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
Stain with parasite having Charcot-Layden crystals but no pus cells: 
Select and explain. 
A. Giardia, B. Taenia, C. E. histolytica, D. Trichomonas
C: E. histolytica
Answer: C: E. histolytica 
Explanation: Ans. is 'c' i.e., E. histolytica(Ref: Harrison, 19th/e, p. 1685; D.R. Arora, 2nd/e, p. 26, 27)* Fecal finding in amoebiasis are:I. Charcot-Leyden crystals.II. Positive test for heme.III. Paucity (lack) of neutrophils (pus cells).