Pregunta 1
Pregunta
The main factor for transmission of cholera is:
Respuesta
-
air
-
water
-
Soil
-
Alimentary products
Pregunta 2
Pregunta
The object of the epidemiology of infectious diseases is:
Respuesta
-
Infectious process
-
Epidemic process
-
Source of infection
-
Social factor
Pregunta 3
Pregunta
Source of infection for the infectious diseases may be:
Respuesta
-
People
-
Mosquito
-
Flea
-
All the three above
Pregunta 4
Pregunta
The preparation for disinfection “Hibitan” is from the group:
Respuesta
-
Alcohols
-
Biguanides
-
Chlorine-containing
-
Oxidisers
Pregunta 5
Pregunta
The leading factor(s) for distribution of nosocomial infections is (are):
Pregunta 6
Pregunta
The re-immunization against measles in Bulgaria is on
Respuesta
-
7 years
-
11 years
-
12 years
-
17 years
Pregunta 7
Pregunta
The aetiology agent of scarlet fever is:
Respuesta
-
Virus
-
Rickettsia
-
Bacteria
-
Chlamydia
Pregunta 8
Pregunta
The source of infection for AIDS are:
Respuesta
-
Birds
-
People
-
Monkeys
-
People and Monkeys
Pregunta 9
Pregunta
What is the mechanism of transmission for salmonellosis:
Pregunta 10
Pregunta
The dispensary surveillance for hepatitis A is:
Respuesta
-
1 month
-
3 months
-
12 months
-
24 months
Pregunta 11
Pregunta
Source of infection for shigellosis are:
Respuesta
-
Animals
-
People and animals
-
People
-
Birds
Pregunta 12
Pregunta
The contacts of an ill with hepatitis A are under medical surveillance for:
Respuesta
-
7 days
-
15 days
-
20 days
-
45 days
Pregunta 13
Pregunta
The re-immunization against tuberculosis in Bulgaria is on:
Respuesta
-
5 years
-
7 years
-
15 years
-
20 years
Pregunta 14
Pregunta
The aetiology agent of measles is:
Respuesta
-
Virus
-
Bacteria
-
Chlamydia
-
Spirochaetes
Pregunta 15
Pregunta
The source of infection for meningococcal infection is:
Pregunta 16
Pregunta
The re-immunizations against poliomyelitis in Bulgaria are on:
Respuesta
-
13 month, 24 month, 11 years
-
16 months and 6 years
-
24 months, 7 years, 11 years
-
24 months, 7 years, 12 years
Pregunta 17
Pregunta
The artificially acquired active immunity is created after:
Pregunta 18
Pregunta
Secondary driving force of the epidemic process is:
Pregunta 19
Pregunta
The epidemiology of the infectious diseases studies:
Respuesta
-
Viral hepatitis
-
Hypertonia
-
Ulcer
-
Echinococcus
Pregunta 20
Pregunta
Chemical sterilization may be done with:
Respuesta
-
Chloramine
-
Manusterol
-
Ethylene oxide
-
NaCl
Pregunta 21
Pregunta
Port of entrance for poliomyelitis is (are):
Respuesta
-
Only mucosa of nasopharynx
-
Only intestinal mucosa
-
Naso-pharyngeal and intestinal mucosa
-
Intestinal mucosa and skin
Pregunta 22
Pregunta
The main route of transmission for S. dysenteriae is:
Respuesta
-
Person-to-person contact
-
Water-borne
-
Alimentary
-
Blood-borne
Pregunta 23
Pregunta
Anthroponose infectious diseases are these with source of infection:
Respuesta
-
Animals
-
Rodents
-
People
-
Fleas
Pregunta 24
Pregunta
The rats may be source of infection for:
Pregunta 25
Pregunta
Risk group for Cremean-Congo hemorrhagic fever are:
Respuesta
-
Seamen
-
Alimentary workers
-
Stockmen
-
Building workers
Pregunta 26
Pregunta
The preparation for disinfection “perhydrol” (hydrogen peroxide 30%) is from the following chemical group:
Respuesta
-
Aldehydes
-
Oxidising agents
-
Alchohols
-
Phenols
Pregunta 27
Pregunta
Spores of microorganisms are destroyed by:
Respuesta
-
Chloramine
-
Manusterol
-
Sterilium
-
Glutaraldehyde
Pregunta 28
Pregunta
Source of infection for hepatitis B are:
Pregunta 29
Pregunta
It is recommended the immunization against influenza to be done:
Respuesta
-
2 times in the year
-
Every year
-
1 time for five years
-
1 time for three years
Pregunta 30
Pregunta
