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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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Epidemiology MCQs Final- 5th Year PMU

Question 1 of 165

1

No subclinical infections is present in

Select one of the following:

  • Polio

  • Mumps

  • Chicken Pox

  • Hepatitis A

Explanation

Question 2 of 165

1

The typical form for polio

Select one of the following:

  • Inapparent

  • Abortive

  • Non-abortive

  • Paralytic

Explanation

Question 3 of 165

1

Which of the following is the most dangerous transmission of plague

Select one of the following:

  • Blocked Flea

  • Partial Flea

  • Both

  • Unblocked Flea

Explanation

Question 4 of 165

1

All of the following are transmitted by Aedes aegypti EXCEPT

Select one of the following:

  • Dengue hemorrhagic fever

  • Chikungunya fever

  • Rift valley fever

  • Japanese encephalitis

Explanation

Question 5 of 165

1

Tetanus can be prevented by which of the following

Select one of the following:

  • Active immunization with tetanus toxoid every 5-10 years

  • Unproper treatment of contaminated wounds

  • Consider passive immunization with hyperimmune globulin

  • All of the following

Explanation

Question 6 of 165

1

Which of the following situations represents the best example of passive immunity

Select one of the following:

  • a child receiving a vaccination for measles

  • an infant receiving breast milk from the mother

  • production of antibodies by a person with infection

  • a person receiving antibodies for an infection

Explanation

Question 7 of 165

1

Hand hygiene is a vital part of Infection Control because

Select one of the following:

  • The most common mode of transmission is via germs on the hands

  • There is an increased number of infections acquired in health care

  • Anti microbial infections are increasing

  • All of the above

Explanation

Question 8 of 165

1

Vaccines are available for all of the following EXCEPT

Select one of the following:

  • Hepatitis A

  • Hepatitis B

  • Hepatitis C

  • Tetanus

  • Measles

Explanation

Question 9 of 165

1

Rat flea is a vector for all of the following diseases except

Select one of the following:

  • Endemic typhus

  • Plagues

  • Leptospirosis

  • Epidemic Typhus

Explanation

Question 10 of 165

1

Koplik spots are pathognomic of

Select one of the following:

  • Mumps

  • Measles

  • Diptheria

  • Typhoid

Explanation

Question 11 of 165

1

Basic cycle of Epidemic of Bubonic Plague (Orissa 2003)

Select one of the following:

  • Commensal rat - Rat fleas - Man

  • Wild rats - Flea - man

  • Wild rodents - Man

  • Man - Man

Explanation

Question 12 of 165

1

The highest efficiency of transmission of AIDS is seen in

Select one of the following:

  • Infected mother to child

  • Heterosexual transmission

  • Intravenous drug users

  • Contaminated drug abusers

Explanation

Question 13 of 165

1

Which dose of cell culture vaccine is used as pre-exposure prophylaxis of rabies

Select one of the following:

  • Single Dose

  • 5 doses

  • 7 doses

  • 3 doses

Explanation

Question 14 of 165

1

An attenuated vaccine is composed of

Select one of the following:

  • killed microorganisms

  • living weakened microorganism

  • inactivated bacterial toxins

  • purified macromolecules

  • recombinant vectors

Explanation

Question 15 of 165

1

The term bacteriostatic means

Select one of the following:

  • living

  • dead

  • inhibits microbial growth and leaves residual film

  • kills microbes

Explanation

Question 16 of 165

1

Immunocompromised patients are targeted by

Select one of the following:

  • parasite

  • opportunistic microorganism

  • pathogen

  • flagellum

Explanation

Question 17 of 165

1

Causative organism for bubonic plague is

Select one of the following:

  • Yersinia pestis

  • Xenopsylla cheopis

  • Xenopsylla astia

  • rattus rattus

Explanation

Question 18 of 165

1

No subclinical cases are seen in

Select one of the following:

