Quiz
Epidemiology MCQs Final- 5th Year PMU
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Questions in this quiz (165)
1No subclinical infections is present in
- APolio
- BMumps
- CChicken Pox
- DHepatitis A
2The typical form for polio
- AInapparent
- BAbortive
- CNon-abortive
- DParalytic
3Which of the following is the most dangerous transmission of plague
- ABlocked Flea
- BPartial Flea
- CBoth
- DUnblocked Flea
4All of the following are transmitted by Aedes aegypti EXCEPT
- ADengue hemorrhagic fever
- BChikungunya fever
- CRift valley fever
- DJapanese encephalitis
5Tetanus can be prevented by which of the following
- AActive immunization with tetanus toxoid every 5-10 years
- BUnproper treatment of contaminated wounds
- CConsider passive immunization with hyperimmune globulin
- DAll of the following
6Which of the following situations represents the best example of passive immunity
- Aa child receiving a vaccination for measles
- Ban infant receiving breast milk from the mother
- Cproduction of antibodies by a person with infection
- Da person receiving antibodies for an infection
7Hand hygiene is a vital part of Infection Control because
- AThe most common mode of transmission is via germs on the hands
- BThere is an increased number of infections acquired in health care
- CAnti microbial infections are increasing
- DAll of the above
8Vaccines are available for all of the following EXCEPT
- AHepatitis A
- BHepatitis B
- CHepatitis C
- DTetanus
- EMeasles
9Rat flea is a vector for all of the following diseases except
- AEndemic typhus
- BPlagues
- CLeptospirosis
- DEpidemic Typhus
10Koplik spots are pathognomic of
- AMumps
- BMeasles
- CDiptheria
- DTyphoid
11Basic cycle of Epidemic of Bubonic Plague (Orissa 2003)
- ACommensal rat - Rat fleas - Man
- BWild rats - Flea - man
- CWild rodents - Man
- DMan - Man
12The highest efficiency of transmission of AIDS is seen in
- AInfected mother to child
- BHeterosexual transmission
- CIntravenous drug users
- DContaminated drug abusers
13Which dose of cell culture vaccine is used as pre-exposure prophylaxis of rabies
- ASingle Dose
- B5 doses
- C7 doses
- D3 doses
14An attenuated vaccine is composed of
- Akilled microorganisms
- Bliving weakened microorganism
- Cinactivated bacterial toxins
- Dpurified macromolecules
- Erecombinant vectors
15The term bacteriostatic means
- Aliving
- Bdead
- Cinhibits microbial growth and leaves residual film
- Dkills microbes
16Immunocompromised patients are targeted by
- Aparasite
- Bopportunistic microorganism
- Cpathogen
- Dflagellum
17Causative organism for bubonic plague is
- AYersinia pestis
- BXenopsylla cheopis
- CXenopsylla astia
- Drattus rattus
18No subclinical cases are seen in
- ARabies
- BAIDS
- CPolio
- DCholera
19The most effective concentration of alchohol is
- A30%
- B50%
- C70%
- D90%
20A vaccine that contains parts of virus is called
- ASubcellular
- BSubunit
- CRecombinant
21The process of destroying all microorganisms, including spores is known as
- Aasepsis
- Bsterilization
- Csepsis
22The usual incubation period of Pertussis is
- A7-14 days
- B3-5 days
- C21 - 25 days
23Isolation is not carried in one of the following
- APlague
- BCholera
- CAIDS
- DChickenpox
24Which of the following is true of Chicken pox
- AVirus is not found in scabs
- BVirus can be grown on chick embryo
- CCaused by RNA virus
- DDoes not cross the placental barrier
25Herd immunity is not important in
- ATetanus
- BPertussis
- CDiptheria
- DAll
26Maternal antibodies are not protective in
- ATetanus
- BDiptheria
- CPertussis
- DAll
27Infectivity of chickenpox is seen up to
