Module ‒ Biostatistics Faculty ‒ Medical Course - 4 1. Standardised index can be calculated different methods. What of the below concerns one of methods of calculation of this index? A. Straight line B. Idle time C. Group D. Mixed E. Selective ANSWER: A 2. Standardised index can be calculated different methods. What of the below concerns method of calculation of this index? A. Mediated (indirect) B. Idle time C. Group D. Mixed E. Selective ANSWER: A 3. At calculation of the standardised indices different methods are used. What of the below concerns method of calculation of this index? A. Return B. Idle time C. Group D. Selective E. Mixed ANSWER: A 4. One of stages of calculation of the standardised indices direct method is the choice of kind of the standard. Define what from resulted it can be accepted for the standard. A. Sum of compared groups B. Phenomenon, uncharacteristic for the compared phenomena C. Average level of the phenomenon which is studied D. Average geometrical size E. Average sum of the phenomena in percentage ANSWER: A 5. Social medicine and the public health services organisation as teaching subject includes number of sections. What of the resulted positions is one of subject sections? A. Public health services system B. Primary preventive maintenance of diseases C. Secondary preventive maintenance of diseases D. Environment parametres E. Studying of influence of the industrial environment on population health ANSWER: A 6. During historical development of the general statistics in its structure different kinds of statistics have started to be formed. Specify the medical statistics concerns what statistics. A. Social B. Economic C. Political D. To the statistics of science E. To the statistics of formation ANSWER: A 7. In public health services system structural divisions which provide gathering, storage and the analysis of the medical information, have great value. How the subsection which provides this kind of work in treatment-and-prophylactic establishments is called? A. Information-analytical department B. Statistics office C. Office of gathering, storage and the information analysis D. Statistics department E. Statistics centre ANSWER: A 8. Statistical set is big group concerning homogeneous elements, actions, the phenomena which are taken together in certain limits of time and space. What is component of statistical set? A. Observation unit B. Registration sign C. Part of statistical set D. Statistical sign E. Signs which are subject to studying ANSWER: A 9. Public phenomena are studied taking into account various descriptive registration signs which characterise observation unit. How these signs are called? A. Attributive B. Momentary C. Quantitative D. Discrete E. Increate ANSWER: A 10. Population phenomena are studied taking into account considerable quantity of the various registration signs characterising observation unit. How signs which have only two values are called? A. Alternative B. Momentary C. Attributive D. Quantitative E. Discrete ANSWER: A 11. Each observation unit has considerable quantity of various registration signs. How registration signs which characterise the object of research studied for the certain moment of time are called? A. Momentary B. Attributive C. Quantitative D. Discrete E. Alternative ANSWER: A 12. Statistical set consists of observation units, they are characterised by registration signs. How quantitative signs which can accept only certain values are called? A. Discrete B. Momentary C. Interval D. Alternative E. Increate ANSWER: A 13. At the study of disease and death rate of the population often there is necessity of revealing of influence of factors of environment on the phenomenon which is studied. How registration signs under which influence others which depend on them change are called? A. Factorial B. Productive C. Alternative D. Discrete E. Increate ANSWER: A 14. For working out of complex of preventive actions for preservation and strengthening of health of the population, different factors are studied. How registration signs which change under the influence of the signs interconnected with them are called? A. Productive B. Factorial C. Alternative D. Discrete E. Increate ANSWER: A 15. At carrying out of statistical research the part of statistical set which is selected by special selective method is often used and intended for the characteristic of general statistical set. How this part is called? A. Selective statistical set B. Selective file C. Monographic description D. General statistical set E. Basic file ANSWER: A 16. Selective statistical set is part of general statistical set which is selected by special selective method and is intended for the characteristic of general statistical set. What is feature of sample? A. Representation B. Directed selection C. Heterogeneity of set D. Small quantity of supervision E. Sensitivity ANSWER: A 17. Statistical set is group which consists of considerable quantity concerning the homogeneous observation units taken together in certain limits of time and space. What of the below can be observation unit? A. Separate person, the separate phenomenon B. Certain subjects, the phenomena C. Certain contingents of persons D. Separate method of research E. Set of persons or the phenomena which are investigated ANSWER: A 18. At the study of the hospitalised disease official statistical registration documents were used: card of the patient who has left hospital, the case record and others. Define observation unit in this case. A. Case of hospitalisation sick which was treated in hospital B. Direction on hospitalisation from the family doctor C. Direction case on hospitalisation D. Call of the first aid which hospitalised the patient E. Self-reference in hospital ANSWER: A 19. Disease with