VARIANT 4

TESTS FOR EXAMINATION EPIDEMIOLOGY

Sign 1 right answer

1. Currently in the etiological structure of nosocomial infections one of the following prevails

a. gram-positive coccusb. anaerobic bacteriac. fungi (Candida )d. gram-negative aerobic bacteriae. depends on the type of hospital

Answer: e

2. In the case of transmissive zoonosis, the morbidity is a. connected to the natural nidality b. not connected to the natural nidality c. connected to the natural nidality under some infections Answer: a 3. In the case of sapronosis, the morbidity is

a. connected to the natural nidality b. not connected to the natural nidality c. connected to the natural nidality under some infections Answer: b

4. To maintain the epidemic process, it is necessary to have

a. the source of infection b. the mechanism of transmission c. the susceptible population d. all of the above Answer: d

5. The possibility of air dust transmission

a. depends on the resistance of the agent to environment factors b. doesn’t depend on the resistance of the agent to environment factors c. depends on the reduction rate of the virulence of the agent d. depends on the dispersion of the aerosol Answer: a

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6. The existence of periodicity, typical for the morbidity of some infections, is determined by

a. the change in life conditions b. natural fluctuations of the immune layer c. the change of nature-climate conditions d. the change of the activity of the transmission mechanism Answer: b

7. Which of the following measure against the susceptible organism?

a. treatment b. isolation c. immunoprophylaxis d. deratization Answer: c

8. Which of the following is the infection controlled mainly by sanitary-hygienic measures

a. anthroponosis with air-droplet mechanism of transmission b. anthroponosis with fecal-oral mechanism of transmission c. anthroponosis with vector born mechanism of transmission

d. anthroponosis with contact mechanism of transmission Answer: b

9. Which of the following patients should be hospitalized due to clinical indications a. all b. with the severe form of the disease c. living in unfavorable conditions or overly inhabited d. deprived groups of the population Answer: b

10. During anthroponos infections, the following measures are always undertaken for persons who have had contact with the patients a. bacteriological examination b. temporary separation c. urgent specific prevention d. medical observation e. none of the above Answer: d

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11. Sanitary treatment is undertaken for persons from the epidemic focus in the case of a. poliomyelitis b. epidemic typhus c. tick-borne encephalitis d. leptospyrosys Answer: b

12. .Deratization is

a. a series of measures against arthropods b. a series of measures against rodents c. sanitary-veterinary measures

d. annihilation of rodents mainly in their natural environment

Answer: b

13. Deratization has an important meaning in the struggle against infectious disease from groups which of the following a. anthroponoses b. sapronoses c. zoonoses Answer: c

14. The signs that are not characteristic of “hospital strains” are

a. high virulenceb. polyresistance to antibiotics

c. resistance to disinfectionsd. high sensitivity to antibiotics

Answer: d

15. The following are used as signs in epidemiological classification of the infectious diseases, except

a. reservoir of infectionb. clinical forms of clinical course c. mechanism of infection transmission

Answer: b

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16. Potential danger of infection source does not depend on

a. forms of the clinical course b. period of disease

c. virulence of agent and the amount of the agent exuded d. possibilities to realize the ways of agent transmission under specific conditions e. duration of incubation period Answer: e

17. The transmitters can participate in the realization of the following transmission mechanisms, except

a. fecal – oralb. contactc. transmissible d. air-droplet

Answer: d

18. The basic points of the epidemic process concept (according to Gromashevsky) are not a. the accordance of the transmission mechanism of the main localization of the agent in the host organism b. the ability of some agents to exist independently from a human in natural nidality c. the indissoluble links between the source of the infection, the mechanism of transmission and the susceptibility of the population Answer: b

19. The basic points of the alimentary way of transmission are defined as follows, with the exception of a. the possibility of food born b. the quantity of the agent, excreted by the infectious source c. the agent reproducing ability in food products Answer: b

20. The causative agents of the respiratory system cannot be transmitted by a. waterways b. air dust c. contact-household d. air droplets Answer: a

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21. Measures against the source of infection include all of the following, except a. clinical diagnostic b. regime-limitation c. sanitary-veterinary d. disinfection Answer: d

