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EPI MCQS

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pmu epi
A W
Quiz by A W, updated more than 1 year ago
A W
Created by A W almost 2 years ago
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Resource summary

Question 1

Question
The dispensary surveillance for hepatitis A is
Answer
  • 1 month
  • 3 months
  • 12 months
  • 24 months

Question 2

Question
The main factor for transmission of cholera is
Answer
  • air
  • soil
  • water
  • alimentary products

Question 3

Question
The object of epidemiology of infectious diseases is
Answer
  • infectious process
  • source of infection
  • social factor
  • epidemic process

Question 4

Question
Source of infection for the infectious diseases may be
Answer
  • People
  • Mosquito
  • Flea
  • All the three above

Question 5

Question
The preparation for disinfection "Hibitan" is from the group
Answer
  • alcohols
  • biguanides
  • chlorine-containing
  • oxydizers

Question 6

Question
The leading factor(s) for distribution of nosocomial infections is (are)
Answer
  • the hands of healthcare workers
  • mosquitoes
  • the air
  • blood products

Question 7

Question
The re-immunization against measles in Bulgaria is on
Answer
  • 7 years
  • 11 years
  • 12 years
  • 17 years

Question 8

Question
The etiology agent of scarlet fever is
Answer
  • virus
  • bacteria
  • rickettsia
  • chlamidia

Question 9

Question
The source of infection for AIDS are
Answer
  • birds
  • people
  • monkeys
  • people and monkeys

Question 10

Question
What is the mechanism of transmission for salmonellosis
Answer
  • air-borne
  • fecal-oral
  • by insects
  • of the external envelopes

Question 11

Question
The epidemiology of the infectious diseases studies
Answer
  • viral hepatitis
  • hupertonia
  • ulcer
  • echinococcus

Question 12

Question
Chemical sterilization may be done with
Answer
  • chloramine
  • manusterol
  • ethylene oxyde
  • natrium hypochloridi

Question 13

Question
Source of infection for shigellosis are
Answer
  • animals
  • people and animals
  • people
  • birds

Question 14

Question
The contacts of a diseased with hepatitis A are under medical surveillance for
Answer
  • 7 days
  • 20 days
  • 15 days
  • 45 days

Question 15

Question
The re-immunization against tuberculosis is on
Answer
  • 5 years
  • 7 years
  • 15 years
  • 20 years

Question 16

Question
The etiology agent of measles is
Answer
  • virus
  • bacteria
  • chlamidia
  • spirocheta

Question 17

Question
The source of infection for meningicoccal infection is
Answer
  • the ill man only
  • sick animals only
  • the man - as sick or carrier
  • sick people and animals

Question 18

Question
The re-immunizations against poliomyelitis are on
Answer
  • 13 months, 24 months, 11 years
  • 16 months and 6 years
  • 24 months, 7 years, 11 years
  • 24 months, 7 years, 12 years

Question 19

Question
The artificially acquired active immunity is created after
Answer
  • application of a vaccine
  • application of serum
  • suffering from some disease
  • transmitted from mother to baby

Question 20

Question
Secondary moving force of the epidemic process is
Answer
  • the etiology agent
  • the susceptibility of the population
  • the social factor
  • the mechanism of transmission

Question 21

Question
It is recommended the immunization against influenza to be done
Answer
  • 2 times in the year
  • every year
  • 1 time for five years
  • 1 time for three years

Question 22

Question
The 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
Answer
  • 5 days
  • 9 days
  • 14 days
  • 20 days

Question 23

Question
Port of entrance for poliomyelitis is
Answer
  • only mucosa of nasopharynx
  • only intestinal mucosa
  • naso-pharyngeal and intestinal mucosa
  • intestinal mucosa and skin

Question 24

Question
The main route of transmission for S. dysenteriae is
Answer
  • person-to-person contact
  • water-borne
  • alimentary
  • blood-borne

Question 25

Question
Anthroponose infectious diseases are these with source of infection
Answer
  • animals
  • rodents
  • people
  • fleas

Question 26

Question
The rats may be source of infection for
Answer
  • viral hepatitis
  • salmonellosis
  • cholera
  • cholera and salmonellosis

Question 27

Question
Risk group for Cremean-Congo hemorrhagic fever are
Answer
  • seamen
  • alimentary workers
  • stockmen
  • building workers

Question 28

Question
The preparation for disinfection "perhydrol" (hydrogen peroxide 30%) is from the following chemical group
Answer
  • aldehydes
  • oxidizing agents
  • alcohols
  • phenols

Question 29

Question
Spores of microorganisms are destroyed by
Answer
  • chloramine
  • manusterol
  • sterilium
  • glutaraldehyde

