2nd Shifting Nematodes Flashcards
(103 cards)
1
Q
Nematodes are also called
A
Round worms
2
Q
A term for worms
A
Helminths
3
Q
Nematodes belong to what Phylum
A
Phylum Nematoda
4
Q
True or False
Nematodes are bilaterally symmetrical
A
True
5
Q
True or False
Nematodes are cylindrical, elongated and segmented
A
False
Nematodes are cylindrical, elongated and NON segmented
6
Q
What kind of pharynx do nematodes have
A
Triradiate muscular pharynx
7
Q
Refers to the body cavity
A
Pseudocoel
8
Q
Amphids and Phasmids are examples of
A
Chemoreceptors
9
Q
Chemoreceptor possessed by all nematodes
A
Amphids
10
Q
Chemoreceptor not possessed by all nematodes
A
Phasmids
11
Q
No phasmids
A
Aphasmids
12
Q
Aphasmids are grouped under
A
Aphasmida
13
Q
3 kinds of nematodes under Aphasmida
A
Trichiris
Trichinella
Capillaria
14
Q
True or False
Nematodes are monoecious
A
False
Nematodes are dioecious
15
Q
Body covering of nematodes
A
Chitinous Cuticle
16
Q
True or False
Nematodes possess circulatory system
A
False
Nematodes do not have circulatory system
17
Q
4 Egg laying capacity of Nematodes
A
Oviparous
Ovoviviparous
Larviparous
Parthenogenetic
18
Q
Immature egg and no embryo
A
Oviparous
19
Q
Mature egg and embryonic
A
Ovoviviparous
20
Q
Larva laying females
A
Larviparoud
21
Q
Capable of self fertilization
A
Parthenogenetic
22
Q
True or False
Ovoviviparous produces immature and non embryonic
A
False
Ovoviviparous produces mature and embryonic
23
Q
True or False
Oviparous produces immature and embryonic
A
False
Oviparous produces immature and no embryo
24
Q
3 Stages of Nematodes
A
Egg
Larva
Adult
25
True or False
| Larva stage has 3 stages
False
| Larva stage has 4 stages
26
True or False
| The stages of nematodes are larva, egg and adult
```
False
The stages of nematodes are
Egg
Larva
Adult
```
27
True or False
| Male nematodes are smaller than females
True
28
Male nematodes have _________ posterior
Curved
29
Some males may possess
Copulatory bursa
30
Females have ___________ posterior
Pointed
31
Common name of Ascaris lumbricoides
Giant intestinal roundworm
32
Final host of Ascaris lumbricoides
Man
33
Habitat of Ascaris lumbricoides
Small intestine
34
Infective Stage of Ascaris lumbricoides
Embryonated egg with larva
35
Mode of transmission of Ascaris lumbricoides
Oral fecal
36
What parasite undergoes heart lung migration
Ascaris lumbricoides
37
True or False
| After going to the small intestine, Ascaris lumbricoides undergoes heart lung migration and goes to the large intestine
False
| It goes back to the small intestine
38
Diagnostic stage of Ascaris lumbricoides
Eggs in stool
39
How will Ascaris lumbricoides eggs embryonate
They should find their way back to the soil
40
The adult Ascaris lumbricoides worm has _______ in its anterior part
Trilobate lips
41
The posterior of female Ascaris lumbricoides is
Pointed
42
What is the thick portion in female Ascaris lumbricoides
Genital girdle
43
The posterior portion of Male Ascaris lumbricoides is
Curved
44
Male worms gave ________ for copulation
Spicule
45
4 Eggs of Ascaris lumbricoides
Unfertilized
Fertilized Decorticated
Fertized Corticated
Embryonated Egg
46
Unfertilized egg of Ascaris is ______ in shape
Oval
47
Only layer of unfertilized Ascaris lumbricoides
Glycogen layer
48
Function of glycogen layer
Covers coarse lecithin granules
49
Coarse granules covered by glycogen in unfertilized egg
Lecithin
50
2 layers of Unfertilized egg of Ascaris lumbricoides
Glycogen
| Coarse lecithin granules
51
It has
Glycogen
Vitellin/lipoidal layer
Organized fine granules/amorphous protoplasm
Fertilized decorticated
52
Shat covers the organized fine granules or amorphous protoplasm of fertilized corticated egg of Ascaris lumbricoides