22. Which of the following are antiepidemic measures taken by the non medical staff include all of the following, except

a. hospitalization of infectious patients b. exposure bacterium-carriers c. vaccination of animals d. treatment of infectious diseased e. sanitary disinfection of persons who have had contact with the infected patients Answer: c

23. The following do not belong to determination of the source of the infection

a. inspection of workers of the food industry b. preliminary (while taking to work) medicine inspection of then staff of hospitals c. visit the patient at home by calling d. bacteriological inspection before planned hospitalization Answer: c

24. The quarantine in preschool institutions includes the following measures, except

a. conducting the planned prophylactic vaccinations b. prohibition of moving children from one group to another c. medical observation of the children, contacted with the diseased d. strengthening of sanitary hygiene regime Answer: a

25. Epidemic control on nosocomial infections does not include

a. analysis of patient sickness rateb. analysis of medical staff sickness ratec. identification of types of hospital strainsd. evaluation of efficiency of the procedures conductede. a plan of preventive measures to control nosocomial infections

Answer: e

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26. Chickenpox infectious period lasts

a. from the end of incubation till 5-th day from the moment of appearance of the last elements of rash

b. from the end of incubation period till 5-th day from the moment of rash appearancec. from the end of incubation period till the moment of the appearance of the last elements of rashd. from the end of incubation period till the crust falling-off

Correct is a

27. The final disinfection in the focus of chickenpox

a. is not performedb. it always performedc. it performed if the patient is hospitalized as per epidemiological indicationsd. it performed if the representatives of decreted groups are available in the focus

Correct is a

28. HIV infected patient presents a danger for others

a. only at clinical periodsb. only in terminal stagec. only in the stage of acute infectiond. only in stage of sub clinical [inapparent] infectione. lifelong

Correct is e29. Viral hepatitis A belongs to

a. anthroponosisb. zoonosisc. sapronosis

Correct is a

30. HIV in human organism is located in

a. lymphoidb. muscular tissuesc. epithelial tissuesd. skin and sub dermal cellulose Correct is a

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31. AIDS is defined as:

a. initial stage of HIV infection b. final stage of HIV infection with deep immunodeficiency and а range of opportunistic diseasesc. the stage of primary manifestations with HIV-infectiond. the stage of secondary diseases with HIV- infection

Correct is b

32. The causative agents of tetanus are

a. Virusesb. Clostridiasc. Listeriosisd. Toxoplasma e. Legionella Correct is b

33. Tetanus is refered to:

a. zoonosisb. sapronosisc. antroponosis Correct is b

34. Carriage of HBs-antigen is called chronic if antigenemis continues

a. up to 3 monthsb. more than 3 monthsc. up to 6 monthsd. more than 6 months

Correct is d

35. It is more frequent to define the immunity of a population with the hepatitis B virus if blood serum contains

a. HBsAgb. HBcAgc. Anti-HBcd. Anti-HBse. Anti-HBe

Correct is d

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36. On the 10th day in the hospital, the patient in the somatic department had liquid stool and Sh.Sonne were sown. They can be the result of

a. infection before hospitalizationb. infection in the hospitalc. infection both before hospitalization and in the hospital

Correct is b

37. On the third day of a stay in the somatic department, the patient was diagnosed with diphtheria which could be connected with

a. infection before admission to the hospitalb. infection in the hospitalc. infection occurring both before admission to the hospital and during the stay in the hospital

Correct is c

38. The natural foci of leptospirosis were created by

a. domestic rodents b. domestic animals c. trade animals with cellular contains d. wild animals

Correct is d

39. The most important preventive measure of tularemia is

a. deratizationb. immunoprophylaxisc. decrease of the number of arthropods d. sanitary-veterinary procedurese. early identification and isolation of patients

Correct is b

40. Diphtheria may considered as a regulated infection after which of the following activities

a. when the sick persons and carriers are discovered in time b. when the contagious places have been disinfected c. when prophylactic vaccination has been made d. when the circulation of corinebacteria has been monitored among the population Correct is c

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41. The prime importance in spreading and maintaining of epidemic process of diphtheria in the period of sporadic morbidity have

a. sick persons with a typical form of diphtheriab. sick persons with an erased form of diphtheriac. convalescenced. carriers of toxigenic corinebacteria