Question 30

Question
Source of infection for hepatitis B are
Answer
  • diseased animals
  • only diseased people
  • diseased people and carriers
  • animals and people

Question 31

Question
Protective titer of antibodies against rubella (reaction inhibition d'hemagglutination) is
Answer
  • 1:4
  • 1:8
  • 1:16
  • 1:32

Question 32

Question
As nosocomial infection may arise
Answer
  • hemorrhagic fever with renal syndrome
  • Cremean-Congo hemorrhagic fever
  • Botulism
  • rabies

Question 33

Question
After wounding it is applied
Answer
  • 0,5 ml tetanus toxoid
  • 1 ml tetanus toxoid
  • 0,1 ml tetanus toxoid
  • 2 ml tetanus toxoid

Question 34

Question
Specific location of vibrio cholera is
Answer
  • mouth
  • mucosa of small intestine
  • mucosa of large intestine
  • stomach

Question 35

Question
Persons from risk groups, who are convalescent carriers after salmonellosis, are allowed to work after
Answer
  • 7 days and 2 (-) results
  • 15 days and 2 (-) results
  • 15 days and 3 (-) results
  • 20 days and 3 (-) results

Question 36

Question
Re-immunization against pertussis is done on
Answer
  • 10 month
  • 13 month
  • 6 years
  • 11 years

Question 37

Question
With disinfection we do destruction of
Answer
  • pathogenic microorganisms
  • vegetative forms and spores
  • spores
  • none of the above

Question 38

Question
The definition for epidemic process is
Answer
  • process with source of infection a man
  • interaction between macro- and microorganisms on the level of the population
  • interaction between macro- and microorganisms on individual level
  • interaction between sick people and animals

Question 39

Question
The epidemic measures against the contact children to measles, less than 7 years, who have not passed the disease and are not immunized, are
Answer
  • surveillance for 10 days
  • surveillance for 21 days
  • application of immune-globulin and surveillance for 10 days
  • application of immune-globulin and surveillance for 21 days

Question 40

Question
The air is main factor for infection transmission of
Answer
  • salmonellosis
  • leptospirosis
  • rubella
  • shigellosis

Question 41

Question
The immunization against pertussis is provided on
Answer
  • 2 month
  • 3 month
  • 2 and 3 month
  • 2, 3 and 4 month

Question 42

Question
Source of infection may be
Answer
  • the man
  • water
  • food
  • contaminated hands

Question 43

Question
The vaccine against poliomyelitis is
Answer
  • inactivated
  • toxoid
  • live
  • recombinant

Question 44

Question
The water is a factor for transmission of
Answer
  • Q-fever
  • shigellosis
  • hepatitis B
  • ornithosis

Question 45

Question
Salmonella bacteria are excreted from the source of infection with
Answer
  • air sputters
  • blood
  • feces and urine
  • only with feces

Question 46

Question
Variola is an infection, which is
Answer
  • eradicated
  • eliminated
  • limited
  • before eradication

Question 47

Question
The contact children with varicella, less than 7 years, who have not passed the disease, are under surveillance for
Answer
  • 5 days
  • 10 days
  • 14 days
  • 21 days

Question 48

Question
Which of the following regiments is the right for the dry sterilizer
Answer
  • 120C - 2 h
  • 160C - 2 h
  • 190C - 30 min
  • 150C - 1 h

Question 49

Question
The preparation "glutaraldehyde" is used for
Answer
  • sanitation of objects
  • sanitation of hands
  • only for disinfection
  • disinfection and sterilization

Question 50

Question
Viral hepatitis A is transmitted by the following mechanism
Answer
  • air-borne
  • of the external envelopes
  • vector-borne
  • fecal-oral

Question 51

Question
In Bulgaria the vaccine against tuberculosis is
Answer
  • recommended
  • routine
  • there isn't effective vaccine
  • forbidden for use

Question 52

Question
The source of infection for scarlet fever is
Answer
  • sick animals
  • sick people
  • animals - carriers
  • people and animals

Question 53

Question
In autoclave can not be sterilized
Answer
  • metal instruments
  • cotton tampons
  • textiles
  • leather materials

Question 54

Question
The vaccine against diphtheria in Bulgaria is
Answer
  • live
  • recombinant
  • inactivated
  • toxoid

Question 55

Question
The dispensary surveillance for hepatitis A is
Answer
  • 1 month
  • 3 months
  • 24 months
  • 12 months

Question 56

Question
The alimentary products are factor for transmission of
Answer
  • rubella
  • tetanus
  • varicella
  • salmonellosis

Question 57

Question
The diseased with diphtheria are discharged after the following negative results from the microbiological test for carriage
Answer
  • 1 (-) test
  • 2 (-) tests
  • 3 (-) tests
  • 4 (-) tests

