Paper II — 2025 August (Supplementary) (2010 Scheme) — Q6

Paper II

2025 August (Supplementary) (2010 Scheme) · 40 marks · 120 min

Question

Name FOUR intestinal nematodes

Q62 marksShort Notes★✓

Answer

Four intestinal nematodes:

1. Ascaris lumbricoides — the largest intestinal nematode, causes ascariasis, soil-transmitted via egg ingestion.
2. Ancylostoma duodenale / Necator americanus (hookworm) — causes iron-deficiency anaemia via blood feeding, transmitted percutaneously.
3. Trichuris trichiura (whipworm) — causes trichuriasis, characteristic barrel-shaped eggs with polar plugs.
4. Enterobius vermicularis (pinworm) — causes perianal itching, diagnosed via perianal swab.

(Other valid example: Strongyloides stercoralis, unique autoinfective life cycle.)

Related Concepts

1. 1Ascariasis

Other Years Asked

1. 1Write briefly on the pathogenesis, clinical features and laboratory diagnosis of Ascariasis. (3+2+3)2023 July (Supplementary) (2019 Scheme)Short Essay · 8 marks
2. 2Ascaris lumbricoides.2016 February (2010 Scheme)Short Essay · 5 marks
3. 3Pathogenesis and complications of ascariasis2015 February (2010 Scheme)Short Essay · 5 marks
4. 4Ascariasis2017 August (Supplementary) (2010 Scheme)Short Note · 2 marks
5. 5Mention two important complications of ascaris lumbricoides infestation2019 July (Supplementary) (2010 Scheme)Short Note · 2 marks