Lipoidal layer or vitelline layer
53
Innermost part of fertilized decorticated egg
Organized fine granules or amorphous protoplasm
54
3 layers of fertilized decorticated egg of Ascaris lumbricoides
Gluycogen
Vitelline/Lipoidal layer
Organized fine granules/Amorpohous protoplasm
55
It has the most number of layers in eggs of Ascaris
Fetilized Corticated
56
What is the outermost part of fertilized corticated
Mamillary/Albuminous
57
What differentiates the fertilized corticated from fertilized corticated
Presence of Albuminous/Mamillary
58
4 parts of fertilized corticated
Mamillary/Albuminous
Glycogen
Vitelline/Lipoidal layer
Organized fine granules/Amorphous Protoplasm
59
True or False
| Embryonated egg is found in stool
False
| Embryonated egg is not found in stool
60
Embryonated egg houses the
Larvae
61
Pathology of Ascaris lumbricoides
Ascariases
62
4 Signs of Ascariasis (?)
Loefller’s syndrome
Intestinal obstruction
Intestinal perforation
Erratic worms
63
Refers to migrating larva
Loeffler’s syndrome
64
Refers to being torn
Intestinal obstruction
65
Methods used for stool examination of Ascaris
DFS
Kato Katz
FECT
66
Instead of stool, _______ exam can also be done for Ascaris
Sputum examination for larva detection
67
Drug of choice for Ascaris
Mebendazole
68
Cn of trichuris trichiura
Whipworm
69
FH of Trichuris trichiura
Man
70
Habitat of Trichuris trichiura
Large intestine
71
Manner of attachment of Trichuris
Pin fashion manner in anterior part
72
Infective Stage of Trichuris
Embryonated egg
73
Mode of transmission of Trichuris
Oral fecal
74
The adult Trichuris has what kind of anterior
Attenorated anterior 3/5
75
Describe the anterior circles of adult trichuris
String of beads/pearls
76
True or False
| The adult Trichuris has thick or robust posterior
True
77
Shape of egg of Trichuris
Football
Japanese lantern
Barrel shaped
Lemon shaped
78
Special circular formation in the anterior and posterior part of Trichuris
Bipolar mucus plugs
79
Color of bile stained Trichuris
Dark yellow
80
True or False
| Trichuris trichiura has striations
False
| It has no striations
81
Dx of Trichuris trichiura
Stool examination
82
Pathology of Trichuris
Trichuriasis
83
Signs of Trichuriasis
Anemia
Bloody diarrhea
Rectal prolapse
84
Condition in which the rectum goes out
Rectal prolapse
85
Has common name if seatworm
Enterobius vermicularis
86
Common names of Enterobius vermicularis
Seat worm
Society worm
Pinworm
87
Final host of Entero vermicularis
Man
88
Habitat of Enterobius vermicularis
Colon-Large intestine
89
Infective Stage of Enterobius vermicularis
Embryonated egg
90
3 modes of transmission for Enterobius vermicularis
Ingestion
Retroinfection
Inhalation
91
Refers to MOT wherein the worm crawls back to the anus
Retroinfection
92
Reasons why female Enterobius vermicularis migrates to the perianal area at night
Cold at night
| Oxygen at perianal area
93
How many hours does it take for the embryonation of Enterobius vermicularis
4-6 hrs only
94
The adult Enterobius vermicularis has ________ in its anterior portion
Cephalic alae
95
This cephalic alae is like a _________
Wing like receptor
96
Shape of esophagus of Enterobius vermicularis
Bulb shaped or flask shaped
97
Wing like receptor of Enterobius vermicularis
Cephalic alae
98
2 layers of eggs of Enterobius vermicularis
Albuminous
| Lipoidal
99
Shape of egg of Enterobius vermicularis
D shaped
| Lopsided
100
Pathology of Enterobius vermicularis
Nocturnal Pruritus
101
Diagnostic Stage of Enterobius vermicularis
Egg
102
How to diagnose Enterobius vermicularis
Scotch tape swab or perianal swab
| Fingernals
103
True or False
| Stool examination is recommended for Enterobius vermicularis
False
| Stool examination yields only 5% accurate results
