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Para 3 > Arthropods as Vectors > Flashcards

Arthropods as Vectors Flashcards

1
Q
  1. {} metamorphosis is characterized by four main stages: the egg, larva, pupa, and adult.
A

Complete|complete

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2
Q
  1. Arthropod vectors consume _____ of everything humans produce.
    a. ¼
    b. ⅓
    c. ½
    d. ⅕
A

b. ⅓

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3
Q
  1. Which of the following is true about mechanical transmission?
    a. Disease agents use arthropods as carriers.
    b. Disease agents do not reproduce while on the arthropod carrier.
    c. Disease agents do not develop while on the arthropod carrier.
    d. All of the above
A

d. All of the above

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4
Q
  1. Which is NOT one of the categories of biological transmission?
    a. Propagative Transmission
    b. Cyclopropagative Transmission
    c. Transovarial Transmission
    d. Telmophagic Transmission
A

d. Telmophagic Transmission

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5
Q
  1. Propagative transmission involves reproduction but no development.
    a. True
    b. False
A

a. True

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6
Q
  1. What is the primary route of infection for Lyme disease?
    a. Ticks acquire the pathogen from their reservoir, the white footed mouse, and then these ticks infect humans
    b. Ticks acquire the pathogen from their reservoir, white tailed deer, and then these ticks infect humans
    c. Ticks must feed on both white tailed deer and white footed mice before passing on the pathogen to humans
    d. None of the following because Lyme Disease is not a zoonotic infection
A

a. Ticks acquire the pathogen from their reservoir, the white footed mouse, and then these ticks infect humans

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7
Q
  1. Plasmodium spp. uses cyclodevelopmental transmission.
    a. True
    b. False
A

b. False

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8
Q
  1. Arthropod and arthropod-borne disease agents utilize all of the following modes of entry/infection EXCEPT:
    a. Injection
    b. Skin penetration
    c. Feeding site entry
    d. All of the answers are modes of entry/infection
    e. Inhalation
A

d. All of the answers are modes of entry/infection

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9
Q
  1. Zoonotic disease is when disease agents are naturally transmitted between vertebrate animals and human.
    a. True
    b. False
A

a. True

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10
Q
  1. Insects use malpighian tubules for excretory purposes.
    a. True
    b. False
A

a. True

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11
Q
  1. Insects use their thorax for which of the following
    a. locomotion
    b. digestion
    c. sensory
    d. A and C
A

a. locomotion

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12
Q
  1. Cockroaches do NOT have a pupal stage.
    a. True
    b. False
A

a. True

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13
Q
  1. Insects that undergo complete metamorphosis do NOT have wings.
    a. True
    b. False
A

b. False

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14
Q
  1. Adult insect use their mouthparts to do all EXCEPT
    a. Crushing-chewing
    b. Piercing-sucking
    c. Piercing-tearing
    d. Cutting-sponging
A

c. Piercing-tearing

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15
Q
  1. Adult insect with sponging mouthparts can only use liquid food.
    a. True
    b. False
A

a. True

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16
Q
  1. Horse fly use which type of mouthpart
    a. Crushing-chewing
    b. Piercing-sucking
    c. Cutting-sponging
    d. Piercing-tearing
A

c. Cutting-sponging

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17
Q
  1. The stylus consists of mandibles, maxillae, labrum, and hypopharynx.
    a. True
    b. False
18
Q
  1. How long do solenophagic feeders take to feed?
    a. 5-7 seconds
    b. 1 minute
    c. 3-5 seconds
    d. 5-7 minutes
A

c. 3-5 seconds

19
Q
  1. Of the two types of piercing-sucking mouthparts, piercing-sucking 1 is less common.
    a. True
    b. False
20
Q
  1. Eggs of Anopheles are laid singly on water with floats.
    a. True
    b. False
21
Q
  1. Human filariasis can have/be
    a. multiple mosquito vectors
    b. periodic
    c. subperiodic
    d. all of the answers
A

d. all of the answers

22
Q
  1. Culex and Anopheles are periodic.
    a. True
    b. False
23
Q
  1. Multiple serotype infections results in
    a. Dengue fever
    b. Dengue hemorrhagic fever
    c. Both of the above
    d. None of the above
A

b. Dengue hemorrhagic fever

24
Q
  1. Primary vector of West Nile Virus is
    a. Anopheles
    b. Culex
    c. Aedes
    d. Mansonia
25
Q
  1. Non-biting Diptera include which of the following examples? Click all that apply.
    a. Musca domestica
    b. 0157:H7 E. coli –>This is NOT a diptera vector, it is a bacterium: refer to the slide
    c. blow flies
    d. all of the above
A

c. blow flies

a. Musca domestica

26
Q
  1. Of the following four choices, which is the least important structure of insect internal anatomy with regard to pathogen development?
    a. The midgut
    b. Salivary glands
    c. Reproductive system
    d. Open circulatory system
A

d. Open circulatory system

27
Q
  1. What is the biggest difference between simple metamorphosis and complete metamorphosis?
    a. In simple metamorphosis, the habitat and food are the same for the immature and adult forms, but this is not so for complete metamorphosis.
    b. In complete metamorphosis, the habitat and the food are the same for the immature and adult forms, but this is not so for simple metamorphosis.
    c. Simple metamorphosis involves four stages, while complete metamorphosis involves only three stages.
    d. None of the above
A

a. In simple metamorphosis, the habitat and food are the same for the immature and adult forms, but this is not so for complete metamorphosis.

