Image Based Question-65785

All are true about the trophozoite shown in the picture below except?

A. Cyst are 8 nucleated.

B. Cyst are 4 nucleated.

C. Trophozoites colonise in the colon.

D. All of the above.

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Correct Answer » A Explanation

Cyst of E. histolytica is quadrinucleate (4 nuclei)

• Chromatid bodies do not stain with iodine but are seen as refractile oblong bars with rounded ends in preprations with normal saline and as black when stained with iron-haematoxylin.

• Trophozoites colonize cecum and ascending colon, sigmoid colon, rectum and appendix in order of frequency.