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MTAP 1 Para > 4.2.1 Flukes (Trematodes, Blood fluke) > Flashcards

4.2.1 Flukes (Trematodes, Blood fluke) Flashcards

1
Q

Also known as Oriental blood fluke

a. Schistosoma japonicum
b. Schistosoma haematobium
c. Schistosoma mansoni

A

a

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2
Q

ALL blood flukes has an IS metacercaria

T or F

A

F

Cercaria

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3
Q

MOT for Schistosoma japonicum

A

Skin penetration in water

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4
Q

Schistosoma japonicum is endemic in?

A

Leyte

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5
Q

More frequently found in the superior mesenteric veins draining the small intestine

a. Schistosoma japonicum
b. Schistosoma haematobium
c. Schistosoma mansoni

A

a

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6
Q

More frequently found in the anterior mesenteric veins draining the small intestine

a. Schistosoma japonicum
b. Schistosoma haematobium
c. Schistosoma mansoni

A

c

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7
Q

What blood fluke causes:
- Schistomiasis japonica
- Swimmer’s itch

A

S. japonicum

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8
Q

Definitive host includes:

Dog
Pigs
Cats
Carabais
Cows
Rodents
Monkeys
Man

a. Schistosoma japonicum
b. Schistosoma haematobium
c. Schistosoma mansoni

A

a

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9
Q

Dx for S. japonicum:

Sensitive for heavy infection

a. MIFC
b. Katokatz

A

a

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10
Q

Dx for S. japonicum:

egg counting

a. MIFC
b. Katokatz

A

b

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11
Q

Which among the Sero Dx for S. japonicum is the MOST specific

a. Intradermal test
b. COPT
c. ELISA

A

b and c

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12
Q

Praziquantel

a. Schistosoma japonicum
b. Schistosoma haematobium
c. Schistosoma mansoni

A

a

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13
Q

Also known as Vesical blood fluke

a. Schistosoma japonicum
b. Schistosoma haematobium
c. Schistosoma mansoni

A

b

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14
Q

S. haematobium causes deposits the larvae in the blood vessel causing infection

T or F

A

F

Not larvae, egg

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15
Q

MOT for S. haematobium?

A

Skin penetration in water

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16
Q

Causes urinary schistosomiasis

a. Schistosoma japonicum
b. Schistosoma haematobium
c. Schistosoma mansoni

A

b

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17
Q

Causes Katayama fever (Menigoencephalitis)

a. Schistosoma japonicum
b. Schistosoma haematobium
c. Schistosoma mansoni

A

a

(Posible lahat since may CNS involvement)

18
Q

Dx: Examination of urine

a. Schistosoma japonicum
b. Schistosoma haematobium
c. Schistosoma mansoni

A

b and c

19
Q

S. haematobium

Urinary schistosomiasis has a prepatent period of?

A

10-12 weeks

20
Q

Urinary schistosomiasis has a painful haematuria

T or F

A

F

Painless

21
Q

In urinary schistosomiasis, due to inflammation of the bladder and burning micturition, this may lead to bladder ______

A

carcinoma

22
Q

Lung and CNS involvement

a. Schistosoma japonicum
b. Schistosoma haematobium
c. Schistosoma mansoni

A

b and c

23
Q

Granulomatous lesion around the ectopic eggs in the spinal cord

a. Schistosoma japonicum
b. Schistosoma haematobium
c. Schistosoma mansoni

A

b and c

24
Q

Also known as Manson intestinal blood fluke

a. Schistosoma japonicum
b. Schistosoma haematobium
c. Schistosoma mansoni

A

c

24
Q

Tissue proliferation and repair

a. Schistosoma japonicum
b. Schistosoma haematobium
c. Schistosoma mansoni

A

b and c

25
Q

MOT of S. mansoni

A

Skin penetration in water

26
Q

Adult: unlike the flukes, adult schistosomes have the sexes ________, with the female residing in a _______________ within the male.

Male worms are robust, tuberculate and measure ______mm in length. Females are longer (______ mm in length) and slender.

Adult S. mansoni reside in the venous plexuses of the ______________ and in the portal system of the ______of their host

A

separate, gynecophoral canal

6-12 , 7-17

colon and lower ileum, liver

27
Q

Causes intestinal schistosomiasis

a. Schistosoma japonicum
b. Schistosoma haematobium
c. Schistosoma mansoni

A

c

28
Q

Endoscopy

a. Schistosoma japonicum
b. Schistosoma haematobium
c. Schistosoma mansoni

A

c

29
Q

Cystoscopy

a. Schistosoma japonicum
b. Schistosoma haematobium
c. Schistosoma mansoni

A

b

30
Q

Small lateral

a. Schistosoma japonicum
b. Schistosoma haematobium
c. Schistosoma mansoni

A

a

31
Q

Large lateral

a. Schistosoma japonicum
b. Schistosoma haematobium
c. Schistosoma mansoni

A

c

32
Q

Ova/eggs: hatch at slightly alkaline H2O, knob like lateral spine near the polar ends

a. Schistosoma japonicum
b. Schistosoma haematobium
c. Schistosoma mansoni

A

a

33
Q

Ova are large (110-170 um long by 40-70 um wide) and bear a conspicuous terminal spine. Eggs contain a mature miracidium when shed in urine

a. Schistosoma japonicum
b. Schistosoma haematobium
c. Schistosoma mansoni

A

b

34
Q

Ova: eggs are large (114 to 180 um long by 45-70 um wide) and have a characteristic shape, with a prominent lateral spine near the posterior end. The anterior end is tapered and slightly curved. When the eggs are excreted in stool, they contain a mature miracidium

a. Schistosoma japonicum
b. Schistosoma haematobium
c. Schistosoma mansoni

A

c

35
Q

1st IH
* Snail: Oncomelania hupensis quadrasi (infected by miracidium form)

a. Schistosoma japonicum
b. Schistosoma haematobium
c. Schistosoma mansoni

A

a

36
Q

1st IH
* Snail: Bulinus spp.

a. Schistosoma japonicum
b. Schistosoma haematobium
c. Schistosoma mansoni

A

b

37
Q

1st IH
* Snail: Biomphalaria spp.

a. Schistosoma japonicum
b. Schistosoma haematobium
c. Schistosoma mansoni

A

c

38
Q

Prepatent period for Intestinal schistosomiasis?

A

5-7 weeks

39
Q

Which among the following causes Dysentery and Hepatosplenomegaly

a. Schistosoma japonicum
b. Schistosoma haematobium
c. Schistosoma mansoni

A

c

MTAP 1 Para (21 decks)

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