3 Associated with the immune response, Charcot-Leyden crystals, which are believ
ID: 196034 • Letter: 3
Question
3 Associated with the immune response, Charcot-Leyden crystals, which are believed to be the breakdown products of eosinophils, are characteristically suggestive of infection with A) presence of macronucleus and micronucleus in cysts or trophozoites - Balantidium coli B) centrally located karyosome in cysts or trophozoites - Entamoeba histolytica C) intracellular deposits within red blood cells - Plasmodium species D) undulating membrane Trichomonas species E) presence of auxostyle and flagella - Giardia lambliaExplanation / Answer
Answer. Charcot Leyden crystals are hexagonal bipyramidal structures named after J. M. Charcot who first described it in 1853.
Charcot Leyden crystals are are indicative of a disease involving eosinophilic inflammation or proliferation, such as is found in allergic reactions and parasitic infections like Entamoeba histolytica.
Therefore correct answer is (B).
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