- AAs long as patient has fever
- B3 days after the appearance of rash
- CTill the scab falls
28Risk of the damage of fetus by maternal rubella is maximum if mother gets infected in
- A6-12 weeks of pregnancy
- B20-24 weeks of pregnancy
- C24-28 weeks of pregnancy
29Both active and passive vaccination can be given together in all EXCEPT
- ADiptheria
- BTetanus
- CRabies
- DHepatitis A
30Immunisation against pertussis is carried out on
- A2 months
- B3 months
- C2 & 3 months
- D2, 3 & 4 months
31Source of infection can be
- Aa person
- Bwater
- Cfood
- Dcontaminated food
32The vaccine against polio is
- Akilled
- Banatoxin
- Clive
- Drecombinant
33Water is a factor of transmission
- Afever
- Bshigellosis
- Chepatitis b
- Dornithosis
34In Greece dengue
- Ahas not been registered
- Bis registered with over 25,000 diseased
- Conly sporadic cases
- Dis a topic of discussion
35The salmonella bacteria are transmitted from the source of infection by
- Aspeech
- Bblood
- Curine and feces
- Donly through feces
36Specific vectors of Q fevers are
- Abody lice
- Bhuman fleas
- Cmosquitos
- Dticks
37Smallpox (variolla) is an infection that is
- Aeradicated
- Beliminated
- Creduced
- Dsoon to be eracticated
38Source of infection of ECHO and Coxsackie virus infections are
- Aonly sick people
- Bonly sick animals
- Cpeople sick or carriers
- Dsick people and animals
39The contacts of people suffering from varicella that are under 7 y.o. gets monitored for
- A5 days
- B10 days
- C14 days
- D21 days
40Citizens arriving from countries infected with Cholera are observation
- A5 days
- B7 days
- C10 days
- D20 days
41Vector of Dengue is
- APediculus vestiment
- BAedes aegypti
- CIxodes
- DAnopheles
42Source of infection of Tularemia
- ASick man
- BSick animals
- CMan contaminants
- DSick men and animals
43Colienteritis are characterized by
- Asummer season
- Bautumn season
- Cno seasonality
- Dwinter seasonal
44It is recommended influenza immunization to be done
- Aaugust
- Boctober
- Cannouncing the flu epidemic
- Dall year round
45Effective immunoprophylaxis against Japanese encephalitis is carried out with
- Akilled vaccine
- Bassociated vaccine
- Clive vaccine
- Dno vaccine
46The incubation period for Salmenolloisis most often is
- Afrom 10-20 days
- B5 to 10 days
- Cfrom 1-3 days
- D1 month
47In collective quarantine in case of Scarlet fever is
- A5 days
- B14 days
- C7 days
- D21 days
48Tetanus classified
- Arespiratory infection
- Broof infection
- Cblood infection
- Dintestinal infection
49The least toxic insectoides are
- Acarbamates
- Bcholorganic
- Cphosphorous organic
- Dpyrethroids
50Mechanism of transmission of cholera
- Aair droplet
- Bfecal oral
- Ctransmissive
- Droofing
51Suffered from Typhus abdominalis are dispensaries for
- A3 months
- B6 months
- C10 months
- D1 year
52Major source of contamination in Brucellosis are
- Arodents
- Bdomestic animals (sheep, cows, goats)
- Cwild animal
- Dpeople
53Immunization against Rubella is carried out on
- A4 months
- B13 months
- C24 months
- Dit is not obligatory and applies only desire regardless of age
54The most common form of meningococcal infection is
- Ameningococcal nasopharagitis
- Bmeningococcal tonsilitis
- Cmeningococcal meningitis
- Dhealthy meningococcal infection
55Entrance door with Scarlet fever is
- Adamage skin
- Bvisible mucous membranes
- Cmucous membrane of URT
- Dbackpack formed by blood-sucking insects
56Ticks are specific carriers of
- AFebris flava
- BLyme Borieliosis
- CDengue
- DPlague
57For hygienic hand disinfection apply
- ABleach
- BChlorine
- CPerhydol
- DManusterol
