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