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ACTS (Para) > Filarial Worms (Nematodes) > Flashcards

Filarial Worms (Nematodes) Flashcards

1
Q

Mansonella

a. Serous cavity
b. Subcutaneous fat under the skin
c. Lymphatics

A

a

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2
Q

Wuchereria bancrofti

a. Serous cavity
b. Subcutaneous fat under the skin
c. Lymphatics

A

c

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3
Q

Brugia malayi

a. Serous cavity
b. Subcutaneous fat under the skin
c. Lymphatics

A

c

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4
Q

Loa loa

a. Serous cavity
b. Subcutaneous fat under the skin
c. Lymphatics

A

b

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5
Q

Onchocerca volvulus

a. Serous cavity
b. Subcutaneous fat under the skin
c. Lymphatics

A

b

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6
Q

Mansonella streptocerca

a. Serous cavity
b. Subcutaneous fat under the skin
c. Lymphatics

A

b

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7
Q

DH of Filarial worms

a. Man
b. Orthropod vector

A

a

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8
Q

IH of Filarial worms

a. Man
b. Orthropod vector

A

b

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9
Q

IS to DH

a. Filariform larva (L1)
b. Filariform larva (L2)
c. Filariform larva (L3)
d. Microfilariae

A

c

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10
Q

IS to IH

a. Filariform larva (L1)
b. Filariform larva (L2)
c. Filariform larva (L3)
d. Microfilariae

A

d

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11
Q

Diagnostic stage?

a. Filariform larva (L1)
b. Filariform larva (L2)
c. Filariform larva (L3)
d. Microfilariae

A

d

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12
Q

Characteristic feature of Chronic Lymphatic filariasis where endothelial cells become less effective at trasportinjg interstital fluid leadinng to edema and collagen accumulation

a. Fibrosis
b. Cellular hyperplasia
c. Lymphatic localization
d. A and B

A

d

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13
Q

Elephantiasis of upper extremities

a. Wuchereria bancrofti
b. Brugia malayi
c. Loa loa
d. Onchocerca volvulus
e. Mansonella ozzardi
f. Dipetalonema perstans

A

b

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14
Q

Elephantiasis of Lower extremities

a. Wuchereria bancrofti
b. Brugia malayi
c. Loa loa
d. Onchocerca volvulus
e. Mansonella ozzardi
f. Dipetalonema perstans

A

a

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15
Q

Rive Blindness

a. Wuchereria bancrofti
b. Brugia malayi
c. Loa loa
d. Onchocerca volvulus
e. Mansonella ozzardi
f. Dipetalonema perstans

A

d

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16
Q

Calabar swelling/fugitive syndrome

a. Wuchereria bancrofti
b. Brugia malayi
c. Loa loa
d. Onchocerca volvulus
e. Mansonella ozzardi
f. Dipetalonema perstans

A

c

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17
Q

Vector: Simulian Black fly

a. Wuchereria bancrofti
b. Brugia malayi
c. Loa loa
d. Onchocerca volvulus
e. Mansonella ozzardi
f. Dipetalonema perstans

A

d

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18
Q

Vector: Culicoides sp.

a. Wuchereria bancrofti
b. Brugia malayi
c. Loa loa
d. Onchocerca volvulus
e. Mansonella ozzardi
f. Dipetalonema perstans

A

e and f

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19
Q

Vector: Chrysops sp

a. Wuchereria bancrofti
b. Brugia malayi
c. Loa loa
d. Onchocerca volvulus
e. Mansonella ozzardi
f. Dipetalonema perstans

A

c

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20
Q

Vector: Mango fly / Tabanid

a. Wuchereria bancrofti
b. Brugia malayi
c. Loa loa
d. Onchocerca volvulus
e. Mansonella ozzardi
f. Dipetalonema perstans

A

c

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21
Q

Vector: Aedes, Anopheles

a. Wuchereria bancrofti
b. Brugia malayi
c. Loa loa
d. Onchocerca volvulus
e. Mansonella ozzardi
f. Dipetalonema perstans

A

a

22
Q

Vector: Mansonia Anopheles

a. Wuchereria bancrofti
b. Brugia malayi
c. Loa loa
d. Onchocerca volvulus
e. Mansonella ozzardi
f. Dipetalonema perstans

A

b

23
Q

Preferred specimen for this is skin nips due to the jerky movement of this filaria

a. Wuchereria bancrofti
b. Brugia malayi
c. Loa loa
d. Onchocerca volvulus
e. Mansonella ozzardi
f. Dipetalonema perstans

A

d

24
Q

Microfilaria: Sheated, nuclei continuous up to the tip of the tail

a. Wuchereria bancrofti
b. Brugia malayi
c. Loa loa
d. Onchocerca volvulus
e. Mansonella ozzardi
f. Dipetalonema perstans