  • Rabies

  • AIDS

  • Polio

  • Cholera

Explanation

Question 19 of 165

1

The most effective concentration of alchohol is

Select one of the following:

  • 30%

  • 50%

  • 70%

  • 90%

Explanation

Question 20 of 165

1

A vaccine that contains parts of virus is called

Select one of the following:

  • Subcellular

  • Subunit

  • Recombinant

Explanation

Question 21 of 165

1

The process of destroying all microorganisms, including spores is known as

Select one of the following:

  • asepsis

  • sterilization

  • sepsis

Explanation

Question 22 of 165

1

The usual incubation period of Pertussis is

Select one of the following:

  • 7-14 days

  • 3-5 days

  • 21 - 25 days

Explanation

Question 23 of 165

1

Isolation is not carried in one of the following

Select one of the following:

  • Plague

  • Cholera

  • AIDS

  • Chickenpox

Explanation

Question 24 of 165

1

Which of the following is true of Chicken pox

Select one of the following:

  • Virus is not found in scabs

  • Virus can be grown on chick embryo

  • Caused by RNA virus

  • Does not cross the placental barrier

Explanation

Question 25 of 165

1

Herd immunity is not important in

Select one of the following:

  • Tetanus

  • Pertussis

  • Diptheria

  • All

Explanation

Question 26 of 165

1

Maternal antibodies are not protective in

Select one of the following:

  • Tetanus

  • Diptheria

  • Pertussis

  • All

Explanation

Question 27 of 165

1

Infectivity of chickenpox is seen up to

Select one of the following:

  • As long as patient has fever

  • 3 days after the appearance of rash

  • Till the scab falls

Explanation

Question 28 of 165

1

Risk of the damage of fetus by maternal rubella is maximum if mother gets infected in

Select one of the following:

  • 6-12 weeks of pregnancy

  • 20-24 weeks of pregnancy

  • 24-28 weeks of pregnancy

Explanation

Question 29 of 165

1

Both active and passive vaccination can be given together in all EXCEPT

Select one of the following:

  • Diptheria

  • Tetanus

  • Rabies

  • Hepatitis A

Explanation

Question 30 of 165

1

Immunisation against pertussis is carried out on

Select one of the following:

  • 2 months

  • 3 months

  • 2 & 3 months

  • 2, 3 & 4 months

Explanation

Question 31 of 165

1

Source of infection can be

Select one of the following:

  • a person

  • water

  • food

  • contaminated food

Explanation

Question 32 of 165

1

The vaccine against polio is

Select one of the following:

  • killed

  • anatoxin

  • live

  • recombinant

Explanation

Question 33 of 165

1

Water is a factor of transmission

Select one of the following:

  • fever

  • shigellosis

  • hepatitis b

  • ornithosis

Explanation

Question 34 of 165

1

In Greece dengue

Select one of the following:

  • has not been registered

  • is registered with over 25,000 diseased

  • only sporadic cases

  • is a topic of discussion

Explanation

Question 35 of 165

1

The salmonella bacteria are transmitted from the source of infection by

Select one of the following:

  • speech

  • blood

  • urine and feces

  • only through feces

Explanation

Question 36 of 165

1

Specific vectors of Q fevers are

Select one of the following:

  • body lice

  • human fleas

  • mosquitos

  • ticks

Explanation

Question 37 of 165

1

Smallpox (variolla) is an infection that is

Select one of the following:

  • eradicated

  • eliminated

  • reduced

  • soon to be eracticated

Explanation

Question 38 of 165

1

Source of infection of ECHO and Coxsackie virus infections are

Select one of the following:

  • only sick people

  • only sick animals

  • people sick or carriers

  • sick people and animals

Explanation

Question 39 of 165

1

The contacts of people suffering from varicella that are under 7 y.o. gets monitored for

Select one of the following:

  • 5 days

  • 10 days

  • 14 days

  • 21 days

Explanation

Question 40 of 165

1

Citizens arriving from countries infected with Cholera are observation

Select one of the following:

