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Trematodes > BLOOD FLUKES > Flashcards

BLOOD FLUKES Flashcards

1
Q

Manson’s Blood fluke

A

S. Mansoni

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2
Q

Oriental blood fluke

A

S. Japonicum

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3
Q

Vesical Blood Fluke

A

S. Haematobium

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4
Q

Infective stage of blood flukes

A

Forked tailed cercaria

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5
Q

MOT OF BLOOD FLUKES

A

Skin penetration

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6
Q

Number of host in blood flukes

A

1 definitive host = man
1 intermediate = snail/ mollusk
Requires 2 host

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7
Q

MOT: Entry of cercaria in the skin can lead to ?

A

Schistosomiasis or Bilharziasis

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8
Q

What does blood flukes infect?

A

Mesenteric veins not blood

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9
Q

Sexes in blood flukes are called

A

Non hermaphroditic or dioecious

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10
Q

Dioecious or non hermaphroditic means

A

Separate sexes or romantic pairs of male and female

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11
Q

The body of the adult blood fluke is

A

ELONGATED , cylindrical like round worm

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12
Q

The body of the Male worms of blood flukes are

A

Shorter and robust

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13
Q

The body of females in blood flukes are

A

Longer and slender which is healthy

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14
Q

Dows males and female are provided with oral and ventral suckers

A

Yes,
acetebelumn

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15
Q

Used by male worms to vary female during copulation
a. Acetebelum
B. Gynecophoric canal

A

B. Gynecophoric canal

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16
Q

Adult worms of blood flukes are

A. Non operculated
B. Operculated

A

A. Non- operculate cell is intact

17
Q

Diagnostic stage of blood flukes

A

Eggs or ova

18
Q

Mode of transmission of blood flukes

A

Skin penetration

19
Q

What specimen is used for detection of blood flukes

A

Stool or urine

20
Q

S. Japonicum habitat
A. Inferior mesenteric veins or veins draining rectum
B.superior mesenteric veins
C. Vesical veins/ urinary bladder

A

B. Superior mesenteric veins

21
Q

S. Mansoni habitat
A. Inferior mesenteric veins or veins draining rectum
B.superior mesenteric veins
C. Vesical veins/ urinary bladder

A

A. Inferior mesenteric / draining rectum

22
Q

S. Haematobium habitat
A. Inferior mesenteric veins or veins draining rectum
B.superior mesenteric veins
C. Vesical veins/ urinary bladder

A

C. Vesical veins / urinary bladder

23
Q

Specimen for diagnosis for s. Japonicum

A

Stool eggs

24
Q

Diagnostic stage for s. Mansoni

A

Eggs stool

25
Q

S haematobium specimen for diagnosis

A

Urine

26
Q

Smooth integumentary

A

S. Japonicum

27
Q

With course tuberculation

A

S. Mansoni

28
Q

Fine Tuberculations

A

S. Haemotobium

29
Q

Largest schistosomia

A

Adult s. Japonicum

30
Q

Smallest adult blood flukes

A

S. Mansoni

31
Q

Used To differentiate adult worms from blood flukes

A

Size and integumentary

32
Q

Number of testes of s. Japonicum

A. 8-9
B.6-8
C. 4-5

A

B.6-8

33
Q

Number of testes of s. Mansoni

A. 8-9
B.6-8
C. 4-5

A

A. 8-9

34
Q

Number of testes of s. Haematobium

A. 8-9
B.6-8
C. 4-5

A

C.4-5

35
Q

Number of eggs in uterus of s. Japonicum

A. 50-100
B. 1-4
C. 20-30

A

A.50-100

36
Q

Number of egg in uterus of s. Mansoni

A. 8-9
B.6-8
C. 1-4

A

C. 1-4

37
Q

Number of eggs in uterus of haematobium

A. 50-100
B. 1-4
C. 20-30

A

C. 20-30

38
Q

cercaria that has lost its tail ff: entry to human
skin

A

SCHISTOSOMULE
(LARVA THAT INFECT THE VEINS)

39
Q

A form of dermatitis that may develop because
of cercarial penetration

A

SWIMMER’S ITCH

Trematodes (7 decks)

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