exercise 3

Question 1

Giardia lamblia size and shape (troph and cyst)

Answer 1

9.5-2 um
Bilaterally symmetrical pear-shaped, Ovoid/football

Question 2

Chilomastix mesnili size and shape (troph and cyst)

Answer 2

6-20 um
Asymmetric pear, Lemon shaped with nipple- like protuberance

Question 3

Trichomonas hominis size and shape

Answer 3

5-14 um
Pyriform

Question 4

D. fragilis size and shape

Answer 4

3-22 um
Irregular

Question 5

Trichomonas vaginalis size and shape

Answer 5

7-23 um
Pyriform

Question 6

Leishmania donovani size and shape

Answer 6

2-3 um
Ovoid

Question 7

Giardia lamblia # nucleus

Answer 7

Troph: 2
Cyst: 1-4

Question 8

Chilomastix mesnili # nucleus

Answer 8

Troph & cyst: 1

Question 9

T. hominis # nucleus

Answer 9

1

Question 10

T. vag # nucleus

Answer 10

1

Question 11

D. frag # nucleus

Answer 11

2

Question 12

Giardia lamblia # flagella

Answer 12

4 thin, thread-like filaments

Question 13

Chilomastix mesnili # flagella

Answer 13

3 anterior, rarely seen

Question 14

T. hominis # flagella

Answer 14

3-5 anteriorly, 1 at undulating membrane

Question 15

T. vag # flagella

Answer 15

4 anterior, 5th along undulating membrane

Question 15

D. frag # flagella

Answer 15

None

Question 16

Giardia lamblia troph structures

Answer 16

Sucking disc
Parabasal bodies
Axoneme

Question 17

Giardia lamblia cyst structures

Answer 17

Crossed fibrils

Question 18

Giardia lamblia IF

Answer 18

Mature quadrinucleated cysts

Question 19

Chilomastix mesnili troph. structures

Answer 19

Food vacuoles
Spiral groove

Question 20

Chilomastix mesnili cyst structures

Answer 20

Sheperd’s crook

Question 21

T. hominis structures

Answer 21

Undulating membrane

Question 22

T.hominis IF

Answer 22

Mature trophozoite

Question 23

Chilomastix mesnili IF

Answer 23

Mature cyst

Question 24

T.vag structures

Answer 24

siderophil granules undulating membrane that extends to half the parasite length axostyle

Question 25

D. frag structures

Answer 25

Vacuoles containing bacteria

Question 26

D.frag IF

Answer 26

Mature trophozoites

Question 27

T.vag IF

Answer 27

Mature trophozoites

Question 28

Giardia Lamblia movement

Answer 28

Falling leaf

Question 29

Chilomastix mesnili movement

Answer 29

Stiff and rotary

Question 30

T. hominis movement

Answer 30

Appear nervous Rapidly quick jerks

Question 31

T.vag movement

Answer 31

Corkscrew

Question 32

D.frag movement

Answer 32

Actively motile with progressive movement

Question 33

Giardia lamblia MOI and Habitat

Answer 33

Ingestion Small intestine

Question 34

Chilomastix mesnili MOI and Habitat

Answer 34

Ingestion Colon

Question 35

T. hominis MOI and Habitat

Answer 35

Ingestion Cecal area of L.I

Question 36

T.vag MOI and Habitat

Answer 36

Sexual intercourse Genitals, UGT, Prostate

Question 37

D.frag MOI and Habitat

Answer 37

Ingestion Lumen of cecum and upper colon

Question 38

Biggest trichomonas

Answer 38

T. vag