The contact to rubella children, aged less than 7 years, who have not passed the disease and who are not immunised, are under medical surveillance for:
Respuesta
-
5 days
-
9 days
-
14 days
-
20 days
Pregunta 31
Pregunta
After wounding it is applied:
Respuesta
-
0.5 ml tetanus toxoid
-
1 ml tetanus toxoid
-
0.1 ml tetanus toxoid
-
2 ml tetanus toxoid
Pregunta 32
Pregunta
Specific location of vibrio cholera is:
Pregunta 33
Pregunta
Persons from risk groups, who are convalescent carriers of salmonellosis, are allowed to work after:
Respuesta
-
7 days and 2 (-) results
-
15 days and 2 (-) results
-
15 days and 3 (-) results
-
20 days and 3 (-) results
Pregunta 34
Pregunta
Re-immunization against pertussis in Bulgaria is done on:
Respuesta
-
10 month
-
13 month
-
6 years
-
11 years
Pregunta 35
Pregunta
With disinfection we do destruction of:
Pregunta 36
Pregunta
The definition for epidemic process is:
Respuesta
-
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
Pregunta 37
Pregunta
The air is main factor for infection transmission of:
Respuesta
-
Salmonellosis
-
Leptospirosis
-
Rubella
-
Shigellosis
Pregunta 38
Pregunta
The epidemic measures against the contact children to measles, less than 7 years, who have not passed the disease and are not immunised, are:
Pregunta 39
Pregunta
The protective titre of antibodies against rubella (reaction inhibition d’hemagglutination) is:
Pregunta 40
Pregunta
As nosocomial infection may arise:
Pregunta 41
Pregunta
The vaccine against poliomyelitis, used in Bulgaria, is:
Respuesta
-
Inactivated
-
Toxoid
-
Live
-
Recombinant
Pregunta 42
Pregunta
The water is a factor for transmission of:
Respuesta
-
Q-fever
-
Shigellosis
-
Hepatitis B
-
Ornithosis
Pregunta 43
Pregunta
Salmonella bacteria are excreted from the source of infection with:
Respuesta
-
Air sputters
-
Blood
-
Faeces and urine
-
Only with faeces
Pregunta 44
Pregunta
Variola is an infection, which is:
Respuesta
-
Eradicated
-
Eliminated
-
Limited
-
Before eradication
Pregunta 45
Pregunta
The contact children with varicella, less than 7 years, who have not passed the disease, are under surveillance for:
Respuesta
-
5 days
-
10 days
-
14 days
-
21 days
Pregunta 46
Pregunta
Which of the following regiments is the right for the dry steriliser:
Respuesta
-
120 °С 2 h
-
190 °С 30 min
-
160 °С 2 h
-
150 °С 1 h
Pregunta 47
Pregunta
The preparation “glutaraldehyde” is used for:
Pregunta 48
Pregunta
Viral hepatitis A is transmitted by the following mechanism:
Pregunta 49
Pregunta
The immunisation against pertussis in Bulgaria is provided on:
Respuesta
-
2 month
-
3 month
-
2 and 3 months
-
2, 3 and 4 months
Pregunta 50
Pregunta
Source of infection may be:
Respuesta
-
The man
-
Water
-
Food
-
Contaminated hands
Pregunta 51
Pregunta
In autoclave can not be sterilised:
Respuesta
-
Metal instruments
-
Cotton tampons
-
Textiles
-
Leather materials
Pregunta 52
Pregunta
The vaccine against diphtheria in Bulgaria is:
Respuesta
-
Live
-
Inactivated
-
Recombinant
-
Toxoid
Pregunta 53
Pregunta
The dispensary surveillance for hepatitis A is:
Respuesta
-
1 month
-
3 months
-
24 months
-
12 months
Pregunta 54
Pregunta
The alimentary products are factor for transmission of:
Respuesta
-
Rubella
-
Varicella
-
Tetanus
-
Salmonellosis
Pregunta 55
Pregunta
The diseased with diphtheria are discharged after the following negative results from the microbiological test for carriage:
Respuesta
-
1 (-) test
-
2 (-) tests
-
3 (-) tests
-
4 (-) tests
Pregunta 56
Pregunta
Human Influenza viruses are divided on the following serotypes:
Respuesta
-
А and В
-
А, В and С
-
А, В, С and D
-
А, В, С, D and Е
Pregunta 57
Pregunta
Secondary driving force of the epidemic process is:
Pregunta 58
Pregunta
The preparation for disinfection “Hibiscrub” is used for:
Pregunta 59
Pregunta
In Bulgaria the vaccine against tuberculosis is:
Pregunta 60
Pregunta
The source of infection for scarlet fever is:
Respuesta
-
Sick animals
-
Sick people
-
Animals - Carriers
-
People and animals
Pregunta 61
Pregunta
The vaccine against rubella is applied on:
Respuesta
-
6 months
-
10 months
-
13 months
-
24 months
Pregunta 62
Pregunta
Poliomyelitis viruses are:
Respuesta
-
One type
-
Two types
-
Three types
-
Four types
Pregunta 63
Pregunta
AIDS is not transmitted by one of the following routes:
Respuesta
-
Blood-borne
-
Sexual
-
Vertical
-
Person-to-person contact
Pregunta 64
Pregunta
The mechanism of transmission for varicella is:
Pregunta 65
Pregunta
The epidemic measures against the contact with measles children, less than 7 years, who have not passed the disease and are not immunised, are as follows:
Pregunta 66
Pregunta
The usual concentration of chlorine is:
Respuesta
-
3 % water solution
-
10 % water solution
-
1 % water solution
-
5 % water solution
Pregunta 67
Pregunta
The soil is a factor for transmission of:
Respuesta
-
AIDS
-
Tetanus
-
Rubella
-
Salmonellosis
Pregunta 68
Pregunta
The alimentary products are factor for transmission of:
Respuesta
-
Hepatitis B
-
AIDS
-
Botulism
-
Measles
Pregunta 69
Pregunta
The naturally acquired passive immunity is formed:
Respuesta
-
After some disease
-
After a vaccine
-
After immune-globulin
-
From mother to baby
Pregunta 70
Pregunta
The main route for infection transmission of Shigellosis Flexneri is:
Respuesta
-
Water-borne
-
Person-to-person contact
-
Blood-borne
-
Alimentary
Pregunta 71
Pregunta
The route for infection transmission of hepatitis B is:
Pregunta 72
Pregunta
When a carriage continues more than 6 months, it is named:
Respuesta
-
Acute
-
Sub-acute
-
Chronic
-
Convalescent
Pregunta 73
Pregunta
The vaccine against scarlet fever is:
Pregunta 74
Pregunta
The sources of infection for measles are:
Pregunta 75
Pregunta
The sources of infection for enteroviral infections are:
Pregunta 76
Pregunta
The incubation period for cholera is:
Respuesta
-
10 days
-
20 days
-
5 days
-
1 day
Pregunta 77
Pregunta
The vaccine against pertussis is:
Respuesta
-
Live
-
Inactivated
-
Toxoid
-
Acellular
Pregunta 78
Pregunta
In the environment HIV-virus is:
Respuesta
-
Highly resistant
-
Non - resistant
-
Medium resistant
-
Resistant for 10 days
Pregunta 79
Pregunta
The dispensary surveillance for hepatitis B is for:
Respuesta
-
6 months
-
3 months
-
2 years
-
1 month
Pregunta 80
Pregunta
Secondary driving force of the epidemic process is:
Pregunta 81
Pregunta
The diseased with varicella are isolated for:
Respuesta
-
10 days
-
15 days
-
21 days
-
To the scab of the rash
Pregunta 82
Pregunta
The water is a factor for transmission of:
Respuesta
-
Q-fever
-
Foot-and-mouth disease
-
Tetanus
-
Hepatitis A
Pregunta 83
Pregunta
The convalescent carriers of salmonellosis from risk groups are under dispensary surveillance for:
Respuesta
-
1 month
-
3 months
-
6 months
-
1 year
Pregunta 84
Pregunta
Which is the right regimen for autoclave:
Respuesta
-
121 °С (1 atm) 30 min
-
150 °С 2 atm. 20 min
-
145 °С 2 atm. 15 min
-
110 °С 0.5 atm. 30 min
Pregunta 85
Pregunta
The vaccine against influenza is:
Respuesta
-
Obligatory
-
Recommended
-
Not at all provided
-
Routine
Pregunta 86
Pregunta
The dental consulting room is a risk place for:
Pregunta 87
Pregunta
The surfaces are disinfected with:
Respuesta
-
Only rubbing
-
Washing
-
Rubbing and spraying
-
Autoclave
Pregunta 88
Pregunta
Lints and cotton tampons are sterilized with:
Respuesta
-
Dry sterilizer
-
Autoclave
-
Ultraviolet rays
-
Stockmen
Pregunta 89
Pregunta
Risk group for influenza are:
Respuesta
-
Healthcare workers
-
Workers with foods