58Objects from the external environment are factors of transmission in
- Ablood borne way
- Bcontact bit way
- Cwater way
- Dsexual way
59The most wide spread of febris flava is in
- AAfrica
- BAsia
- CEurope
- DEurasia
60Reservoir for Marseille fever is [blank_start]Rhipicephalus sanguineus (Dog Tick)[blank_end]
- ARhipicephalus sanguineus (Dog Tick)
61The main factor for transmission of cholera is
- Aair
- Bwater
- Csoil
- Dalimentary products
62 The object of the epidemiology of infectious diseases is
- Ainfectious process
- Bepidemic process
- Csource of infection
- Dsocial factor
63Source of infection for the infectious diseases may be
- Apeople
- Bmosquito
- Cflea
- Dall the three above
64The preparation for disinfection “Hibitan” is from the group
- Aalcohols
- Bbiguanides
- Cchlorine-containing
- Doxydizers
65The leading factor(s) for distribution of nosocomial infections is (are)
- Ahands of healthcare workers
- Bmosquitoes
- Cair
- Dblood products
66The re-immunization against measles in Bulgaria is on
- A7 years
- B11 years
- C12 years
- D17 years
67 The etiology agent of scarlet fever is
- Avirus
- Brickettsia
- Cchlamydia
- Dbacteria
68The source of infection for AIDS are
- Abirds
- Bpeople
- Cmonkeys
- Dpeople and monkeys
69 What is the mechanism of transmission for salmonellosis
- Aair-borne
- Bfecal-oral
- Cby insects
- Dof the external envelopes
70The dispensary surveillance for hepatitis A is
- A1 month
- B3 months
- C12 months
- D24 months
71Source of infection for shigellosis are
- Aanimals
- Bpeople and animals
- Cpeople
- Dbirds
72The contacts of an ill with hepatitis A are under medical surveillance for
- A7 days
- B15 days
- C20 days
- D45 days
73The re-immunization against tuberculosis in Bulgaria is on
- A5 years
- B7 years
- C15 years
- D20 years
74The etiology agent of measles is
- Avirus
- Bbacteria
- Cchlamydia
- Dspirochete
75The source of infection for meningococcal infection is
- Athe ill man only
- Bsick animals only
- Cthe man – as sick or carrier
- Dsick people and animals
76The re-immunizations against poliomyelitis in Bulgaria are on
- A13 month, 24 month, 11 years
- B16 months and 6 years
- C24 months, 7 years, 11 years
- D24 months, 7 years, 12 years
77The artificially acquired active immunity is created after
- Aapplication of a vaccine
- Bapplication of serum
- Csuffering from some disease
- Dtransmitted from mother to baby
78Secondary driving force of the epidemic process is
- Athe etiology agent
- Bthe susceptibility of the population
- Cthe social factor
- Dthe mechanism of transmission
79 The epidemiology of the infectious diseases studies
- Aviral hepatitis
- Bhypertonia
- Culcer
- Dechinococcus
80Chemical sterilization may be done with
- Achloramine
- Bmanusterol
- Cethylene oxyde
- Dnatrium hypochloridi
81Port of entrance for poliomyelitis is (are)
- Aonly mucosa of nasopharynx
- Bonly intestinal mucosa
- Cnaso-pharyngeal and intestinal mucosa
- Dintestinal mucosa and skin
82 The main route of transmission for S. dysenteriae is
- Aperson-to-person contact
- Bwater-borne
- Calimentary
- Dblood-borne
83Anthroponose infectious diseases are these with source of infection
- Aanimals
- Brodents
- Cpeople
- Dfleas
84The rats may be source of infection for
- Aviral hepatitis
- Bsalmonellosis
- Ccholera
- Dcholera and salmonellosis
85Risk group for Crimean-Congo hemorrhagic fever are
- Aseamen
- Balimentary workers
- Cstockmen
- Dbuilding workers
86The preparation for disinfection “perhydrol” (hydrogen peroxide 30%) is from the following chemical group
- Aaldehydes
- Boxidizing agents
- Calcohols
- Dphenols
87Spores of microorganisms are destroyed by
