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Paper I — 2024 December (Supplementary) (2019 Scheme) — Qxi

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Paper I
2024 December (Supplementary) (2019 Scheme) · 100 marks · 180 min

Question

The following statements about iron kinetics is FALSE:

  • a) Ferric form of iron is better absorbed than ferrous form
  • b) Ascorbic acid increases iron absorption
  • c) Excess iron is stored as ferritin
  • d) Iron is transported with the help of transferrin
Qxi1 marksMCQs

Answer

Correct answer: a) Ferric form of iron is better absorbed than ferrous form

This statement is false — it is the reverse: the ferrous (Fe²⁺) form is better absorbed than the ferric (Fe³⁺) form, which is why ascorbic acid (a reducing agent that converts Fe³⁺ to Fe²⁺) enhances iron absorption. Excess iron is indeed stored as ferritin, and iron is transported in plasma bound to transferrin — both correct statements.

  1. 1Pharmacokinetics

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