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Paper II — 2022 October (Supplementary) (2010 Scheme) — Q13

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Paper II
2022 October (Supplementary) (2010 Scheme) · 40 marks · 120 min

Question

Name four parasites causing anemia.

Q132 marksShort Notes

Answer

Four parasites causing anaemia:

  1. Ancylostoma duodenale / Necator americanus (hookworm) — chronic intestinal blood loss from blood-feeding adult worms, causing iron-deficiency anaemia.
  2. Plasmodium falciparum (and other Plasmodium species) — haemolysis of parasitized RBCs and bone marrow suppression, causing haemolytic anaemia.
  3. Diphyllobothrium latum (fish tapeworm) — competes for host vitamin B12, causing megaloblastic anaemia.
  4. Trichuris trichiura (whipworm) — in heavy infection, mucosal attachment and associated chronic blood loss can contribute to iron-deficiency anaemia.

(Other valid example: Leishmania donovani — pancytopenia including anaemia, in visceral leishmaniasis, via hypersplenism and marrow suppression.)

  1. 1General Parasitology

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