  • 5 days

  • 7 days

  • 10 days

  • 20 days

Explanation

Question 41 of 165

1

Vector of Dengue is

Select one of the following:

  • Pediculus vestiment

  • Aedes aegypti

  • Ixodes

  • Anopheles

Explanation

Question 42 of 165

1

Source of infection of Tularemia

Select one of the following:

  • Sick man

  • Sick animals

  • Man contaminants

  • Sick men and animals

Explanation

Question 43 of 165

1

Colienteritis are characterized by

Select one of the following:

  • summer season

  • autumn season

  • no seasonality

  • winter seasonal

Explanation

Question 44 of 165

1

It is recommended influenza immunization to be done

Select one of the following:

  • august

  • october

  • announcing the flu epidemic

  • all year round

Explanation

Question 45 of 165

1

Effective immunoprophylaxis against Japanese encephalitis is carried out with

Select one of the following:

  • killed vaccine

  • associated vaccine

  • live vaccine

  • no vaccine

Explanation

Question 46 of 165

1

The incubation period for Salmenolloisis most often is

Select one of the following:

  • from 10-20 days

  • 5 to 10 days

  • from 1-3 days

  • 1 month

Explanation

Question 47 of 165

1

In collective quarantine in case of Scarlet fever is

Select one of the following:

  • 5 days

  • 14 days

  • 7 days

  • 21 days

Explanation

Question 48 of 165

1

Tetanus classified

Select one of the following:

  • respiratory infection

  • roof infection

  • blood infection

  • intestinal infection

Explanation

Question 49 of 165

1

The least toxic insectoides are

Select one of the following:

  • carbamates

  • cholorganic

  • phosphorous organic

  • pyrethroids

Explanation

Question 50 of 165

1

Mechanism of transmission of cholera

Select one of the following:

  • air droplet

  • fecal oral

  • transmissive

  • roofing

Explanation

Question 51 of 165

1

Suffered from Typhus abdominalis are dispensaries for

Select one of the following:

  • 3 months

  • 6 months

  • 10 months

  • 1 year

Explanation

Question 52 of 165

1

Major source of contamination in Brucellosis are

Select one of the following:

  • rodents

  • domestic animals (sheep, cows, goats)

  • wild animal

  • people

Explanation

Question 53 of 165

1

Immunization against Rubella is carried out on

Select one of the following:

  • 4 months

  • 13 months

  • 24 months

  • it is not obligatory and applies only desire regardless of age

Explanation

Question 54 of 165

1

The most common form of meningococcal infection is

Select one of the following:

  • meningococcal nasopharagitis

  • meningococcal tonsilitis

  • meningococcal meningitis

  • healthy meningococcal infection

Explanation

Question 55 of 165

1

Entrance door with Scarlet fever is

Select one of the following:

  • damage skin

  • visible mucous membranes

  • mucous membrane of URT

  • backpack formed by blood-sucking insects

Explanation

Question 56 of 165

1

Ticks are specific carriers of

Select one of the following:

  • Febris flava

  • Lyme Borieliosis

  • Dengue

  • Plague

Explanation

Question 57 of 165

1

For hygienic hand disinfection apply

Select one of the following:

  • Bleach

  • Chlorine

  • Perhydol

  • Manusterol

Explanation

Question 58 of 165

1

Objects from the external environment are factors of transmission in

Select one of the following:

  • blood borne way

  • contact bit way

  • water way

  • sexual way

Explanation

Question 59 of 165

1

The most wide spread of febris flava is in

Select one of the following:

  • Africa

  • Asia

  • Europe

  • Eurasia

Explanation

Question 60 of 165

1

Fill the blank space to complete the text.

