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
Ova in the stool is not of diagnostic significance in 
Select and explain. 
A. Stronyloides, B. Entrobius, C. Trichuris, D. Ankylostoma
A: Stronyloides
Answer: A: Stronyloides 
Explanation: Strongyloides stercoralis:A specific diagnosis is based on the finding of the typical rhabditiform larvae in a freshly passed stool. A high eosinophilia is often a feature of strongyloidiasis. In pulmonary infection examination of the sputum will demonstrate the presence of rhabditiform larvae. So ova is not diagnostic of Strongyloides stercoralis.(Ref: K.D Chatterjee13th edition, p211)