28
Q
  1. Of the Diptera, the only tube feeders are which of the following?
    a. mosquitoes and tabanid flies
    b. mosquitoes and sandflies
    c. sand flies and black flies
    d. tsetse flies and mosquitoes
A

b. mosquitoes and sandflies

29
Q
  1. What is the significance of non-biting Diptera?
    a. These insects are problems in their immature forms when mechanically transmitting pathogens.
    b. These insects have an especially unusual life cycle that affects how they interact with the parasite
    c. These insects exhibit multiple methods of feeding
    d. None of these
A

a. These insects are problems in their immature forms when mechanically transmitting pathogens.

30
Q
  1. Which of the following acarine mouthparts is incorrectly defined?
    a. Hypostomes produce anticoagulants
    b. Chelicerae are used for digging into the host’s skin
    c. Pedipalps are sensory structures
    d. All of these are defined correctly
A

a. Hypostomes produce anticoagulants

31
Q
  1. What is the main distinction between insects and acarines?
    a. Insects have 3 body parts, acarines have 2
    b. Acarines have 3 body parts, insects have 2
    c. Mosquito larva have 6 legs, but those of acarines do not
    d. They are differentiated by their life cycles
A

a. Insects have 3 body parts, acarines have 2

32
Q
  1. Which of the following is NOT transmitted by arthropods?
    a. Malaria
    b. West Nile virus
    c. Chagas disease
    d. Giardia
A

d. Giardia

33
Q
  1. Which arthropod transmits Chagas’ disease?
    a. Reduviidae-assassin bugs
    b. Cimicidae
    c. Mosquitoes
    d. Tsetse flies
A

a. Reduviidae-assassin bugs

34
Q
  1. All of the following are parts of the stylus except:
    a. Maxillae
    b. Labrum
    c. Hypopharynx
    d. All of the above are parts of the stylus.
A

d. All of the above are parts of the stylus.

35
Q
  1. Match the correct egg laying technique with the appropriate organism.
    [Eggs laid in rafts on water with no floats] 1. Eggs of Culex
    [Eggs laid singly on dry surface with no floats] 2. Eggs of Aedes
    [Eggs laid singly on water with floats] 3. Eggs of Anopheles
A

[Eggs laid in rafts on water with no floats] 1. Eggs of Culex
[Eggs laid singly on dry surface with no floats] 2. Eggs of Aedes
[Eggs laid singly on water with floats] 3. Eggs of Anopheles

36
Q 
36. Match the correct mouth type with the appropriate organism.
[Crushing-chewing] 1. Cockroaches
[Sponging] 2. Blow Fly
[Cutting-sponging] 3. Horse fly
[Piercing-sucking1] 4. Mosquito
[Piercing-sucking2] 5. Tsetse Fly
A 
[Crushing-chewing] 1. Cockroaches
[Sponging] 2. Blow Fly
[Cutting-sponging] 3. Horse fly
[Piercing-sucking1] 4. Mosquito
[Piercing-sucking2] 5. Tsetse Fly
37
Q
  1. Diptera undergo {} metamorphosis.
38
Q
  1. Besides their insect vectors, all of the following are ways that an individual may contract Chagas’ Disease, EXCEPT:
    a. ingestion of contaminated food
    b. infected blood transfusion
    c. from mother to fetus
    d. All are viable methods of transmission
A

a. ingestion of contaminated food

39
Q
  1. Which of the following can the West Nile Virus infect?
    a. Dogs
    b. Humans
    c. Squirrels
    d. All of the above
A

d. All of the above

40
Q
  1. Tabanid flies are responsible for the mechanical transmission of all of the following EXCEPT:
    a. anthrax
    b. tularemia
    c. surra
    d. anaplasmosis
    e. All of the above are transmitted
A

e. All of the above are transmitted

41
Q
  1. {} attach and feed on the host for 20-30 minutes while {} attach and feed for days.
A

Argasid ticks | Soft ticks

Ixodid ticks | Hard ticks

42
Q
  1. In mosquitoes (Culicidae), __________ feed on plant juices, while _____________ suck blood and are thus called _____________.
    a. females; males; telmophagic
    b. males; females; solenophagic
    c. females; males; hematophagic
    d. males; females; sarcophagic
A

b. males; females; solenophagic

Para 3 (5 decks)

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