exam pq Flashcards
Which agent is spread mechanically by the hog louse?
a. Mycoplasma
b. Anaplasma marginale
c. Bartonella qintana
d. Rickettsie prowazekii
a: mycoplasma
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.
b. To study diseases in population and of factors that determine their occurrence; the key
word being populations.
Which is/are vector(s) of Rickettsia felis?
a. All three
b. Xenopsylla cheopis
c. Ctenocephalides felis
d. d. Archaeopsylla erinacei
a. All three
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. Mechanical
Sensitivity is the probability that a truly…animal will be identified by the diagnostic test
as…
diseased and diseased
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. Anaplasma marginale – intrastadial
Specificity is the probability that a truly…animal will be identified by the diagnosis test as…
non diseases and non diseased
Which has a peak activity around early summer?
a. H. conncina
b. D. marginatus
c. D. reticulatus
d. H. inermis and H. punctata
a. H. conncina
What is the causative agent of DEBONEL?
a. Rickettsia slovaca and Rickettsia conorii
a. Rickettsia helvetica
b. Anaplasma marginale
c. Anaplasma phagocytophilum
a. Rickettsia slovaca and Rickettsia conorii
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. Dermacentor
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. H. inermis
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. It represents the fraction of existing cases in the population
What is the name of the new mosquito species in Europe?
a. Aedes albopictus
b. Aedes aegypti
c. Both
b. Aedes aegypti
- What is the most primitive blood feeding behavior of vectors?
a. Telmophagy
b. Solenophagy
c. Homophagy
a. Telmophagy
… 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
b. Vector capacity
Which is the mosquito borne pathogen?
a. Bartonella henselae
b. Yersinia pestis
c. West Nile Virus
c. West Nile Virus
Nowadays which is the invasive mosquito species in Europe?
a. Aedes egypti
b. Culex pipiens
c. Aedes albopictus
c. Aedes albopictus
These vectors can transmit the pathogen of bluetongue
a. Mosquitoes
b. Sandflies
c. Biting midges
c. Biting midges
This tick species is the most widespread in the world
a. Ixodes ricinus
b. Rhipicephalus sanguineus
c. Dermacentor reticulatus
b. Rhipicephalus sanguineus
Rh. sanguineus is a tick …
a. Endophilous
b. Exophilus
c. Nidiculous
a. Endophilous
What is the main vector of Crimean Congo Haemorrhagic Fever Virus in Eurasia?
a. Hyaloma marginuatum
b. Rhipicephalus sanguineus
c. a + b
a. Hyaloma marginuatum
Which is flea-borne pathogen in Europe?
a. Rickettsia felis
b. West nile virus
c. Chikungunya virus
a. Rickettsia felis
”Four poster” device is used for controlling
a. Mosquitoes
b. Hard ticks
c. Others
b. Hard ticks
Which is true for Ixodes ricinus?
a. Exophilic
b. ”Stays in the nest”
c. ”Hunting tick”
a. Exophilic
In which species does Anaplasma phagocytophilum occur?
a. Sheep
b. Human
c. Both
c. Both
The vectors of sandfly in Europe?
a. Anopheles spp.
b. Phlebotomus spp.
c. Cullicoides spp.
b. Phlebotomus spp.
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
c. The actual annual case number is probably much higher in Hungary than the reported
Lyme borreliosis case number
Please give the latin name of the asian tiger mosquito?
You need to write it: Aedes albopictus
What is the vector of toxcana virus?
a. Hard ticks
b. Mosquitoes
c. Sandflies
c. Sandflies
Hyalomma marginatum is a…host psecies.
a. One
b. Two
c. Three
B. Two
Brown dog tick is:
a. Hunting + Questing
b. Only hunting
c. Only questing
d. Passive
a. Hunting + Questing
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
b. TBE only spread by tick bite
Definition of prevalence?
It represents the fraction of existing cases in the population
Definition of epidemiology?
To study diseases in population and of factors that determine their occurrence; the key word
being populations
Definition of specificity?
Specificity is the probability that a truly non- diseased animal will be classified as non- diseased
Definition of sensitivity?
the probability that a truly diseased animal will be classified as diseaseed
how long for ixodes ricinus in its enviroment
can go one year without sucking blood
definition of incidence
is the number of new cases that occur in a known population over a specified period of time.
which mosquito virus pathogens
west wilw, dengu, zika, chikungunya, yellow fecer
reservoir of west nile wirus
birds
