Brainscape's Knowledge GenomeTM

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


See full index

PARASITOLOGY > BLOOD FLUKES > Flashcards

BLOOD FLUKES Flashcards

1
Q

an old english name which refers to flattened rhomboidal morphology

A

“Fluke”

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

TREMATODES have excretory systems made up of

A

flame cells or protonephridia

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

Fertilized eggs when passed: (PEFF)

A

Paragonimus, Echinostoma, Fasciola, Fasciolopsis

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

Embryonated eggs when passed:

A

Schistosoma, Heterophyids, Opisthorchis, Clonorchis

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

Males are flattened behind ventral sucker, with bodies cylindrical and incurved
ventrally to form____ in which female resides

A

gynecophoral canal

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

Infection rate for snails: usually observed at ____, about _____ hours post release of
miracidia

A

10°C-20°C, 1-4 HOURS

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

Schistosoma japonicum, _____ fluke

A

(Oriental fluke)

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

Schistosoma japonicum(Oriental fluke), disease

A

Oriental Schistosomiasis

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

Schistosoma japonicum, Snail intermediate host:

A

Oncomelania hupensis quadrasi

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

smallest
schistosome egg

A

Schistosoma japonicum

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

Schistosoma japonicum size

A

46-110 um in length and 37-90 in width;

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

Schistosoma japonicum, Variations in diurnal peaks can be observed with some around ___ to ___

A

11 am to 4 pm

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

It has a minute lateral spine

A

Egg of Schistosoma japonicum

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

characterized by having smooth tegument, cylindrical, gray-white in color

A

Adult, Schistosoma japonicum

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

Schistosoma japonicum, Adult lay more than how many eggs

A

more than 3,000 eggs/day

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

adult, They are usually located in the branches of superior mesenteric vein adjacent to small intestine or sometimes in ileocecal area

A

Schistosoma japonicum

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

Schistosoma japonicum, Cercaria: peaks around ___ to ___

A

10 am to 12 noon

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

the most virulent Schistosoma

A

Schistosoma japonicum

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

Schistosoma japonicum, hepatic complications are the most severe form, although pulmonary cirrhosis can be seen

A

Chronic infections

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Schistosoma japonicum, ___ is also observed and possibly other gram-negative bacteria

A

Secondary bacterial infection with Salmonella spp

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Schistosoma japonicum, It can be able to cause colorectal and ___

A

liver carcinoma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Schistosoma japonicum. definitive host

A

Man

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Schistosoma japonicum, natural infection occurs widely in several , ___ and ____ which act as reservoirs of infection.

A

domestic animals and rodents

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Schistosoma japonicum. Intermediate host:

A

Amphibian snails of the genus Oncomelania

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Schistosoma japonicum. Infective form for humans:

A

Fork tailed cercaria.

26
Q

S. japonicum. Diagnostic stage:

A

embryonated eggs in stool

27
Q

S. japonicum. Lab Diagnosis. ▪ demonstration of eggs in stool using Kato thick or Katokatz
▪ eggs are also stained by modified Ziehl-Neelsen

A

Acute

28
Q

S. japonicum. Lab Diagnosis. ▪ hatching test and concentration or sedimentation
▪ rectal biopsy can also be used during chronic loweggoutputbutisinvasive

A

Chronic

29
Q

S. japonicum. Lab Diagnosis.. can be used to differentiate past or current infection

A

Antigen detection test

30
Q

(Bladder fluke, Urinary bilharziasis)

A

Schistosoma haematobium

31
Q

Schistosoma haematobium. Snail intermediate hosts:

A

Bulinus ,Physopsis, Biomphalaria

32
Q

Schistosoma haematobium. Egg:
 it measures ?

A

110-170 um in length and
40-70 um in wdith

33
Q

Egg has a conspicuous terminal spine

A

Schistosoma haematobium

34
Q

egg output peaks around 12 noon
to 3 pm

A

Schistosoma haematobium

35
Q

Schistosoma haematobium. Cercaria:
 shedding in snails around 11am to
3pm with peaks around __

A

1pm

36
Q

Schistosoma haematobium. Lay about ____ eggs a day

A

30-300 eggs a day

37
Q

Both sexes are grayish-white to yellowish-brown in color mainly
located in vesical, prostatic and uterine plexuses but can also be
found in rectal venules

A

Schistosoma haematobium

38
Q

It can be able to cause genito-urinary problems such as dysuria, microhematuria, glomerulonephritis, lumbar pains, hematuria, obstructive uropathies

A

Schistosoma haematobium

39
Q

Schistosoma haematobium. can be able to cause genito-urinary problems and most especially ____, and
_____ in bladder

A

bladder carcinoma, eosinophillic infiltration

40
Q

It is more common in Africa, Miiddle East and South American
regions

A

Schistosoma haematobium

41
Q

S. haematobium. Definitive host:

A

Humans

42
Q

S. haematobium. Intermediate host:

A

Fresh water snails

43
Q

S. haematobium. Infective form

A

Cercaria larva

44
Q

It is possible to find eggs from biopsy material from uterine, cervical wall and vagina

A

S. haematobium

45
Q

(Manson’s blood fluke)

A

Schistosoma mansoni

46
Q

Schistosoma mansoni. Snail intermediate hosts:

A

Biomphalaria, Australorbis, Tropicorbis

47
Q

Schistosoma mansoni. Egg. Color

A

light yellowish brown in color

48
Q

Schistosoma mansoni. Egg. has a large lateral spine that is shaped like

A

rose thorns

49
Q

Schistosoma mansoni. egg peaks are observed to be released by hosts around

A

10 am to 2pm

50
Q

Schistosoma mansoni. Cercaria: Peak is between ____, with heavily infested water

A

11am to 1pm,

51
Q

Schistosoma mansoni. Cercaria: Peak can extend up to

A

4pm

52
Q

Its adult is grayish white in color

A

Schistosoma mansoni

53
Q

Schistosoma mansoni. lay about ___ eggs a day which are deposited diffusely

A

350 eggs a day

54
Q

smallest schistosome in terms of adult length

A

Schistosoma mansoni

55
Q

Adult. They are usually located in inferior mesenteric vein of lower colon or sigmoid orectal area

A

Schistosoma mansoni

56
Q

causes symmers pipe stem fibrosis, pulmonary emboli and hypertension

A

Schistosoma mansoni

57
Q

It can also cause right sided heart failure, spinal cord schistosomiasis, myelopathy in brain, kidney failure, glomerulonephritis, lumbar pains

A

Schistosoma mansoni

58
Q

Note that it can predispose individuals to HIV-1 (immune dysregulation and organ damage)

A

Schistosoma mansoni

59
Q

Schistosoma mansoni. It is more common in

A

Africa and Middle East

60
Q

LABORATORY DIAGNOSIS. Same with S. japonicum and S. haematobium

A

Schistosoma mansoni

PARASITOLOGY (15 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions