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Parasitology 1 Lab Qu > lab 7 > Flashcards

lab 7 Flashcards

1
Q

What is the name of the development of lice?

A

Epimorphosis (egg> 3/5 nymph stages > adult): insects.

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2
Q

How big is an adult louse?

A

1- 14 mm.

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3
Q

Which gender are the biggest lice?

A

Female.

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4
Q

How are the eyes of the lice?

A

Reduced or absent.

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5
Q

How many antennae does the Amblycera/ Ischnocera have?

A

3- 5 segmented antennae.

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6
Q

How many antennae does the Anoplura have?

A

5 segmented antennae.

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7
Q

How many nymphal stages do lice have?

A

3.

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8
Q

How long do blood sucking lice survive without a host?

A

1- 4 days.

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9
Q

How long do chewing/ biting lice survive without a host?

A

1- 2 weeks.

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10
Q

How do lice spread?

A

By contact, phoresy.

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11
Q

Which suborder does Felicola subrostratus belong to?

A

Ichnocera (chewing or biting lice)

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12
Q

Which suborder does Solenopotes capillatus belong to?

A

Anopeura (blood sucking lice)

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13
Q

Which is the blood sucking louse of dogs?

A

Linognathus setosus.

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14
Q

Which is the blood sucking louse of sheep?

A

Linognathus stenopsis, Linognathus ovillus and linognathus pedalis.

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15
Q

Which are the blood sucking lice of cats, birds?

Which are the chewing/biting lice rabbits, pigs, humans?

A

It does not exist.

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16
Q

Which are the hosts of the blood sucking lice?

A

Mammals.

17
Q

What is the blood-sucking lice sp, of cattle?

A

Linognathus vituli, Hematopinus eurysternus + Solenopotes capillatus.

18
Q

How many abd segments do lice have?

A

9

19
Q

How many spiracles do lice have?

A

6 . pairs.

20
Q

One of the anoplura sp. of cattle is the Linognathus?

A

Vituli.

21
Q

What does the cocoon of fleas contain?

A

Pupa

22
Q

How many abd segments do fleas have?

A

10 abd segments.

23
Q

What is the name of development for fleas?

A

Holometamorphosis ( egg> 3 - 11 larval stages> pupa> adult): insects.

24
Q

Genus of the rat flea?

A

Xenopsylla cheopis.

25
Q

Genus of the human flea?

A

Tunga penetrans.

26
Q

What is special about Tunga penetrans (jigger)?

A

Only male sucks blood.

27
Q

Which is characteristic of a dog infected with fleas?

A

Hotspots on lumbosacral + gluteal region.

28
Q

Which is characteristic for a cat infected with fleas?

A

Miliary dermatitis.

29
Q

How big is an adult flea?

A

1 - 6 mm.

30
Q

How big are the eggs of flea?

A

0.5 mm.

31
Q

Which is true?

A

Adult flea is 1 - 6 mm.

32
Q

In flea infestation, which are the clinical signs?

A

None.

Restlessness, scratching, intense grooming, anemia, fleabite allergy, hot spot in dog and military dermatitis in cat

33
Q

How does fleas develop?

A

Holometamorphosis.

34
Q

How many larval stages of flea?

A

3.

Parasitology 1 Lab Qu (8 decks)

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