Reservoir for Marseille fever is

Explanation

Question 61 of 165

1

The main factor for transmission of cholera is

Select one of the following:

  • air

  • water

  • soil

  • alimentary products

Explanation

Question 62 of 165

1

The object of the epidemiology of infectious diseases is

Select one of the following:

  • infectious process

  • epidemic process

  • source of infection

  • social factor

Explanation

Question 63 of 165

1

Source of infection for the infectious diseases may be

Select one of the following:

  • people

  • mosquito

  • flea

  • all the three above

Explanation

Question 64 of 165

1

The preparation for disinfection “Hibitan” is from the group

Select one of the following:

  • alcohols

  • biguanides

  • chlorine-containing

  • oxydizers

Explanation

Question 65 of 165

1

The leading factor(s) for distribution of nosocomial infections is (are)

Select one of the following:

  • hands of healthcare workers

  • mosquitoes

  • air

  • blood products

Explanation

Question 66 of 165

1

The re-immunization against measles in Bulgaria is on

Select one of the following:

  • 7 years

  • 11 years

  • 12 years

  • 17 years

Explanation

Question 67 of 165

1

The etiology agent of scarlet fever is

Select one of the following:

  • virus

  • rickettsia

  • chlamydia

  • bacteria

Explanation

Question 68 of 165

1

The source of infection for AIDS are

Select one of the following:

  • birds

  • people

  • monkeys

  • people and monkeys

Explanation

Question 69 of 165

1

What is the mechanism of transmission for salmonellosis

Select one of the following:

  • air-borne

  • fecal-oral

  • by insects

  • of the external envelopes

Explanation

Question 70 of 165

1

The dispensary surveillance for hepatitis A is

Select one of the following:

  • 1 month

  • 3 months

  • 12 months

  • 24 months

Explanation

Question 71 of 165

1

Source of infection for shigellosis are

Select one of the following:

  • animals

  • people and animals

  • people

  • birds

Explanation

Question 72 of 165

1

The contacts of an ill with hepatitis A are under medical surveillance for

Select one of the following:

  • 7 days

  • 15 days

  • 20 days

  • 45 days

Explanation

Question 73 of 165

1

The re-immunization against tuberculosis in Bulgaria is on

Select one of the following:

  • 5 years

  • 7 years

  • 15 years

  • 20 years

Explanation

Question 74 of 165

1

The etiology agent of measles is

Select one of the following:

  • virus

  • bacteria

  • chlamydia

  • spirochete

Explanation

Question 75 of 165

1

The source of infection for meningococcal infection is

Select one of the following:

  • the ill man only

  • sick animals only

  • the man – as sick or carrier

  • sick people and animals

Explanation

Question 76 of 165

1

The re-immunizations against poliomyelitis in Bulgaria are on

Select one of the following:

  • 13 month, 24 month, 11 years

  • 16 months and 6 years

  • 24 months, 7 years, 11 years

  • 24 months, 7 years, 12 years

Explanation

Question 77 of 165

1

The artificially acquired active immunity is created after

Select one of the following:

  • application of a vaccine

  • application of serum

  • suffering from some disease

  • transmitted from mother to baby

Explanation

Question 78 of 165

1

Secondary driving force of the epidemic process is

Select one of the following:

  • the etiology agent

  • the susceptibility of the population

  • the social factor

  • the mechanism of transmission

Explanation

Question 79 of 165

1

The epidemiology of the infectious diseases studies

Select one of the following:

  • viral hepatitis

  • hypertonia

  • ulcer

  • echinococcus

Explanation

Question 80 of 165

1

Chemical sterilization may be done with

Select one of the following:

  • chloramine

  • manusterol

  • ethylene oxyde

  • natrium hypochloridi

Explanation

Question 81 of 165

1

Port of entrance for poliomyelitis is (are)

Select one of the following:

  • only mucosa of nasopharynx

  • only intestinal mucosa

  • naso-pharyngeal and intestinal mucosa

  • intestinal mucosa and skin

Explanation

Question 82 of 165

1

The main route of transmission for S. dysenteriae is

Select one of the following:

  • person-to-person contact

  • water-borne

  • alimentary

  • blood-borne

Explanation

Question 83 of 165

1

Anthroponose infectious diseases are these with source of infection

Select one of the following:

  • animals

  • rodents

  • people

  • fleas

Explanation

Question 84 of 165

1

The rats may be source of infection for

Select one of the following:

  • viral hepatitis

  • salmonellosis

  • cholera

  • cholera and salmonellosis

Explanation

Question 85 of 165

1

Risk group for Crimean-Congo hemorrhagic fever are

Select one of the following:

  • seamen

  • alimentary workers

  • stockmen

  • building workers

Explanation

Question 86 of 165

1

The preparation for disinfection “perhydrol” (hydrogen peroxide 30%) is from the following chemical group

Select one of the following:

  • aldehydes

  • oxidizing agents

  • alcohols

  • phenols

Explanation

Question 87 of 165

1

Spores of microorganisms are destroyed by

Select one of the following:

  • chloramine

  • manusterol

  • sterilium

  • glutaraldehyde

Explanation

Question 88 of 165

1

Source of infection for hepatitis B are

Select one of the following:

  • diseased animals

  • only diseased people

  • diseased people and carriers

  • animals and people

Explanation

Question 89 of 165

1

It is recommended the immunization against influenza to be done

Select one of the following:

  • 2 times in the year

  • every year

  • 1 time for five years

  • 1 time for three years

Explanation

Question 90 of 165

1

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

Select one of the following:

  • 5 days

  • 9 days

  • 14 days

  • 20 days

Explanation

Question 91 of 165

1

After wounding it is applied

Select one of the following:

  • 0.5 ml tetanus toxoid

  • 1 ml tetanus toxoid

  • 0.1 ml tetanus toxoid

  • 2 ml tetanus toxoid

Explanation

Question 92 of 165

1

Specific location of vibrio cholera is

Select one of the following:

  • mouth

  • mucosa of small intestine

  • stomach

  • mucosa of large intestine

Explanation

Question 93 of 165

1

Persons from risk groups, who are convalescent carriers of salmonellosis, are allowed to work after

Select one of the following:

  • 7 days and 2 (-) results

  • 15 days and 2 (-) results

  • 15 days and 3 (-) results

  • 20 days and 3 (-) results

Explanation

Question 94 of 165

1

Re-immunization against pertussis in Bulgaria is done on

Select one of the following:

  • 10 month

  • 13 month

  • 6 years

  • 11 years

Explanation

Question 95 of 165

1

With disinfection we do destruction of

Select one of the following:

  • pathogenic microorganisms

  • spores

  • vegetative forms and spores

  • non of the three

Explanation

Question 96 of 165

1

The definition for epidemic process is

Select one of the following:

  • 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

Explanation

Question 97 of 165

1

The epidemic measures against the contact children to measles, less than 7
years, who have not passed the disease and are not immunized, are

Select one of the following:

  • 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

Explanation

Question 98 of 165

1

The air is main factor for infection transmission of

Select one of the following:

  • salmonellosis

  • leptospirosis

  • rubella

  • shigellosis

Explanation

Question 99 of 165

1

The protective titer of antibodies against rubella (reaction inhibition d’hemagglutination) is

Select one of the following:

  • 1:4

  • 1:8

  • 1:16

  • 1:32

Explanation

Question 100 of 165

1

As nosocomial infection may arise

Select one of the following:

  • Hemorrhagic fever with renal syndrome

  • Botulism

  • Crimean-Congo hemorrhagic fever

  • Rabies

Explanation

Question 101 of 165

1

The vaccine against poliomyelitis, used in Bulgaria, is

Select one of the following:

  • inactivated

  • toxoid

  • live

  • recombinant

Explanation

Question 102 of 165

1

Salmonella bacteria are excreted from the source of infection with

Select one of the following:

