This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Microbiology
Duodenal aspirate is used in diagnosis of 
Select and explain. 
A. E histolytica, B. Giardia lamblia, C. Taenia solium, D. Leishmania
B: Giardia lamblia
Answer: B: Giardia lamblia 
Explanation: Duodenal aspirate is used for G lambia, o sinesis, F heptica, and S stercoralis. ref : baveja book of microbiology .