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Question 9635
NEET Biology · Hard

Body Fluids and Circulation: Rh MCQ

Solve this quality-checked NEET multiple-choice question, then review the correct answer and explanation.

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RhHardQuestion 9635

Question

If an Rh-negative mother carries an Rh-positive foetus for the first time, severe effect is often absent in first pregnancy mainly because:

  1. A
    Maternal anti-Rh antibodies usually develop after initial exposure
    Correct
  2. B
    The foetus has no RBCs
  3. C
    The placenta always mixes blood completely
  4. D
    Rh antigen is absent from foetus

Correct answer

Maternal anti-Rh antibodies usually develop after initial exposure

Explanation

Sensitization usually occurs after exposure during or near the first delivery.

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