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PARA LEC PRELIM > SUBPHYLUM MASTIGOPHORA > Flashcards

SUBPHYLUM MASTIGOPHORA Flashcards

1
Q

seen in the openings
and body cavities such as mouth and
urogenital

A

Atrial flagellates

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2
Q

Generally have one to several long flagella
in trophozoite form except

A

D. fragilis

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3
Q

Some species have rudimentary mouth
called

A

cytostome

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4
Q

Neuromotor apparatus consists of

A

kinetoplast and axoneme

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5
Q

Reproduction is through

A

binary fission

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6
Q

parasites that have cyst and
troph forms, the others exist in
trophozoite stage only

A

Trichomonas tenax
Trichomonas vaginalis
Trichomonas hominis

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7
Q

pathogenic members of atrial flagellates

A
  • Giardia lamblia
  • Trichomonas vaginalis
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8
Q

Non-pathogenic members of atrial flagellates

A
  • Chilomastix mesnili
  • Retortamonas intestinalis
  • Pentatrichomonas hominis
  • Trichomonas tenax
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9
Q

Who first described Giardia intestinalis?

A

Dr. F. Lambl
Dr. Giard

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10
Q

lemon-shaped, with clear
hyaline knob extending from
the anterior end.

A

Chilomastix mesnili (cyst)

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11
Q

Trichomonas vaginalis (trophozoite) motility

A

Rapid, Jerky movement

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12
Q

size range of Giardia intestinalis (trophozoite)

A

9-12 um long
5-15 um wide

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13
Q

size range of Giardia intestinalis (cyst)

A

8-17 um long
6-10 um wide

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14
Q

Chilomastix mesnili (trophozoite) motility

A

Rotary, Cork screw, Jerky
movement (moves like a
wheel)

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15
Q

size range of Chilomastix mesnili (cyst)

A

7-10 um

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16
Q

size range of Chilomastix mesnili (trophozoite)

A

6-10 um

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17
Q

shape of Chilomastix mesnili (Cyst)

A

Lemon-shaped, knob extending
“Nipple like” cyst

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18
Q

motility of Trichomonas vaginalis

A

Rapid, jerky movement

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19
Q

motility of Trichomonas tenax

A

Jerky movement

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20
Q

motility of Trochomonas hominis

A

Jerky non-directional movement

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21
Q

motility of Giardia intestinalis

A

Falling leaf or leaf-like movement

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22
Q

Shape of Giardia intestinalis cyst

A

Ovoid or football shaped

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23
Q

nucleus of Giardia intestinalis trophozoite

24
Q

nucleus of Giardia intestinalis cyst

A

young cyst - 2 nuclei
mature cyst - 4 nuclei

25
nucleus of Chilomastix mesnili trophozoite
4 nuclei (eccentric karyosome)
26
nucleus of Trichomonas vaginalis trophozoite
1 nucleus
27
nucleus of Chilomastix mesnili cyst
1 nucleus (large karyosome)
28
nucleus of Trichomonas tenax
1
29
Flagella of Trichomonas tenax
5
30
flagella of Trochomonas hominis
3-5
31
Flagella of Trichomonas vaginalis
4-6 flagella
32
Flagella of Chilomastix mesnili
4
33
flagella of Giardia intestinalis cyst
2-4
34
flagella of Giardia intestinalis trophozoite
4
35
Well-defined cytostome on one size of the nucleus
Chilomastix mesnili cyst
36
Undulating membrane Extending half of body length (1/2)
Trichomonas vaginalis
37
Undulating membrame 2/3 of body length - thick axostyle
Trichomonas tenax
38
Undulating membrane full body length
Trochomonas hominis
39
Other name for Giardia intestinalis
Giardia lambia, Giardia duodenalis, lamblia intestinalis
40
Other name for Trichomonas tenax
Trichomonas elongate, trichomonas buccalis
41
Other name for Trichomonas hominis
Pentatrichomonas arden delteili
42
Malabsorption (Steatorrhea)
Giardia intestinalis
43
Asymptomatic but is known to invade respiratory tract
Trichomonas tenax
44
Waterborne Traveller’s diarrhea
Giardia intestinalis
45
Habitat of Giardia intestinalis
duodenum, jejunum, upper ileum
46
MOT for G. intestinalis
feco oral
47
Habitat of Chilomastix mesnili
duodenum, jejunum, upper ileum
48
Habitat of Trichomonas tenax
lives in tartar around teeth
49
A pair of “claw shaped”
Giardia intestinalis
50
Hour glass shape
Chilomastix mesnili
51
pH of G. intestinalis
7.8-8.2
52
Stool appears bulky and oily
Giardia intestinalis
53
habitat of Trichomonas vaginalis
urogenital tract
54
Habitat of Trichomonas hominis
cecal area of large intestine
55
Flies may serve as mechanical vector
Trichomonas hominis

PARA LEC PRELIM (3 decks)

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