INTESTINAL AND ATRIAL FLAGELLATES

Question 1

species under intestinal and atrial flagellates

Answer 1

• Giardia lamblia/Giardia duodenalis
• Chilomastix mesnili
• Enteromonas hominis
• Roseburia intestinalis
• Dentamoeba fragilis
• Pentatrichomonas hominis
• Trichomonas tenax
• Trichomonas vaginalis

Question 2

8-15 um; oval nucleus, Axoneme; parabasal bodies; and remnants of flagella

Answer 2

cyst of G. lamblia/G.duodenalis

Question 3

7-10 um; lemon; 1 nuclei; Cytostome with curved fibril referred to as sheperd’s crook fibril

Answer 3

C. mesnili cyst

Question 4

6-8 µm; ellipsoidal; 2 or 4 nucleus; Bipolar arrangement of nuclei; resembles Endolimax nana cyst

Answer 4

E. hominis cyst

Question 5

4-7 µm; ovoid; 1 nuclei; Cytostome extends above nucleus (Bird’s beak)

Answer 5

R. intestinalis cysts

Question 6

15x10 um; 2 nucleus; 8 flagella; Prominent sucking discs and axostyle

Answer 6

G. lamblia/G.duodenalis trophozoites

Question 7

Motility of G. duodenalis trophozoites

Answer 7

Falling leaf like

Question 8

15x7 um; 2 nucleus; 3 anterior flagella+ 1 fibril; Prominent cytostome with spiral groove

Answer 8

C. mesnili trophozoites

Question 9

motility of C. mesnili trophozoites

Answer 9

corkscrew like/spiral jerky

Question 10

8-9 um; 1 nuclei; 4 flagella;One side of the body is flattened

Answer 10

E. hominis trophozoites

Question 11

6-7 um; 1 nuclei; 2 flagella Cytostome extends ½ the length of body

Answer 11

R. intestinalis trophozoites

Question 12

motility of E. hominis and R. intestinalis trophozoites

Answer 12

Jerly motility

Question 13

5-15 um; 1 or 2 nuclei; no flagella; Multiple hyaline, leaf-like pseudopodia; fragmented tetrakaryosome

Answer 13

D. fragilis trophozoites

Question 14

motility of D. fragilis

Answer 14

ameboid

Question 15

Undulating membrane; axostyle extends beyond the organism’s body; cytoplasmic granules

Answer 15

P. hominis, T. tenax, T. vaginalis trophozoites

Question 16

undulating membrane of P. hominis trophozoites

Answer 16

as long as the COSTA

Question 17

undulating membrane of T. tenax trophozoites

Answer 17

almost as long as costa

Question 18

undulating membrane of T. vaginalis trophozoites

Answer 18

1/2-23 of costa

Question 19

location of G. lamblia

Answer 19

small intestine

Question 20

flagellates found in the large intestine

Answer 20

• C. mesnili
• E. hominis
• R. intestinalis
• D. fragilis
• P. hominis

Question 21

flagellates found on the openings or atrials

Answer 21

• T. tenax
• T. vaginalis

Question 22

flagellates in the mouth

Answer 22

T. tenax

Question 23

flagellates in the vagina

Answer 23

T. vaginalis

Question 24

the only bilaterally symmetrical flagellate trophozoite

Answer 24

G. lamblia/G. duodenalis (what you see in the right is what u see in the left boogsh)

Question 25

D shaped Trophozoite

Answer 25

E. hominis

Question 26

old man with eyeglasses

Answer 26

G. lamblia

Question 27

causes giardiasis or traveler’s diarrhea and has been associated with homosexual men with gay bowel syndrome

Answer 27

G. lamblia/ G. duodenalis

Question 28

test for G. lamblia

Answer 28

entero test/string test/duodenal capsule technique

Question 29

intermittent diarrhea, nausea, vomiting, abdominal pain

Answer 29

D. fragilis

Question 30

preferred diagnostic technique for D. fragilis

Answer 30

Trichrome (+) red/red purple

Question 31

causes non-specific vaginitis, urethritis, or prostatitis

Answer 31

T. vaginalis

Question 32

gold standard for T. vaginalis

Answer 32

culture in Diamond’s medium

Question 33

urethritis characterized by vaginal pruritis (itchiness); mucopurolent discharge

Answer 33

T. vaginalis

Question 34

sometimes considered as commensal

Answer 34

D. fragilis