- Achloramine
- Bmanusterol
- Csterilium
- Dglutaraldehyde
88Source of infection for hepatitis B are
- Adiseased animals
- Bonly diseased people
- Cdiseased people and carriers
- Danimals and people
89 It is recommended the immunization against influenza to be done
- A2 times in the year
- Bevery year
- C1 time for five years
- D1 time for three years
90The contact to rubella children, aged less than 7 years, who have not passed
the disease and who are not immunized, are under medical surveillance for- A5 days
- B9 days
- C14 days
- D20 days
91After wounding it is applied
- A0.5 ml tetanus toxoid
- B1 ml tetanus toxoid
- C0.1 ml tetanus toxoid
- D2 ml tetanus toxoid
92Specific location of vibrio cholera is
- Amouth
- Bmucosa of small intestine
- Cstomach
- Dmucosa of large intestine
93Persons from risk groups, who are convalescent carriers of salmonellosis, are allowed to work after
- A7 days and 2 (-) results
- B15 days and 2 (-) results
- C15 days and 3 (-) results
- D20 days and 3 (-) results
94Re-immunization against pertussis in Bulgaria is done on
- A10 month
- B13 month
- C6 years
- D11 years
95With disinfection we do destruction of
- Apathogenic microorganisms
- Bspores
- Cvegetative forms and spores
- Dnon of the three
96The definition for epidemic process is
- Aprocess with source of infection a man
- Binteraction between macro- and microorganisms on the level of the population
- Cinteraction between macro- and microorganisms on individual level
- Dinteraction between sick people and animals
97The epidemic measures against the contact children to measles, less than 7
years, who have not passed the disease and are not immunized, are- Asurveillance for 10 days
- Bsurveillance for 21 days
- Capplication of immune-globulin and surveillance for 10 days
- Dapplication of immune-globulin and surveillance for 21 days
98 The air is main factor for infection transmission of
- Asalmonellosis
- Bleptospirosis
- Crubella
- Dshigellosis
99The protective titer of antibodies against rubella (reaction inhibition d’hemagglutination) is
- A1:4
- B1:8
- C1:16
- D1:32
100As nosocomial infection may arise
- AHemorrhagic fever with renal syndrome
- BBotulism
- CCrimean-Congo hemorrhagic fever
- DRabies
101The vaccine against poliomyelitis, used in Bulgaria, is
- Ainactivated
- Btoxoid
- Clive
- Drecombinant
102 Salmonella bacteria are excreted from the source of infection with
- Aair sputters
- Bblood
- Cfeces and urine
- Donly with feces
103Which of the following regiments is the right for the dry sterilizer
- A120 °С - 2 h
- B190 °С - 30 min
- C160 °С - 2 h
- D150 °С - 1 h
104The preparation “glutaraldehyde” is used for
- Asanitation of objects
- Bsanitation of hands
- Conly for disinfection
- Ddisinfection and sterilization
105 Viral hepatitis A is transmitted by the following mechanism
- Aair-borne
- Bof the external envelopes
- Cvector-borne
- Dfecal-oral
106In autoclave can not be sterilized
- Ametal instruments
- Bcotton tampons
- Ctextiles
- Dleather materials
107The vaccine against diphtheria in Bulgaria is
- Alive
- Binactivated
- Crecombinant
- Dtoxoid
108 The alimentary products are factor for transmission of
- Arubella
- Bvaricella
- Ctetanus
- Dsalmonellosis
109The diseased with diphtheria are discharged after the following negative results from the microbiological test for carriage
- A1 (-) test
- B2 (-) tests
- C3 (-) tests
- D4 (-) tests
110Human Influenza viruses are divided on the following serotypes
- AА and В
- BА, В and С
- CА, В, С and D
- DА, В, С, D and Е
111Secondary driving force of the epidemic process is
- Athe etiology agent of the disease
