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MLT-MLS Spring 2023 > Parasitology Arthropods > Flashcards

Parasitology Arthropods Flashcards

1
Q

Which of the following are the stages of Complete Metamorphosis?:
-Egg/Nit
-Larva
-Nymph
-Pupa
-Imago

A

-Egg/Nit
-Larva
-Pupa
-Imago

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2
Q

Which of the following are the stages of Incomplete Metamorphosis?:
-Egg/Nit
-Larva
-Pupa
-Nymph
-Imago

A

-Egg
-Nymph
-Imago

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3
Q

Mechanical vs Biological Vectors:
-Passive transfer of parasites

A

Mechanical vectors

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4
Q

Mechanical vs Biological Vectors:
-Active transfer of parasites

A

Biological vectors

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5
Q

Mechanical vs Biological Vectors:
-NOT required for development of parasite

A

Mechanical vectors

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6
Q

Mechanical vs Biological Vectors:
-Required for development of parasite

A

Biological vectors

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7
Q

Insecta Physiology:
How many segments in the body?

A

3 - Head, Thorax, and Abdomen

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8
Q

TRUE or FALSE:
Insecta Physiology:
Insecta have antennae

A

TRUE

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9
Q

Insecta Physiology:
How many PAIRS of legs do insects have?

A

3 PAIRS (6 total legs)

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10
Q

TRUE or FALSE
Insecta Physiology:
Insecta usually have wings

A

TRUE

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11
Q

Which insect is responsible for killing more people that all the wars put together?

A

Mosquito

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12
Q

What are mosquitos responsible for transmitting?

A

-Malaria
-microfilariae Wuchereria bancrofti
-viruses like West Nile, dengue, and yellow fever

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13
Q

What fly causes African Sleeping Sickness?

A

Tsetse flies

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14
Q

What are flies responsible for transmitting?

A

-African Sleeping Sickness
-Leishmania
-Entamoeba histolytica

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15
Q

Scientific name for head lice

A

Pediculus humanus capitis

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16
Q

Scientific name for body lice

A

Pediculus humanus corporis

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17
Q

What type of life cycle do Pediculus humanus capitis and corporis go through?

A

Incomplete metamorphosis

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18
Q

How are head and body lice transmitted?

A

Person to person

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19
Q

What can body lice spread?

A

-epidemic typhus
-trench fever
-louse-borne relapsing fever

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20
Q

Scientific name for pubic lice

A

Phthirus pubis

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21
Q

What are the common names for Phthirus pubis?

A

-Pubic lice
-Crabs

22
Q

What life cycle does Phthirus pubis go through?

A

Incomplete metamorphosis

23
Q

How is pubic lice transmitted?

A

Person to person

24
Q

Where would you find Phthirus pubis?

A

-Pubic hair shaft
-eyelashes

25
Q

TRUE or FALSE:
Humans are the only known host for Phthirus pubis

A

TRUE

26
Q

Scientific name for human fleas

A

Pulex irritans

27
Q

What can human fleas transmit?

A

-Murine Typhus
-Bubonic Plague

28
Q

Scientific name for bed bugs

A

Cimex lectularius

29
Q

How are bed bugs attracted to their hosts?

A

-Primarily by carbon dioxide
-secondarily warmth
-certain chemicals

30
Q

Bed bugs are obligatory ____________

A

hematophagous

31
Q

Number of body fragments arachnida have

A

2 - thorax and abdomen

32
Q

Total number of legs arachnida have

A

8

33
Q

Scientific name for hard ticks

A

Dermacentor

34
Q

What diseases do ticks transmit? (4)

A

-Rocky Mountain Spotted Fever
-Tularemia
-Babesia
-Lyme disease

35
Q

What can the toxin from tick saliva cause?

A

Paralysis

36
Q

Scientific name for human scabies

A

Sarcoptes scabiei

37
Q

How is Sarcoptes scabiei transmitted?

A

Person to person

38
Q

Scientific name for Brown recluse spider

A

Loxosceles reclusa

39
Q

How do you identify the Loxosceles reclusa?

A

Fiddle mark on the top of their thorax

40
Q

Symptoms of being bit by a Loxosceles reclusa

A

-Necrotizing skin lesions
-Hemolytic anemia
-Jaundice
-Death

41
Q

Scientific name for the Black Widow spider

A

Latrodectus mactans

42
Q

Ways to identify the Latrodectus mactans

A

-Red hourglass on back or under abdomen
-Red dots or triangle on top of the abdomen

43
Q

The neurotoxin of which arachnida typically causes muscle pain, cramps, nausea, and sweating?

A

Latrodectus mactans

44
Q

Common name for Latrodectus mactans

A

Black Widow Spider

45
Q

Common name for Loxosceles reclusa

A

Brown recluse spider

46
Q

Common name for Sarcoptes scabiei

A

Human scabies

47
Q

Common name for Dermacentor

A

Hard tick

48
Q

Common name for Cimex lectularius

A

Bed bugs

49
Q

Common name for Pulex irritans

A

Human fleas

50
Q

Common name for Phthirus humanus capitis

A

Head lice

51
Q

Common name for Phthirus humanus corporis

A

Body lice

MLT-MLS Spring 2023 (25 decks)

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