Correct is d

42. The following feature of corynebacterium has an epidemic value

a. hemolytic abilityb. level of virulencec. enzymatic activityd. toxigenic

Correct is d

43. When the level of morbidity of diphtheria is low, the main sources of infection are

a. sick persons with clinical symptoms of illnessb. sick persons with indefinite symptoms of illness c. reconvalscenced. healthy carriers of toxigenic strains

Correct is d

44. The hazard of catching diphtheria depends on

a. the level of anti-toxic immunityb. the level of anti-microbe immunityc. the correlation between the level of anti-microbe and anti-toxic immunityd. state of non specific immunity

Correct is a

45. For specific prophylaxis of diphtheria is used

a. diphtherial toxoid b. killed vaccinec. chemical vaccine d. antidiphtherial serum

Correct is a

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46. The following is not performed in the focus of meningococcal infection

a. current disinfection in full volume b. ventilation of the premisesc. wet clean up of the premisesd. reduction of crowds indoors Correct is a

47. As a rule, the following antiepidemic measures are performed in the kindergarten group, where the cases of measles are registered, except

a. isolation of the child who has measlesb. terminal disinfection of the full premises c. wet clean up of the premises and ventilationd. immunoglobulin introduction to the contacted, unvaccinated children who have temporary

contraindication of vaccinatione. introduction of alive measles vaccine to the children 49. Children who come in contact with the

patient who has measles are subject of medical observation, except

a. are vaccinated by MMR vaccine b. are vaccinated by immunoglobulinc. have already had measlesd. are not vaccinated and have not had measles

Correct is c

50. The source of infection in whooping cough cannot be

a. the patient of the effaced, atypical form b. the patient of the typical formf. the patient of the chronic form who haven’t had measles and were not vaccinated

Correct is b

48. MMR vaccine is used for preventive measures of measles except

a. at planned vaccinationb. at re-vaccinationc. as per epidemic indications to the children at the age of 1 and older who haven’t had measles

and were not vaccinated d. to protect the children who are in contact with the patients who have measles (at the age from 3

to 6 months)

Correct is d

c.d. the carrier of pertussis bacillus

Correct is c

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Sign all right answers

51. The causative agents of zoonosis are

1. obligate pathogenic human parasites 2. obligate conditionally pathogenic human parasites 3. obligate parasites of animals, pathogenic for a human 4. optional conditionally pathogenic parasites of a humans and animals

a) all of above b) 1, 3, 4 c) 1, 3 d) 3, 4 Answer: d 52. The following information on vaccinations performed must be written in a fixed registration form

1. the date of the medicine was injected 2. the name of the medicine 3. the dose of the medicine 4. the control number and series a) all of above b) 1, 3 c) 3, 4 d) 1, 2 Answer: a

53. The criteria for the quality of a biologic preparation is include

1. sterility 2. immunogenicity 3. harmlessness 4. freeze-drying a) all of above b) 1, 2, 3 c) 3, 4 d) 1, 3 Answer: b

54. Postvaccinal complications can be

1. the violation of the rules for the injection choice 2. the violation of the immunization technique 3. the violation of the cold chain 4. an individual reaction on the injection a) all of above b) 1, 3 c) 2, 3, 4 d) 3, 4 Answer: a 55. The schedule of preventive vaccinations requires

1. the age for vaccination 2. the preparation, used for injections at specific ages 3. the accepted combinations of injective preparations, administered simultaneously 4. the correct conditions for revaccination against tuberculosis a) all of above b) 2, 3, 4 c) 1, 3 d) 1, 4 Answer: a

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56. The results of bacteriological analysis depends on

1. the material was taken for the bacteriological analysis 2. the time of when the samples were brought to the lab 3. the quality of the food environments 4. the usage of antibiotics before starting the analysis a) all of above b) 1, 2 c) 3, 4 d) 1, 3 Answer: a

57. Most often nosocomial infections infection happen in the

1. operation room2. dressing room 3. procedure room4. ward

a) all of above b) 1, 2, 3 c) 1, 4 d) 2, 3, 4 Answer: b 58. The obstacles of stopping the spread of nosocomial infections can be as follows

