This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: parasitology, Subject name: Microbiology
Habitat of hookworm is - 
Select and explain. 
A. Jejunum, B. ileum, C. Colon, D. Duodenum
A: Jejunum
Answer: A: Jejunum 
Explanation: The adult worms live in the small intestine of infected persons mostly in the jejunum,less often in the duodenum, and infrequently in the ileum Ref : panikers textbook of Medical parasitology 8th edition page 187