- Bthe natural factor
- Cthe susceptibility of the population
- Dthe source of infection
112 The preparation for disinfection “Hibiscrub” is used for
- Asurgical disinfection of the hands
- Butensils
- Csurfaces
- Dinstruments
113In Bulgaria the vaccine against tuberculosis is
- Arecommended
- Broutine
- Cthere isn’t effective vaccine
- Dforbidden for use
114The source of infection for scarlet fever is
- Asick animals
- Bsick people
- Canimals – carriers
- Dpeople and animals
115Poliomyelitis viruses are
- Aone type
- Btwo types
- Cthree types
- Dfour types
116 AIDS is not transmitted by one of the following routes
- Ablood-borne
- Bsexual
- Cvertical
- Dperson-to-person contact
117The mechanism of transmission for varicella is
- Afecal-oral
- Bair-borne
- Cvector-borne
- Dof the external envelopes
118The epidemic measures against the contact with measles children, less than 7 years, who have not passed the disease and are not immunized, are as follows
- Asurveillance for 7 days
- Bsurveillance for 17 days
- Cimmunization and surveillance for 17 days
- Dimmune-globulin and surveillance for 10 days
119 The usual concentration of chlorine is
- A3 % water solution
- B10 % water solution
- C1 % water solution
- D5 % water solution
120The soil is a factor for transmission of
- AAIDS
- BTetanus
- CRubella
- DSalmonellosis
121The alimentary products are factor for transmission of
- AHepatitis B
- BAIDS
- CBotulism
- DMeasles
122 The main route for infection transmission of Shigellosis Flexneri is
- Awater-borne
- Bperson-to-person contact
- Cblood-borne
- Dalimentary
123The route for infection transmission of hepatitis B is
- Asexual
- Bvertical
- Cparenteral
- Dall the three are possible
124When a carriage continues more than 6 months, it is named
- Aacute
- Bsub-acute
- Cchronic
- Dconvalescent
125The vaccine against scarlet fever is
- Alive
- Binactivated
- Ctoxoid
- Dthere is not effective vaccine for the moment
126 The sources of infection for measles are
- Adiseased people
- Bpeople - carriers
- Cdiseased animals
- Dall of the three mentioned
127 The sources of infection for enteroviral infections are
- Adiseased animals
- Banimals - carriers
- Conly diseased people
- Dpeople – diseased and carriers
128The incubation period for cholera is
- A10 days
- B20 days
- C5 days
- D1 day
129The vaccine against pertussis is
- Alive
- Binactivated
- Ctoxoid
- Dacellular
130 In the environment HIV-virus is
- Ahighly resistant
- Bnon resistant
- Cmedium resistant
- Dresistant for 10 days
131The dispensary surveillance for hepatitis B is for
- A6 months
- B3 months
- C2 years
- D1 month
132The diseased with varicella are isolated for
- A10 days
- B15 days
- C21 days
- Dto the scab of the rash
133The water is a factor for transmission of
- AQ-fever
- BFoot-and-mouth disease
- CTetanus
- DHepatitis A
134The convalescent carriers of salmonellosis from risk groups are under dispensary surveillance for
- A1 month
- B3 months
- C6 months
- D1 year
135Which is the right regimen for autoclave
- A121 °С (1 atm) - 30 min
- B150 °С - 2 atm. - 20 min
- C145 °С - 2 atm. - 15 min
- D110 °С - 0.5 atm. - 30 min
136The vaccine against influenza is
- Aobligatory
- Brecommended
- Cnot at all provided
- Droutine
137The dental consulting room is a risk place for
- AViral hepatitis B, C and HIV
- BRabies
- CLyme disease
- DTularemia
138The surfaces are disinfected with
- Aonly rubbing
- Bwashing
- Crubbing and spraying
- Dautoclave
139Lints and cotton tampons are sterilized with
- Adry sterilizer
- Bautoclave
- Cultraviolet rays
- Dhibitan
140Risk group for influenza are
- Ahealthcare workers
