive fetal red cells and lowers the risk of hemolytic disease in future pregnancies.

Option by option

  • A. Folic acid

    Folic acid reduces neural-tube-defect risk.

  • B. Anti-D immunoglobulin (correct)

    Correct: anti-D reduces Rh alloimmunization in eligible Rh-negative mothers.

  • C. Magnesium sulfate

    Magnesium sulfate prevents seizures in severe preeclampsia.

  • D. Oxytocin

    Oxytocin stimulates uterine contraction rather than preventing sensitization.

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 OBG questions

Questions about this OBG question

What is the answer to this OBG question?

The best answer is B, Anti-D immunoglobulin. Anti-D immunoglobulin reduces maternal sensitization to Rh-positive fetal red cells and lowers the risk of hemolytic disease in future pregnancies.

Why is "Folic acid" not the answer?

Folic acid reduces neural-tube-defect risk.

Why is "Magnesium sulfate" not the answer?

Magnesium sulfate prevents seizures in severe preeclampsia.

Why is "Oxytocin" not the answer?

Oxytocin stimulates uterine contraction rather than preventing sensitization.

What concept does this question test?

It tests Antenatal immunohematology in OBG. The correct option holds because: Correct: anti-D reduces Rh alloimmunization in eligible Rh-negative mothers.

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 Antenatal immunohematology?

Learn management algorithms as steps: PPH, eclampsia, ectopic pregnancy. Then use the flashcards and the other OBG 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.