1. reduction of the number of medical invasive interventions2. use of single-use instruments3. reduction of the time of stay in hospital4. adherence to antiepidemic regime in medical institutions5. general preventive vaccinations in medical institutions

a) all of above b) 1, 2 c) 1, 2, 3, 4 d) 2, 3, 4, 5 Answer: c

59. When choosing an effective measure of disinfection, one should take into account information about 1. the indication of the preparation 2. method of application 3. the regime of the usage 4. the construction of the disinfected object 5. the possibilities of usage for different types of disinfection a) all of above b) 1, 2, 5 c) 1, 2, 3 d) 2, 3, 4 Answer: a 60. When patient dies, final disinfection is carried out in the case of

1. influenza 2. plaque 3. neoplastic diseases 4. diphtheria

a)all of above b)1, 2 c)1, 3 d)2, 4 Answer: d

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61. The measures directed towards susceptible organism are

1. extra prophylaxis 2. vaccination 3. immunocorrection 4. isolation a) all of above b) 1, 2, 3 c) 2, 4 d) 1, 3 Answer: b

62. In the classic epidemiology antiepidemic measures are those which provide

1. prevention of the infection invasion into endemic territories 2. containment the infection from escaping the epidemic focus 3. limitation of the spread of the infectious diseases in the epidemic focus 4. elimination of the epidemic focus a) all of above b) 1, 2, 3 c) 2, 4 d) 2, 3, 4 Answer: d

63. The following measures are directed toward the mechanisms of transmission during anthroponose infections

1. revelation and isolation of the diseased person 2. disinfection of the room and personal things of the diseased person 3. urgent prevention for persons who had contact with the diseased person 4. trial for the transmitters amount reduce a) all of above b) 2, 4 c) 1, 2, 4 d) 2, 3, 4 Answer: b 64. The prescription for separation of persons who have had contact with the infectious patients depends on

1. the place of work 2. nozological form 3. making final disinfection 4. the date of receiving results of bacteriological analysis a) all of above b) 1, 2, 3 c) 1, 2 d) 1, 2, 4 Answer: c 65. Measures toward the mechanism of transmission exclude which of the following

1. regime-limit 2. sanitary-hygienic 3. desinsection 4. deratization a) all of above b) 1, 2, 4 c) 2, 3 d) 1, 2, 3 Answer: c

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66. In the classical epidemiology antiepidemic measures are a combination of scientifically proven recommendations ensuring which of the following

1. the prevention of rise of single and multi noninfectious diseases 2. the prevention of rise of single and multi infectious diseases 3. reduction of infectious diseases morbidity in the population 4. eradication of some infections a) all of above b) 2, 3 c) 2, 3, 4 d) 2, 4 Answer: c

67. The signs that are not characteristic of “hospital strains” are

1. high virulence 2. polyresistance to antibiotics 3. resistance to disinfections

4. high sensitivity to antibiotics a) all of above b) 1, 2, 3 c) 1, 4 d) 2, 3 Answer: b

68. The following infectious diseases belong to the nosocomial infections if

1. connected with medical care in hospitals 2. received in medical outpatient institutions 3. the disease develops in the patient while in the hospital during the incubation period4. the newborn develops a disease when passing through the birth canal (AIDS-infection, HB and

others) 5. it is registered as a professional hazard for medical employees

a) all of above b) 3, 4 c) 1, 2, 5 d) 4, 5 Answer: c

69. The groups of high risk of nosocomial infections can happen first of all in the following departments

1. surgical department2. therapeutics department3. neurology department4. gynecological department

a) all of above b) 2, 3 c) 1, 4 d) 1, 3 Answer: c

70. Among causative agents of nosocomial infections newborns in obstetric institutions most often have

1. Klebsiella2. Proteus3. Serratia4. Escherichia5. Staphylococcus aureus

a) all of above b) 2, 3 c) 3, 4 d) 1, 4, 5 Answer: d

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71. The terms of the final disinfection depend on

1. the patients place of residence (town, village) 2. nozoforms 3. the seriousness of the clinical picture 4. the number of contacted people a) all of above b) 1, 2, 3 c) 3, 4 d) 1, 2 Answer: d 72. The type of disinfection in the hospitals (preventive or local) depends on

1. the profile of the hospital 2. the presence of nosocomial infections 3. equipping the hospital with sophisticated medical-diagnostic equipment 4. the level of distribution of different objects a) all of above b) 1, 2 c) 3, 4 d) 1, 3 Answer: b

