PROTOZOA (Intestinal Amoeba)

Question 1

Amoebic dysentery

Answer 1

o Intraintestinal
o Extraintestinal

Question 2

(liver -> hepatic amoebiasis)

Answer 2

Extraintestinal

Question 3

Trophozoite

Answer 3

o Cytoplasm
o Nucleus

Question 4

clear, transparent, and refractile

Answer 4

Outer ectoplasm

Question 5

finely granular, having a ground glasslike appearance

Answer 5

Inner endoplasm

Question 6

contains ingested RBC

Answer 6

Endoplasm

Question 7

spherical in size and contains central karyosome, surrounded by clear halo and anchored to the nuclear membrane by fine radiating fibrils cartwheel appearance

Answer 7

Nucleus

Question 8

Cyst

Answer 8

o Chromatoidal
o Quadrinucleated

Question 9

cigar shape

Answer 9

Chromatoidal bodies

Question 10

Entamoeba histolytica trophozoite Distinguishing features

Answer 10

 Uninucleated
 Clear cytoplasm (fine granules)
 Bull’s eye karyosome
 Finger-like pseudopodia
 Rapid unidirectional progressive motility
 With ingested RBC

Question 11

Differs in DNA and RNA content

Answer 11

Entamoeba dispar

Question 12

Amoeba of pigs, Cyst is uninucleated

Answer 12

Entamoeba polecki

Question 13

Small-reace of amoeba

Answer 13

Entamoeba hartmanni

Question 14

Closest to E. histolytica in terms of size

Answer 14

E. hartmanni

Question 15

Closest to E. histolytica in terms of overall appearance including genetic materials

Answer 15

E. dispar

Question 16

Size (um) 12-60

Answer 16

E. histolytica (TROPHOZOITE)

Question 17

Size (um) 20-50

Answer 17

E. coli (TROPHOZOITE)

Question 18

Motility of E. histolytica trophozoite

Answer 18

Unidirectional / Progressive

Question 19

Motility of E. coli trophozoite

Answer 19

Sluggish non directional

Question 20

Pseudopodia of E. histolytica trophozoite

Answer 20

Long and finger like

Question 21

Pseudopodia of E. coli trophozoite

Answer 21

Blunt and rounded

Question 22

Cytoplasm of E. histolytica trophozoite

Answer 22

Ground glass appearance

Question 23

Cytoplasm of E. coli trophozoite

Answer 23

Trashy

Question 24

Inclusion of E. histolytica trophozoite

Answer 24

RBC

Question 25

Inclusion of E. coli trophozoite

Answer 25

Bacteria and debris

Question 26

Nucleus of E. histolytica trophozoite

Answer 26

Central but indistinct

Question 27

Nucleus of E. coli trophozoite

Answer 27

Eccentric

Question 28

Karyosome of E. histolytica trophozoite

Answer 28

Bull’s eye karyosome

Question 29

Size (um) 10-15

Answer 29

E. histolytica cyst

Question 30

Size (um) 10-30

Answer 30

E. coli cyst

Question 31

Number of nucleus of E. histolytica cyst

Answer 31

4

Question 32

Number of nucleus of E. coli cyst

Answer 32

8

Question 33

Spherical shaped

Answer 33

E. histolytica cyst

Question 34

Spherical or oval shaped

Answer 34

E. coli cyst

Question 35

Chromatoidal bodies which are Cigar/Rod shape

Answer 35

E. histolytica cyst

Question 36

Chromatoidal bodies which are Broom stick shape

Answer 36

E. coli cyst

Question 37

Size (um) 6-15

Answer 37

E. nana trophozoite

Question 38

Size (um) 6-20

Answer 38

I. butschillii trophozoite

Question 39

Size (um) 5-25

Answer 39

E. gingivalis trophozoite

Question 40

Pseudopodia (Bluntly rounded)

Answer 40

E. nana trophozoite I. butschillii trophozoite

Question 41

Pseudopodia (Multiple Bluntly rounded)

Answer 41

E. gingivalis trophozoite

Question 42

Nuclear karyosome (Large, irregular blot-likeappearance)

Answer 42

E. nana trophozoite

Question 43

Nuclear karyosome (Achromatic appearance)

Answer 43

I. butschillii trophozoite

Question 44

Nuclear karyosome (Central)

Answer 44

E. gingivalis trophozoite

Question 45

Movement (Sluggish Non-directional)

Answer 45

E. nana trophozoite I. butschillii trophozoite E. gingivalis trophozoite

Question 46

Size (um) 5-14

Answer 46

E. nana cyst

Question 47

Size (um) 5-18

Answer 47

I. butschillii cyst

Question 48

Oval shaped

Answer 48

E. nana cyst

Question 49

Irregular shaped

Answer 49

I. butschillii cyst

Question 50

Number of nuclei (E. nana cyst)

Answer 50

4

Question 51

Number of nuclei (I. butschillii cyst)

Answer 51

1

Question 52

Chromotoidal body which are Small and Spherical

Answer 52

E. nana cyst