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
Enterotest is used for diagnosis of 
Select and explain. 
A. E. histolytica, B. N. fowleri, C. T. Cruzi, D. Giardia lambia
D: Giardia lambia
Answer: D: Giardia lambia 
Explanation: Stringtest / enterotest is done in Giardia lambia in which bile stained mucus is collected for examination of Trophozoites.