73. Bed clothes (linens) and crockery (plates and dishes) are disinfected by 1. boiling 2. refluxing in a disinfecting solution 3. autoclaving 4. disinfecting chamber a) all of above b) 1, 2, 3 c) 1, 2 d) 3, 4 Answer: c 74. The natural ways of transmission are

1. alimentary2. contact-houshold3. parenteral4. transmissive

a) all of above b)2, 4 c)3,4,5 d)1,5 Answer: b

75. The following arthropods take part in the transmission of zoonosis

1. ticks 2. bugs 3. fleas 4. cockroaches 5. mosquitoes

a) all b) 1, 3, 5 c) 2, 4 d) 3,4,5 Answer: b

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76. People are infected by cholera

1. through water2. through infected food3. when eating uncooked seafood4. contact-domestic way

a. all, b. 1, 2, 4 c. 1, 4 d. 1, 2, 3 Correct is a

77. The following countries are endemic on classical cholera

1. some countries of Africa2. Bangladesh3. India4. Pakistan5. Coast part of Gulf of Mexico

a. all, b. 1, 2, 4 c. 1, 4, 5 d. 2, 3, 4 Correct is d

78. Obligatory special prevention measures at cholera as a quarantine infection

1. transfer of information about the patient in regional HAE inspection centers 2. hospitalization of the patient 3. everyday single bacteriological control of tap water, water of open tanks and sewages4. quarantine introduction on the focus area

a. all, b. 1, 2, 4 c. 1, 2, 3 d. 2, 3, 4 Correct is a

79. To prevent the infection of hepatitis B virus the following people are dismissed from the list of donors

1. who had blood transfusions several years ago2. who visited the dentist during the last half of the year3. unknown etiology of a liver disease4. who had viral hepatitis regardless of the disease prescription

a. all, b. 1, 2, 4 c. 3, 4 d. 1, 2, 3 Correct is c

80. To prevent hepatitis B the following is applied

1. genetically engineered vaccine 2. plasma vaccine3. specific serum4. specific immunoglobulin5. specific immune plasma

a. all, b. 1, 2, 4 c. 1, 4 d. 1, 2, 3, 5 Correct is c

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81. Medical staff with detected HB-s antigenemia (surgeons, gynecologists, operation and procedure

nurses, etc…)

1. can continue to be engaged in professional activity without restrictions2. are not released from work if the perform all manipulations in rubber gloves3. are released from professional activity and transferred to other work which is not related to

the risk of patient infection4. are temporarily released from work when they have any damages of the skin

a. all, b. 1, 2, 4 c. 1, 4 d. 1, 2, 3 Correct is c

82. People who live in a family where a member has chronic hepatitis B or is an HBsAg carrier

1. are under dynamic medical examination2. have been under medical examination for 6 months3. are examined for HВsAg only once if the focus registers 4. are necessarily subject to deep clinical and laboratorial examinations 5. are subject to vaccinal prevention

a. all, b. 1, 2, 3 c. 2, 4, 5 d. 1, 3, 5 Correct is d

83. Infection with hepatitis B virus can happen in the following cases

1. hem transfusion2. use of personal hygiene items by several members of the family3. use of multi use medical instruments4. sexual intercourse 5. cosmetic manipulations connected with damage to the skin

a. all, b. 1, 2, 4 c. 2, 4, 5 d. 2, 3, 4 Correct is a

84. The following procedures, that are directed to preventive measures and control of hepaititis B, are

1. examination of separate categories of patients for HBsAg before accepting into a hospital2. use of specific preventive measures3. use of single-use medical instruments4. substitution (as much as possible) of transfusion of hemomedications with blood substitutes

or other infusion-transfusion means a. all, b. 1, 2, 3 c. 2, 4 d. 2, 3, 4 Correct is a

85. Name the possible sources of the rabies

1. fox 2. ticks 3. dogs 4. wolves

a. all, b. 1, 2, 3 c. 2, 4 d. 1, 3, 4 Correct is d

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86. The planned vaccinations against rabies must be carried out on

