Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

parasitology > flatforms > Flashcards

flatforms Flashcards

1
Q

flatworms also called

A

platyhelminths

-consist of cestodes and digenea

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

flukes- trematodes look

A

flattened and non-segmented

-live in liver

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

flukes have acetabulas which are

A

2 cup shaped muscular suckers

-oral sucker and ventral sucker and used for attachment and nutrients

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

2 kinds of flukes

A

hermaphroditic and unisex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

in both kinds of flukes sexual production happens in

A

human adult and is followed by multiplication of larval stages in the snail so life cycle is complex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

all flukes have what as intermediate host

A

snail

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

schistosome– over arching (unisex)

A

-blood flukes
-unisex

males often live in females for years

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

in schistosome how to eggs leave host

A

urine or feces

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

after eggs leaving host they

A

hatch into form called miracadium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

after turning into miracidium it infects

A

snail and have several morphological changes

-all species must be near water to mature (snails– water)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

infective form of schistosome

A

cercariae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

describe cercariae

A

emerge and swim free, lose tail and penetrate skin of human

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

what schistosome has a lateral spine used for attachment

A

mansoni

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

where does Schistosome mansoni live in body

A

in liver and veins around the intestine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

what is associated with Schistosome mansoni

A

swimmer’s itch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

infective stage of Schistosome mansoni

A

cercariae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

which schistosome is important in a cause of morbidity and mortality worldwide

A

mansoni

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

which schistosome have smaller eggs and a protruding spine on SIDE

A

japonicum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

where is japonicum found in body

A

liver and around veins of intestine

20
Q

what schistosome has a terminal spine at end of egg

A

haematobium

21
Q

where is haematobium found in the body

A

veins around bladder

-clogs catheters
-found in urine

22
Q

what schistosome is a cause of bladder cancer

A

haematobium

23
Q

hermaphroditic flukes

A

-female and male parts
-flatworms and nonsegmented
-operculum
-2nd intermediate host

24
Q

what is an operculum

A

opening at one end of parasite; where mature worm leaves the egg

-may cause egg to sink

NO FLOATATION

25
Q

unisex have ____ intermediate and hermaphroditic have _____ intermediate hosts

A

1; 2

26
Q

known as oriental liver fluke

A

clonorchis sinensis

27
Q

life cycle of Clonorchis sinensis

A

1st host- snail

larve leaves snail and encyst as metacercariae in

2nd host- freshwater fish

28
Q

2nd host for Clonorchis sinensis

A

freshwater fish

29
Q

infective form of Clonorchis sinensis

A

metacercariae

30
Q

how to get Clonorchis sinensis

A

eating undercooked fish and metacercariae migrates to liver

31
Q

dignostic Clonorchis sinensis

A

egg; operculum at shoulder(wide rim) and knob at other

32
Q

known as oriental lung fluke

A

paragonimus westermanni

33
Q

first and second host of paragonimus westermanni

A

1- snail
2-crab or crayfish

34
Q

specimen of choice for paragonimus westermanni

A

sputum

-may be bloody

35
Q

diagnostic of paragonimus westermanni

A

egg; may be operculated

36
Q

what does egg look like in paragonimus westermanni

A

thick back of shell and bigger than clonorchis

37
Q

what can paragonimus westermanni be mistaken as

A

TB because egg can be destroyed in digest procedure

38
Q

known as sheep liver fluke

A

fasciola hepatica

39
Q

known as large intestinal fluke

A

fasciola buski

40
Q

hosts for fasciola hepatica and buski

A

1- snail

2
hepatica-sheep?
buski- pig and dog?

41
Q

infective form for fasciola hepatica and buski

A

metacercariae

42
Q

how do humans get fasciola hepatica and buski

A

undercooked water plants

43
Q

diagnostic for fasciola hepatica and buski

A

egg

44
Q

where does f. buski live

A

small intestine

45
Q

where does heptica live

A

bile ducts

46
Q

where is buski prevalent

A

pig and dog

-vietnam, thailand, china

47
Q

where is heptica prevalent

A

raising sheep

parasitology (7 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions