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arthropod vectors elective > exam pq > Flashcards

exam pq Flashcards

1
Q

Which agent is spread mechanically by the hog louse?

a. Mycoplasma
b. Anaplasma marginale
c. Bartonella qintana
d. Rickettsie prowazekii

A

a: mycoplasma

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2
Q

What is the objective of epidemiology?

a. To study the occurrence of infectious diseases in populations.

b. To study diseases in population and of factors that determine their occurrence; the key
word being populations.

c. To build mathematical models for diseases occurrence in a population.

A

b. To study diseases in population and of factors that determine their occurrence; the key
word being populations.

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3
Q

Which is/are vector(s) of Rickettsia felis?
a. All three
b. Xenopsylla cheopis
c. Ctenocephalides felis
d. d. Archaeopsylla erinacei

A

a. All three

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4
Q

What kind of vectors are tabanids in the transmission of Anaplasma marginale?

a. Mechanical
b. Biological with transovarial transmission
c. Biological with stercorarian transmission
d. None of these

A

a. Mechanical

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5
Q

Sensitivity is the probability that a truly…animal will be identified by the diagnostic test
as…

A

diseased and diseased

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6
Q

Which agent is connected properly to its characteristic mode of transmission by hard ticks?

a. Anaplasma marginale – intrastadial
b. Anaplasma marginale – transovarial
c. Rickettsiae – intrastadial
d. Rickettsiae – stereovarian

A

a. Anaplasma marginale – intrastadial

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7
Q

Specificity is the probability that a truly…animal will be identified by the diagnosis test as…

A

non diseases and non diseased

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8
Q

Which has a peak activity around early summer?

a. H. conncina
b. D. marginatus
c. D. reticulatus
d. H. inermis and H. punctata

A

a. H. conncina

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9
Q

What is the causative agent of DEBONEL?

a. Rickettsia slovaca and Rickettsia conorii
a. Rickettsia helvetica
b. Anaplasma marginale
c. Anaplasma phagocytophilum

A

a. Rickettsia slovaca and Rickettsia conorii

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10
Q

In which tick genus does both the rectangular (in case of adult) and in case of nymph, basis
capitali occur?

a. Dermacentor
b. Ixodes
c. Haemaphysalis
d. Rhipicephalus

A

a. Dermacentor

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11
Q

Which of the Haemophysalis species that shows increasing importance in several European
countries, and carries Rickettsia helvetica with higher prevalence that the known vector of the
latter?

a. H. inermis
b. H. sulcata
c. H. conncina
d. H. punctata

A

a. H. inermis

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12
Q

What is prevalence?

a. It represents the fraction of existing cases in the population
b. The probability that the diagnostic test result of a truly diseased animal will be positive
c. The probability that the diagnostic test result of a truly non-diseased animal will be
negative

A

a. It represents the fraction of existing cases in the population

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13
Q

What is the name of the new mosquito species in Europe?
a. Aedes albopictus
b. Aedes aegypti
c. Both

A

b. Aedes aegypti

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14
Q
  1. What is the most primitive blood feeding behavior of vectors?

a. Telmophagy
b. Solenophagy
c. Homophagy

A

a. Telmophagy

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15
Q

… is the overall ability of a vector species in a given location at a specific time to transmit
a pathogen.
a. Vector activity
b. Vector capacity
c. Vector competence

A

b. Vector capacity

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16
Q

Which is the mosquito borne pathogen?
a. Bartonella henselae
b. Yersinia pestis
c. West Nile Virus

A

c. West Nile Virus

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17
Q

Nowadays which is the invasive mosquito species in Europe?

a. Aedes egypti
b. Culex pipiens
c. Aedes albopictus

A

c. Aedes albopictus

18
Q

These vectors can transmit the pathogen of bluetongue
a. Mosquitoes
b. Sandflies
c. Biting midges

A

c. Biting midges

19
Q

This tick species is the most widespread in the world

a. Ixodes ricinus
b. Rhipicephalus sanguineus
c. Dermacentor reticulatus

A

b. Rhipicephalus sanguineus

20
Q

Rh. sanguineus is a tick …

a. Endophilous
b. Exophilus
c. Nidiculous

A

a. Endophilous

21
Q

What is the main vector of Crimean Congo Haemorrhagic Fever Virus in Eurasia?

a. Hyaloma marginuatum
b. Rhipicephalus sanguineus
c. a + b

A

a. Hyaloma marginuatum

22
Q

Which is flea-borne pathogen in Europe?

a. Rickettsia felis
b. West nile virus
c. Chikungunya virus

A

a. Rickettsia felis

23
Q

”Four poster” device is used for controlling

a. Mosquitoes
b. Hard ticks
c. Others

A

b. Hard ticks

24
Q

Which is true for Ixodes ricinus?

a. Exophilic
b. ”Stays in the nest”
c. ”Hunting tick”

A

a. Exophilic

25
Q

In which species does Anaplasma phagocytophilum occur?

a. Sheep
b. Human
c. Both

A

c. Both

26
Q

The vectors of sandfly in Europe?

a. Anopheles spp.
b. Phlebotomus spp.
c. Cullicoides spp.

A

b. Phlebotomus spp.

27
Q

Which statement is true regarding Borrelia burgdorferi sensu lato?

a. It is not present in North-America.
b. It is a Gram-negative coccus.
c. The actual annual case number is probably much higher in Hungary than the reported
Lyme borreliosis case number

A

c. The actual annual case number is probably much higher in Hungary than the reported
Lyme borreliosis case number

28
Q

Please give the latin name of the asian tiger mosquito?

A

You need to write it: Aedes albopictus

29
Q

What is the vector of toxcana virus?

a. Hard ticks
b. Mosquitoes
c. Sandflies

A

c. Sandflies

30
Q

Hyalomma marginatum is a…host psecies.

a. One
b. Two
c. Three

A

B. Two

31
Q

Brown dog tick is:

a. Hunting + Questing
b. Only hunting
c. Only questing
d. Passive

A

a. Hunting + Questing

32
Q

What is true regarding Tick-born encephalitis (TBE)?

a. You take a human vaccine only one time to prevent it
b. TBE only spread by tick bite
c. More often diagnosed in Hungary than some other countries

A

b. TBE only spread by tick bite

33
Q

Definition of prevalence?

A

It represents the fraction of existing cases in the population

34
Q

Definition of epidemiology?

A

To study diseases in population and of factors that determine their occurrence; the key word
being populations

35
Q

Definition of specificity?

A

Specificity is the probability that a truly non- diseased animal will be classified as non- diseased

36
Q

Definition of sensitivity?

A

the probability that a truly diseased animal will be classified as diseaseed

37
Q

how long for ixodes ricinus in its enviroment

A

can go one year without sucking blood

38
Q

definition of incidence

A

is the number of new cases that occur in a known population over a specified period of time.

39
Q

which mosquito virus pathogens

A

west wilw, dengu, zika, chikungunya, yellow fecer

40
Q

reservoir of west nile wirus

A

birds

arthropod vectors elective (1 decks)

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