  • air sputters

  • blood

  • feces and urine

  • only with feces

Explanation

Question 103 of 165

1

Which of the following regiments is the right for the dry sterilizer

Select one of the following:

  • 120 °С - 2 h

  • 190 °С - 30 min

  • 160 °С - 2 h

  • 150 °С - 1 h

Explanation

Question 104 of 165

1

The preparation “glutaraldehyde” is used for

Select one of the following:

  • sanitation of objects

  • sanitation of hands

  • only for disinfection

  • disinfection and sterilization

Explanation

Question 105 of 165

1

Viral hepatitis A is transmitted by the following mechanism

Select one of the following:

  • air-borne

  • of the external envelopes

  • vector-borne

  • fecal-oral

Explanation

Question 106 of 165

1

In autoclave can not be sterilized

Select one of the following:

  • metal instruments

  • cotton tampons

  • textiles

  • leather materials

Explanation

Question 107 of 165

1

The vaccine against diphtheria in Bulgaria is

Select one of the following:

  • live

  • inactivated

  • recombinant

  • toxoid

Explanation

Question 108 of 165

1

The alimentary products are factor for transmission of

Select one of the following:

  • rubella

  • varicella

  • tetanus

  • salmonellosis

Explanation

Question 109 of 165

1

The diseased with diphtheria are discharged after the following negative results from the microbiological test for carriage

Select one of the following:

  • 1 (-) test

  • 2 (-) tests

  • 3 (-) tests

  • 4 (-) tests

Explanation

Question 110 of 165

1

Human Influenza viruses are divided on the following serotypes

Select one of the following:

  • А and В

  • А, В and С

  • А, В, С and D

  • А, В, С, D and Е

Explanation

Question 111 of 165

1

Secondary driving force of the epidemic process is

Select one of the following:

  • the etiology agent of the disease

  • the natural factor

  • the susceptibility of the population

  • the source of infection

Explanation

Question 112 of 165

1

The preparation for disinfection “Hibiscrub” is used for

Select one of the following:

  • surgical disinfection of the hands

  • utensils

  • surfaces

  • instruments

Explanation

Question 113 of 165

1

In Bulgaria the vaccine against tuberculosis is

Select one of the following:

  • recommended

  • routine

  • there isn’t effective vaccine

  • forbidden for use

Explanation

Question 114 of 165

1

The source of infection for scarlet fever is

Select one of the following:

  • sick animals

  • sick people

  • animals – carriers

  • people and animals

Explanation

Question 115 of 165

1

Poliomyelitis viruses are

Select one of the following:

  • one type

  • two types

  • three types

  • four types

Explanation

Question 116 of 165

1

AIDS is not transmitted by one of the following routes

Select one of the following:

  • blood-borne

  • sexual

  • vertical

  • person-to-person contact

Explanation

Question 117 of 165

1

The mechanism of transmission for varicella is

Select one of the following:

  • fecal-oral

  • air-borne

  • vector-borne

  • of the external envelopes

Explanation

Question 118 of 165

1

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

Select one of the following:

  • surveillance for 7 days

  • surveillance for 17 days

  • immunization and surveillance for 17 days

  • immune-globulin and surveillance for 10 days

Explanation

Question 119 of 165

1

The usual concentration of chlorine is

Select one of the following:

  • 3 % water solution

  • 10 % water solution

  • 1 % water solution

  • 5 % water solution

Explanation

Question 120 of 165

1

The soil is a factor for transmission of

Select one of the following:

  • AIDS

  • Tetanus

  • Rubella

  • Salmonellosis

Explanation

Question 121 of 165

1

The alimentary products are factor for transmission of

Select one of the following:

  • Hepatitis B

  • AIDS

  • Botulism

  • Measles

Explanation

Question 122 of 165

1

The main route for infection transmission of Shigellosis Flexneri is

Select one of the following:

  • water-borne

  • person-to-person contact

  • blood-borne

  • alimentary

Explanation

Question 123 of 165

1

The route for infection transmission of hepatitis B is

Select one of the following:

  • sexual

  • vertical

  • parenteral

  • all the three are possible

Explanation

Question 124 of 165

1

When a carriage continues more than 6 months, it is named

Select one of the following:

  • acute

  • sub-acute

  • chronic

  • convalescent

Explanation

Question 125 of 165

1

The vaccine against scarlet fever is

Select one of the following:

  • live

  • inactivated

  • toxoid

  • there is not effective vaccine for the moment

Explanation

Question 126 of 165

1

The sources of infection for measles are

Select one of the following:

  • diseased people

  • people - carriers

  • diseased animals

  • all of the three mentioned

Explanation

Question 127 of 165

1

The sources of infection for enteroviral infections are

Select one of the following:

  • diseased animals

  • animals - carriers

  • only diseased people

  • people – diseased and carriers

Explanation

Question 128 of 165

1

The incubation period for cholera is

Select one of the following:

  • 10 days

  • 20 days

  • 5 days

  • 1 day

Explanation

Question 129 of 165

1

The vaccine against pertussis is

Select one of the following:

  • live

  • inactivated

  • toxoid

  • acellular

Explanation

Question 130 of 165

1

In the environment HIV-virus is

Select one of the following:

  • highly resistant

  • non resistant

  • medium resistant

  • resistant for 10 days

Explanation

Question 131 of 165

1

The dispensary surveillance for hepatitis B is for

Select one of the following:

  • 6 months

  • 3 months

  • 2 years

  • 1 month

Explanation

Question 132 of 165

1

The diseased with varicella are isolated for

Select one of the following:

  • 10 days

  • 15 days

  • 21 days

  • to the scab of the rash

Explanation

Question 133 of 165

1

The water is a factor for transmission of

Select one of the following:

  • Q-fever

  • Foot-and-mouth disease

  • Tetanus

  • Hepatitis A

Explanation

Question 134 of 165

1

The convalescent carriers of salmonellosis from risk groups are under dispensary surveillance for

Select one of the following:

  • 1 month

  • 3 months

  • 6 months

  • 1 year

Explanation

Question 135 of 165

1

Which is the right regimen for autoclave

Select one of the following:

  • 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

Explanation

Question 136 of 165

1

The vaccine against influenza is

Select one of the following:

  • obligatory

  • recommended

  • not at all provided

  • routine

Explanation

Question 137 of 165

1

The dental consulting room is a risk place for

Select one of the following:

  • Viral hepatitis B, C and HIV

  • Rabies

  • Lyme disease

  • Tularemia

Explanation

Question 138 of 165

1

The surfaces are disinfected with

Select one of the following:

  • only rubbing

  • washing

  • rubbing and spraying

  • autoclave

Explanation

Question 139 of 165

1

Lints and cotton tampons are sterilized with

Select one of the following:

  • dry sterilizer

  • autoclave

  • ultraviolet rays

  • hibitan

Explanation

Question 140 of 165

1

Risk group for influenza are

Select one of the following:

  • healthcare workers

  • workers with foods

  • hunters

  • stockmen

Explanation

Question 141 of 165

1

The vaccine against tetanus is

Select one of the following:

  • live attenuated

  • toxoid

  • inactivated

  • recombinant

Explanation

Question 142 of 165

1

The isolation of a patient with shigellosis from risk group continues to

Select one of the following:

  • one

  • two

  • three

  • four (-) results from the microbiological test

Explanation

Question 143 of 165

1

The vaccine against hepatitis B is

Select one of the following:

  • live attenuated

  • inactivated

  • recombinant

  • toxoid

Explanation

Question 144 of 165

1

The port of entrée for mumps is

Select one of the following:

  • intestinal mucosa

  • wounded skin

  • respiratory mucosa

  • the place of tick bite

Explanation

Question 145 of 165

1

The natural factor is with the greatest importance for the following
infections

Select one of the following:

  • air-borne

  • intestinal

  • vector-borne

  • of the external envelopes

Explanation

Question 146 of 165

1

Life-long carriage may be observed after

Select one of the following:

  • rubella

  • hepatitis B

  • hepatitis А

  • cholera

Explanation

Question 147 of 165

1

Primary driving force of the epidemic process is

Select one of the following:

  • social factor

  • natural factor

  • source of infection

  • migration of the population

Explanation

Question 148 of 165

1

The sources of infection for meningococcal infection are

Select one of the following:

  • birds

  • only diseased people

  • domestic animals

  • people – diseased and carriers

Explanation

Question 149 of 165

1

Sources of infection for salmonellosis may be

Select one of the following:

  • infected people

  • infected fish

  • infected rodents

  • all of the three

Explanation

Question 150 of 165

1

The dental instruments are sterilized with

Select one of the following:

  • chlorine preparations

  • burning

  • preparations–oxidizers

  • autoclave

Explanation

Question 151 of 165

1

The sources of infection for cholera are

Select one of the following:

  • only diseased people

  • diseased animals

  • animals – carriers

  • people – diseased and carriers

Explanation

Question 152 of 165

1

Primary driving force(s) of the epidemic process is (are)

Select one of the following:

  • people

  • animals

  • mechanism of infection transmission

  • all the three

Explanation

Question 153 of 165

1

Тhe mechanism of transmission of the infection takes place in

Select one of the following:

  • 1 phase

  • 2 phases

  • 3 phases

  • 4 phases

Explanation

Question 154 of 165

1

Аccording to the immunization calendar of Bulgaria, the hepatitis B vaccine is administered with

Select one of the following:

  • 1 dose

  • 2 doses

  • 3 doses

  • 4 doses

Explanation

Question 155 of 165

1

Nosocomial infections occur in

Select one of the following:

  • patients in outpatient care

  • hospitalized patients

  • prophylactic examinations

  • all the three

Explanation

Question 156 of 165

1

The source of infection for cholera is (are)

Select one of the following:

  • infected people

  • contaminated water

  • contaminated food

  • all three

Explanation

Question 157 of 165

1

Diphtheria may be transmitted by the following mechanism

Select one of the following:

  • air-borne mechanism

  • person-to-person contact

  • alimentary

  • all three

Explanation

Question 158 of 165

1

Source of infection for measles may be

Select one of the following:

  • only ill people

  • people – ill and carriers

  • infected air

  • infected people and animals

Explanation

Question 159 of 165

1

The vertical transmission is not possible for

Select one of the following:

  • varicella

  • rubella

  • measles

  • hepatitis B

Explanation

Question 160 of 165

1

Spermatogenesis can be impaired in

Select one of the following:

  • rubella

  • measles

  • mumps

  • rubella and mumps

Explanation

Question 161 of 165

1

Which of the vaccines is not included in the immunization calendar of Bulgaria

Select one of the following:

  • against tuberculosis

  • against hepatitis B

  • against hepatitis A

  • against pertussis

Explanation

Question 162 of 165

1

Meningococcal infection is transmitted by

Select one of the following:

  • blood transfusion

  • air-borne mechanism

  • vertical mechanism

  • all three

Explanation

Question 163 of 165

1

Hepatitis E virus is with

Select one of the following:

  • 1 genotype

  • 2 genotypes

  • 3 genotypes

  • 4 genotypes

Explanation

Question 164 of 165

1

ECHO- and Coxsckie- viruses may be transmitted by

Select one of the following:

  • vertically

  • air-borne mechanism

  • fecal-oral mechanism

  • air-borne and fecal-oral mechanism

Explanation

Question 165 of 165

1

Source of infection for HIV/AIDS may be

Select one of the following:

  • infected people

  • infected monkeys

  • infected bats

  • all three

Explanation

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