- Bworkers with foods
- Chunters
- Dstockmen
141The vaccine against tetanus is
- Alive attenuated
- Btoxoid
- Cinactivated
- Drecombinant
142The isolation of a patient with shigellosis from risk group continues to
- Aone
- Btwo
- Cthree
- Dfour (-) results from the microbiological test
143The vaccine against hepatitis B is
- Alive attenuated
- Binactivated
- Crecombinant
- Dtoxoid
144The port of entrée for mumps is
- Aintestinal mucosa
- Bwounded skin
- Crespiratory mucosa
- Dthe place of tick bite
145The natural factor is with the greatest importance for the following
infections- Aair-borne
- Bintestinal
- Cvector-borne
- Dof the external envelopes
146Life-long carriage may be observed after
- Arubella
- Bhepatitis B
- Chepatitis А
- Dcholera
147Primary driving force of the epidemic process is
- Asocial factor
- Bnatural factor
- Csource of infection
- Dmigration of the population
148The sources of infection for meningococcal infection are
- Abirds
- Bonly diseased people
- Cdomestic animals
- Dpeople – diseased and carriers
149Sources of infection for salmonellosis may be
- Ainfected people
- Binfected fish
- Cinfected rodents
- Dall of the three
150The dental instruments are sterilized with
- Achlorine preparations
- Bburning
- Cpreparations–oxidizers
- Dautoclave
151The sources of infection for cholera are
- Aonly diseased people
- Bdiseased animals
- Canimals – carriers
- Dpeople – diseased and carriers
152Primary driving force(s) of the epidemic process is (are)
- Apeople
- Banimals
- Cmechanism of infection transmission
- Dall the three
153 Тhe mechanism of transmission of the infection takes place in
- A1 phase
- B2 phases
- C3 phases
- D4 phases
154Аccording to the immunization calendar of Bulgaria, the hepatitis B vaccine is administered with
- A1 dose
- B2 doses
- C3 doses
- D4 doses
155Nosocomial infections occur in
- Apatients in outpatient care
- Bhospitalized patients
- Cprophylactic examinations
- Dall the three
156The source of infection for cholera is (are)
- Ainfected people
- Bcontaminated water
- Ccontaminated food
- Dall three
157Diphtheria may be transmitted by the following mechanism
- Aair-borne mechanism
- Bperson-to-person contact
- Calimentary
- Dall three
158 Source of infection for measles may be
- Aonly ill people
- Bpeople – ill and carriers
- Cinfected air
- Dinfected people and animals
159 The vertical transmission is not possible for
- Avaricella
- Brubella
- Cmeasles
- Dhepatitis B
160 Spermatogenesis can be impaired in
- Arubella
- Bmeasles
- Cmumps
- Drubella and mumps
161Which of the vaccines is not included in the immunization calendar of Bulgaria
- Aagainst tuberculosis
- Bagainst hepatitis B
- Cagainst hepatitis A
- Dagainst pertussis
162 Meningococcal infection is transmitted by
- Ablood transfusion
- Bair-borne mechanism
- Cvertical mechanism
- Dall three
163Hepatitis E virus is with
- A1 genotype
- B2 genotypes
- C3 genotypes
- D4 genotypes
164ECHO- and Coxsckie- viruses may be transmitted by
- Avertically
- Bair-borne mechanism
- Cfecal-oral mechanism
- Dair-borne and fecal-oral mechanism
165Source of infection for HIV/AIDS may be
- Ainfected people
- Binfected monkeys
- Cinfected bats
- Dall three
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- Medicine Infectious Diseases, Epidemiology, Parasitology & Tropical Quiz on Epidemiology MCQs Final- 5th Year PMU, created by Med Student on 05/06/2020.
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- Med Student
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- Created on 5 Jun 2020 · updated on 10 Jun 2020
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