This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
Non bile stained eggs is found in: March 2009 
Select and explain. 
A. Ancylostoma duodenale, B. Trichuris trichura, C. Ascaris lumbricoides, D. All of the above
A: Ancylostoma duodenale
Answer: A: Ancylostoma duodenale 
Explanation: Ans. A: Ancylostoma duodenale The parsites producing non bile stained eggs are 'NEHA' Necator americanus Enterobius vermicularis (Pinworm) Hymenolepis nana (Dwarf tapeworm) Ancylostoma duodenale (Hookworm)