-
Hunters
-
Stockmen
Pregunta 90
Pregunta
The vaccine against tetanus is:
Respuesta
-
Live attenuated
-
Toxoid
-
Inactivated
-
Recombinant
Pregunta 91
Pregunta
The isolation of a patient with shigellosis from risk group continues to:
Pregunta 92
Pregunta
The vaccine against hepatitis B is:
Respuesta
-
Live attenuated
-
Inactivated
-
Recombinant
-
Toxoid
Pregunta 93
Pregunta
The port of entrée for mumps is:
Respuesta
-
Intestinal mucosa
-
Wounded skin
-
Respiratory mucosa
-
The place of tick bite
Pregunta 94
Pregunta
The natural factor is with the greatest importance for the following infections:
Pregunta 95
Pregunta
Life-long carriage may be observed after:
Respuesta
-
Rubella
-
Hepatitis B
-
Hepatitis A
-
Cholera
Pregunta 96
Pregunta
Primary driving force of the epidemic process is:
Pregunta 97
Pregunta
The sources of infection for meningococcal infection are:
Pregunta 98
Pregunta
Sources of infection for salmonellosis may be:
Respuesta
-
Infected people
-
Infected fish
-
Infected rodents
-
All of the three
Pregunta 99
Pregunta
The dental instruments are sterilised with:
Respuesta
-
Chlorine preparations
-
Burning
-
Preparations-oxidisers
-
Autoclave
Pregunta 100
Pregunta
The sources of infection for cholera are:
Pregunta 101
Pregunta
The object of the epidemiology is (are):
Respuesta
-
The people
-
Animals
-
The epidemic process
-
People and animals
Pregunta 102
Pregunta
Primary driving force(s) of the epidemic process is (are):
Pregunta 103
Pregunta
The source of infection for infectious diseases is (are):
Respuesta
-
Food
-
Water
-
Animals
-
All the three
Pregunta 104
Pregunta
Тhe mechanism of transmission of the infection takes place in:
Respuesta
-
1 phase
-
2 phases
-
3 phases
-
4 phases
Pregunta 105
Pregunta
Аccording to the immunisation calendar of Bulgaria, the hepatitis B vaccine is administered with:
Respuesta
-
1 dose
-
2 doses
-
3 doses
-
4 doses
Pregunta 106
Pregunta
Nosocomial infections occur in:
Pregunta 107
Pregunta
Which of the measures is not included in the standard measures for prevention of nosocomial infections:
Pregunta 108
Pregunta
Who (what) can be the source of salmonellosis infection:
Respuesta
-
Infected animals
-
Ill people
-
People - carriers
-
All three
Pregunta 109
Pregunta
Who (what) may be the source of shigellosis infection:
Pregunta 110
Pregunta
The source of infection for cholera is (are):
Respuesta
-
Infected people
-
Contaminated water
-
Contaminated food
-
All three
Pregunta 111
Pregunta
Diphtheria may be transmitted by the following mechanism:
Respuesta
-
Air-borne mechanism
-
Person-to-person contact
-
Alimentary
-
All three
Pregunta 112
Pregunta
Scarlet fever may be transmitted by:
Respuesta
-
Blood transfusion
-
Air-borne mechanism
-
Tick bite
-
All three
Pregunta 113
Pregunta
Source of infection for measles may be:
Pregunta 114
Pregunta
The vertical transmission is not possible for:
Respuesta
-
Varicella
-
Rubella
-
Measles
-
Hepatitis B
Pregunta 115
Pregunta
Spermatogenesis can be impaired in:
Respuesta
-
Rubella
-
Measles
-
Mumps
-
Rubella and mumps
Pregunta 116
Pregunta
Which of the vaccines is not included in the immunisation calendar of Bulgaria:
Respuesta
-
Against tuberculosis
-
Against hepatitis B
-
Against hepatitis A
-
Against pertussis
Pregunta 117
Pregunta
Meningococcal infection is transmitted by:
Respuesta
-
Blood transfusion
-
Air-borne mechanism
-
Vertical mechanism
-
All three
Pregunta 118
Pregunta
Hepatitis E virus is with:
Respuesta
-
1 genotype
-
2 genotypes
-
3 genotypes
-
4 genotypes
Pregunta 119
Pregunta
ECHO- and Coxsckie- viruses may be transmitted by:
Pregunta 120
Pregunta
Source of infection for HIV/AIDS may be:
Respuesta
-
Infected people
-
Infected monkeys
-
Infected bats
-
All three