A

c

25
Q

Microfilaria: Sheated, tail with 2 separate nuclei

a. Wuchereria bancrofti
b. Brugia malayi
c. Loa loa
d. Onchocerca volvulus
e. Mansonella ozzardi
f. Dipetalonema perstans

A

b

26
Q

Microfilaria: Sheated, no nuclei in tail

a. Wuchereria bancrofti
b. Brugia malayi
c. Loa loa
d. Onchocerca volvulus
e. Mansonella ozzardi
f. Dipetalonema perstans

A

a

27
Q

Microfilaria: Unsheated, Absent nuclei in tail

a. Wuchereria bancrofti
b. Brugia malayi
c. Loa loa
d. Onchocerca volvulus
e. Mansonella ozzardi
f. Dipetalonema perstans

A

d and e

28
Q

Microfilaria: Unsheated, nuclei up to the tip of the tail

a. Wuchereria bancrofti
b. Brugia malayi
c. Loa loa
d. Onchocerca volvulus
e. Mansonella ozzardi
f. Dipetalonema perstans

A

f

29
Q

Periodicity: Nocturnal (10 pm - 1am)

a. Wuchereria bancrofti
b. Brugia malayi
c. Loa loa
d. Onchocerca volvulus
e. Mansonella ozzardi
f. Dipetalonema perstans

A

a

30
Q

Periodicity: Diurnal (10 am - 12 pm)

a. Wuchereria bancrofti
b. Brugia malayi
c. Loa loa
d. Onchocerca volvulus
e. Mansonella ozzardi
f. Dipetalonema perstans

A

c

31
Q

Periodicity: Subperidiodic Nocturnal

a. Wuchereria bancrofti
b. Brugia malayi
c. Loa loa
d. Onchocerca volvulus
e. Mansonella ozzardi
f. Dipetalonema perstans

A

b

32
Q

Periodicity: Non periodic

a. Wuchereria bancrofti
b. Brugia malayi
c. Loa loa
d. Onchocerca volvulus
e. Mansonella ozzardi
f. Dipetalonema perstans

A

def

33
Q

Sheath in Giemsa:

Pink

a. W. bancrofti
b. B. malayi

A

b

34
Q

Sheath in Giemsa:

Unstained

a. W. bancrofti
b. B. malayi

A

a

35
Q

Nuclei:

Regularly spaced separately situated

a. W. bancrofti
b. B. malayi

A

a

36
Q

Nuclei:

Irregularly spaced and overlapping

a. W. bancrofti
b. B. malayi

A

b

37
Q

Tail:

Single row of nuclei that reaches the tail’s end

a. W. bancrofti
b. B. malayi

A

b

38
Q

Nuclei:

Single row of nuclei that does not reach the tail’s end

a. W. bancrofti
b. B. malayi

A

a

39
Q

Appearance in blood film:

Smoothly curved

a. W. bancrofti
b. B. malayi

A

a

40
Q

Appearance in blood film:

kinky

a. W. bancrofti
b. B. malayi

A

b

41
Q

Thick and thin for these filarial worms, what is the collection time?

a. 8am - 4 pm
b. 8pm - 4am
c. 2-4 pm
d. 2-4 am

A

b

42
Q

Also known as Rat lung Worm

A

Angiostrongylus Cantonensis

43
Q

Also known as Canton Chine

A

Angiostrongylus Cantonensis

44
Q

What is the DH for Angiostrongylus Cantonensis

a. Man
b. Rats
c. Fish
d. Arthropod

A

b

45
Q

What is the IH for Angiostrongylus Cantonensis

a. Man
b. Rats
c. Molluscan
d. Arthropod

A

c

46
Q

Is man accidental host for Angiostrongylus Cantonensis

T or F

A

T

47
Q

IS to DH for A. cantonensis

a. Larvae (1st stage)
b. Larvae (2nd stage)
c. Larvae (3rd stage)
d. Adult

A

c

48
Q

IS to IH

a. Larvae (1st stage)
b. Larvae (2nd stage)
c. Larvae (3rd stage)
d. Adult

A

a

49
Q

MOT to humans for A. cantonensis includes:

a. Ingestion of mollusk
b. Ingestion of Leafy vegetable
c. Both
d. Neither

A

c

50
Q

What part of the body does A. cantonensis reside in?

A

CSF

51
Q

Barber’s Pole appearance

A

A. cantonensis

52
Q

What is the DS for A. cantonensis?

a. Eosinophilia in the blood
b. Eosinophils in the CSF
c. High protein CSF
d. b and c

A

d

ACTS (Para) (15 decks)

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