Question 58

Question
Influenza viruses are divided on the following serotypes
Answer
  • A and B
  • A, B and C
  • A, B, C and D
  • A, B, C, D and E

Question 59

Question
Secondary moving force of the epidemic process are
Answer
  • the etiology agent of the disease
  • the natural factor
  • the susceptibility of the population
  • the source of infection

Question 60

Question
The preparation for disinfection "Hibiscrub" is used for
Answer
  • chirurgical disinfection of the hands
  • utensils
  • surfaces
  • instruments

Question 61

Question
The main route for infection transmission of Shigellosis Flexneri is
Answer
  • water-borne
  • person-to--person contact
  • blood-borne
  • alimentary

Question 62

Question
The vaccine against rubella is applied on
Answer
  • 6 months
  • 13 months
  • 10 months
  • 24 months

Question 63

Question
Poliomyelitis viruses are
Answer
  • one type
  • two types
  • three types
  • four types

Question 64

Question
AIDS is not transmitted by one of the following routes
Answer
  • blood-borne
  • sexual
  • vertical
  • person-to-person contact

Question 65

Question
The mechanism of transmission for varicella is
Answer
  • fecal-oral
  • air-borne
  • vector-borne
  • of the external envelopes

Question 66

Question
The 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
Answer
  • surveillance for 7 days
  • surveillance for 17 days
  • immunization and surveillance for 17 days
  • immune-globulin and surveillance for 10 days

Question 67

Question
The ususal concentration of chlorine is
Answer
  • 3% water solution
  • 10% water solution
  • 1% water solution
  • 5% water solution

Question 68

Question
The soil is a factor for transmission of
Answer
  • AIDS
  • tetanus
  • rubella
  • salmonellosis

Question 69

Question
The alimentary products are factors for transmission of
Answer
  • hepatitis B
  • AIDS
  • botulism
  • measles

Question 70

Question
The naturally acquired passive immunity is formed
Answer
  • after some disease
  • after a vaccine
  • after immune globulin
  • from mother to baby

Question 71

Question
Secondary moving force of the epidemic process is
Answer
  • social factor
  • source of infection
  • factors for infection transmission
  • the susceptible population

Question 72

Question
The route for infection transmission of hepatitis B is
Answer
  • sexual
  • vertical
  • parenteral
  • all the three are possible

Question 73

Question
When a carriage continues more than 6 months, it is named
Answer
  • acute
  • chronic
  • sub-acute
  • convalescent

Question 74

Question
The vaccine against scarlet fever is
Answer
  • live
  • inactivated
  • toxoid
  • there is not effective vaccine for the moment

Question 75

Question
The sources of infection for measles are
Answer
  • diseased people
  • diseased animals
  • people - carriers
  • all of the three mentioned

Question 76

Question
The sources of infection for enteroviral infections are
Answer
  • diseased animals
  • animals - carriers
  • only diseased people
  • people - diseased and carriers

Question 77

Question
The incubation period for cholera is
Answer
  • 10 days
  • 20 days
  • 5 days
  • 1 day

Question 78

Question
The vaccine against pertussis is
Answer
  • live
  • inactivated
  • toxoid
  • acellular

Question 79

Question
In the environment HIV-virus is
Answer
  • highly resistant
  • non resistant
  • medium resistant
  • resistant for 10 days

Question 80

Question
The dispensary surveillance for hepatitis B is for
Answer
  • 6 months
  • 3 months
  • 2 years
  • 1 month

Question 81

Question
Risk group for influenze are
Answer
  • healthcare workers
  • workers with food
  • hunters
  • stockmen

Question 82

Question
The vaccine against tetanus is
Answer
  • live attenuated
  • toxoid
  • inactivated
  • recombinant

Question 83

Question
The disease with varicella are isolated for
Answer
  • 10 days
  • 15 days
  • 21 days
  • to the scab of the rash

Question 84

Question
The water is a factor for transmission of
Answer
  • Q-fever
  • plague
  • tetanus
  • hepatitis A

Question 85

Question
The convalescent carriers of salmonellosis from risk groups are under dispensary surveillance for
Answer
  • 1 month
  • 3 months
  • 6 months
  • 1 year

Question 86

Question
Which is the right regimen for autoclave
Answer
  • 121 C (1 atm) - 30 min
  • 150 C - 2 atm - 20 min
  • 145 C - 2 atm - 15 min
  • 110 C - 0.5 atm - 30 min

Question 87

Question
The vaccine against influenza is
Answer
  • obligatory
  • recommended
  • not at all provided
  • routine

Question 88

Question
The dental consulting room is a risk place for
Answer
  • viral hepatitis B, C and HIV
  • rabies
  • Lyme disease
  • tularemia