1. the whole population of the enzootic territories 2. hunters 3. laboratory workers, producing antirabic vaccine 4. the members of a hunter’s family

a. all, b. 2, 3 c. 2, 4 d. 2, 3, 4 Correct is b

87. When prescribing the course of antirabic vaccinations, the doctor must take into account

1. the character of contact with the animal 2. the information about the animal at the moment of contact 3. the gender of the patient 4. epidemic and epizootic situations for rabies in the given area

a. all, b. 1, 2, 4 c. 2, 4 d. 2, 3, 4 Correct is b

88. A combined course of injections against rabies is administered when there is

1. a deep wound in the right shank, from a fox bite 2. any bites or scratches on a face, hand, head, neck by domestic animals, that died 2 days after the bite 3. any bites and scratches on a face or hand by a stray dog, if the patient seeks medical attention the seventh day after the bite 4. an extensive wound on the shank caused by a chicken a. all, b. 1, 2, 3 c. 2, 4 d. 2, 3, 4

Correct is b89. A 5 year old child of was diagnosed with viral hepatitis (mild form). The child lives with

his parents in a communal apartment, what shoud be done

1. the patient isn’t hospitalized2. the patient is hospitalized by the epidemic indications3. the patient is hospitalized by the clinical indications4. the patient is hospitalized because the etiology the hepatitis is not determined

a. all, b. 1, 2, 3 c. 2, 4 d. 2, 3, 4 Correct is c

90. The source of infection of hepatitis A is

1. a patient with a manifested form 2. a patient without jaundice 3. virus carrier after convalesense 4. a healthy virus carries a. all, b. 1, 2 c. 2, 4 d. 2, 3, 4

Correct is b

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91. In the focus of hepatitis E which measures should be taken

1. activities directed towards the source of the infection 2. activities directed towards infection transmission mechanisms 3. activities directed towards susceptible organisms

a. all, b. 1, 2 c. 2, 4 d. 2, 3, 4 Correct is b

92. The activities directed at the source of the hepatitis A infection aren’t effective, because

1. it’s impossible to fully discover all cases 2. it’s impossible to fully l discover carriers3. it’s impossible to fully discover all sick people and carriers4. it’s impossible to discover the ill people in time

a. all, b. 1, 2, 3 c. 1, 4 d. 2, 3, 4 Correct is c

93. Eritrocitar schizogony lasts 48 h at

1. tertian malaria2. ovale malaria3. tropical malaria4. quartan malaria5. at all types of malaria

a. all, b. 1, 2, 3 c. 4, 5 d. 2, 3, 4, 5 Correct is b

94. The following is necessary to confirm the diagnosis and determine the type of malaria

1. thick blood film microscopy2. biochemical blood test3. blood smear microscopy4. blood sowing5. cerebrospinal fluid microscopy

a. all, b. 1, 3 c. 2, 4, 5 d. 2, 3, 4 Correct is b

95. Leptospira penetrates into organism of humans through

1. skin covers (damaged and undamaged)2. mucosa of mouth3. gastrointestinal tract4. lungs

a. all, b. 1, 2, 3 c. 2, 4 d. 3, 4 Correct is b

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96. The following are the most epidemiologically important at meningococcal infection

1. the patients with sharp nasopharyngitis2. the patients with meningoencephalitis3. "healthy" carriers of meningococces4. meningitis patient5. meningococcemia patient

a. all, b. 1, 3 c. 2, 4, 5 d. 2, 3, 4 Correct is b

97. The following belongs to the high risk group of infection with hepatitis B

1. operation and procedure nurses2. medical staff of the physiotherapeutic room3. laboratory assistants in clinical and biochemical laboratories4. medical staff of central sterilization departments

a. all, b. 1, 3 c. 2, 4 d. 2, 3, 4 Correct is b

98. The main hosts of tularemia infection in nature are

1. human2. water rats3. common voles4. hares5. pigs

a. all, b. 1, 2, 3 c. 1, 5 d. 2, 3, 4 Correct is d

99. The sources of infection of hepatitis E are

1. A patient with a manifested form 2. A patient without jaundice 3. Virus carrier after convalescence 4. A healthy virus carries a. all, b. 1, 2 c. 2, 4 d. 3, 4

Correct is b

100. Hepatitis А infection sources are

1. the patients with manifested symptoms2. the patients with anicteric form3. the virus carriers after illness4. healthy virus carriers

a. all, b. 1, 2, 3 c. 1, 2 d. 3, 4 Correct is c

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