Question 89

Question
The surfaces are disinfected with
Answer
  • only rubbing
  • washing
  • rubbing and spraying
  • autoclave

Question 90

Question
Lints and cotton tampons are sterilized with
Answer
  • dry sterilizer
  • autoclave
  • ultraviolet rays
  • hibitan

Question 91

Question
The sources of infection for cholera are
Answer
  • only diseased people
  • diseased animals
  • animals - carriers
  • people - diseased and carriers

Question 92

Question
The isolation of a patient with shigellosis from risk group continues to
Answer
  • 1
  • 2
  • 3
  • 4 (-) results from the microbiological test

Question 93

Question
The vaccine against hepatitis B is
Answer
  • live attenuated
  • inactivated
  • recombinant
  • toxoid

Question 94

Question
The port of entree for mumps is
Answer
  • intestinal mucosa
  • wounded skin
  • respiratory mucosa
  • the place of tick bite

Question 95

Question
The natural factor is with the greatest importance for the following infections
Answer
  • air-borne
  • intestinal
  • vector-borne
  • of the external envelopes

Question 96

Question
Life-long carriage may be observed after
Answer
  • rubella
  • hepatitis B
  • hepatitis A
  • cholera

Question 97

Question
Primary moving force of the epidemic process is
Answer
  • social factor
  • natural factor
  • source of infection
  • migration of the population

Question 98

Question
The sources of infection for meningococcal infection are
Answer
  • birds
  • only diseased people
  • domestic animals
  • people - diseased and carriers

Question 99

Question
Sources of infection for salmonellosis may be
Answer
  • infected people
  • infected rodents
  • infected fish
  • all of the 3

Question 100

Question
The dental instruments are sterilized with
Answer
  • chlorine preparations
  • burning
  • preparations - oxidizers
  • autoclave

Question 101

Question
The object of the epidemiology is (are)
Answer
  • the people
  • animals
  • the epidemic process
  • a and b

Question 102

Question
Primary driving force(s) of the epidemic process is (are)
Answer
  • people
  • animals
  • mechanism of infection transmission
  • a, b and c

Question 103

Question
the source of infection for infectious diseases is (are)
Answer
  • food
  • animals
  • water
  • a, b and c

Question 104

Question
the mechanism of transmission of the infection takes place in
Answer
  • 1 phase
  • 2 phases
  • 3 phases
  • 4 phases

Question 105

Question
According to the immunization calendar of Bulgaria, the hepatitis B vaccine is administered with
Answer
  • 1 dose
  • 2 doses
  • 3 doses
  • 4 doses

Question 106

Question
Nosocomial infections occur in
Answer
  • patients in outpatient care
  • hospitalized patients
  • prophylactic examinations
  • a, b and c

Question 107

Question
Which of the measures is not included in the standard measures for prevention of nosocomial infections
Answer
  • hand disinfection
  • use of personal protective equipment
  • hospital waste management
  • all 3 are included

Question 108

Question
Who (what) can be the source of salmonellosis infection
Answer
  • infected animals
  • ill people
  • people - carriers
  • all 3

Question 109

Question
Who (what) may be the source of shigellosis infection
Answer
  • infected people
  • sick animals
  • animals - carriers of the infection
  • all 3

Question 110

Question
the source of infection for cholera is (are)
Answer
  • infected people
  • contaminated water
  • contaminated food
  • all 3

Question 111

Question
Diphtheria may be transmitted by the following mechanism
Answer
  • air-borne mechanism
  • person to person contact
  • alimentary
  • all 3

Question 112

Question
Scarlet fever may be transmitted by
Answer
  • blood transfusion
  • air-borne mechanism
  • tick bite
  • all 3

Question 113

Question
Source of infection for measles may be
Answer
  • only ill people
  • people - ill and carriers
  • infected air
  • infected people and animals

Question 114

Question
The vertical transmission is not possible for
Answer
  • varicella
  • rubella
  • measles
  • hepatitis B

Question 115

Question
Spermatogenesis can be impaired in
Answer
  • rubella
  • measles
  • mumps
  • a and c

Question 116

Question
Which of the vaccines is not included in the immunization calendar of Bulgaria
Answer
  • against tuberculosis
  • against hepatitis B
  • against hepatitis A
  • against pertussis

Question 117

Question
Meningococcal infection is transmitted by
Answer
  • blood transfusion
  • air-borne mechanism
  • vertical mechanism
  • all 3

Question 118

Question
Hepatitis E virus is with
Answer
  • 1 genotype
  • 2 genotypes
  • 3 genotypes
  • 4 genotypes

Question 119

Question
ECHO and Coxsckie viruses may be transmitted by
Answer
  • vertically
  • air-borne mechanism
  • fecal-oral mechanism
  • b and c
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