time disability is one of kinds of disease of the population. What it is necessary to take for observation unit at studying of this kind of disease? A. Disability case in connection with disease of the worker or the worker who has received disability certificate B. Worker of factory C. Worker of factory hospitalised in hospital D. Disability case in connection with quarantine E. Disability case in connection with ARD ANSWER: A 20. Death rate of babies is one of the indices, characterising population state of health. What it is possible to take for observation unit at studying of this death rate? A. Child who has died aged till one year of life B. Case of death of the child in postnatal period C. Case of death of the child in perinatal period D. Death case in antenatal period E. Case of death of the child on the first month of life ANSWER: A 21. Statistical method has wide use in social medicine and public health services. Define what is one of the basic tasks of this method. A. Definition of laws of level of health of the population B. Medical aid estimation of cost C. Estimation of cost of the out-patient-polyclinic help D. Working out of biological methods of preventive maintenance of diseases E. Working out of parametres of environment ANSWER: A 22. Statistics is the analysis device that allows to do substantiated conclusions about the phenomenon which we study. At what stage of statistical research working out of breadboard models of statistical tables is spent? A. On the first B. On the third C. On the second D. On the fourth E. At stage of formation of problems of statistical research ANSWER: A 23. Signs which are studied can be quantitative (variation) and qualitative (attributive). What of the below concerns quantitative signs? A. Age of the person B. Trade C. Results of treatment D. Sex E. Diagnosis ANSWER: A 24. Signs which are studied, can be quantitative (variation) and qualitative (attributive). What of the below concerns qualitative signs? A. Diagnosis B. Pulse rate C. Age of the person D. Blood pressure level E. Weight (weight) of children ANSWER: A 25. Family doctor has applied intensity index to the characteristic of health of the population of site. What characterises this index? A. Frequency of the phenomenon in the environment B. Relative density of the phenomenon C. Parity between the phenomena which are connected among themselves D. Visually displays changes of the phenomenon in dynamics E. Heterogeneity of the phenomenon which is studied ANSWER: A 26. At the disease analysis, except indices which characterise frequency of diseases among the population, count also extensive indices. What characterises this index? A. Relative density, structure of the phenomenon which is studied B. Visually displays changes of the phenomenon in dynamics C. Prevalence of the phenomenon in the environment D. Parity between the investigated phenomena E. Heterogeneity of the phenomenon which is studied ANSWER: A 27. To estimation of activity of establishments of public health services of Ukraine apply parity indices. What characterises this index? A. Parity between the diverse phenomena B. Relative density of the phenomenon C. Frequency of the phenomenon in the environment D. Visually displays changes of the phenomenon in dynamics E. Relation of part of the phenomenon to the whole ANSWER: A 28. To the characteristic of work of bodies and public health services establishments often apply presentation index. What characterises this index? A. Visually represents changes of the investigated phenomenon in dynamics B. Relative density of the phenomenon C. Frequency of the phenomenon in the environment D. Parity between the investigated phenomena E. Relation of part of the phenomenon to the whole ANSWER: A 29. In practical public health services for the characteristic of disease, death rate, use intensive indices. What, except Wednesday in which these phenomena occur, it is necessary to know for calculation of intensive indices? A. Absolute numbers of the investigated phenomena B. Object of research C. Size of statistical set D. Distribution of the phenomenon to parts E. Parity between the phenomenon and basis ANSWER: A 30. What characterises extensiveness index? A. Phenomenon structure B. Frequency of the phenomenon C. Prevalence of the phenomenon D. Phenomenon level E. Dynamic phenomena ANSWER: A 31. For the characteristic of the phenomena which are studied, count different kinds of relative indices. Characterise essence of index of parity. A. Relation between diverse values B. Distribution of the phenomenon to parts C. Relation of each of compared values to the initial level accepted for 100 % D. Frequency of the phenomenon in the environment in which it occurs E. Relation of change of the phenomenon in dynamics ANSWER: A 32. What characterises presentation index? A. Relation of each of compared values to the level accepted for 100 % B. Distribution of set to its components C. Relation between diverse values D. Prevalence of the phenomenon which is studied E. Phenomenon standardization ANSWER: A 33. Specify the index of prevalence of traumatism concerns what kind of statistics among children? A. To the intensive B. To the extensive C. Parities D. Presentation E. To the standardised ANSWER: A 34. Specify the index of distribution of death rate of the population concerns what kind of statistics depending on its reasons. A. To the extensive B. To the intensive C. Parities D. Presentation E. To the standardised ANSWER: A 35. For the characteristic of the phenomena which are studied, count different kinds of relative indices. What of the resulted indices is extensive? A. Structure sick of stomach ulcer of stomach among all hospitalised in therapeutic department B. Decrease in disease by stomach ulcer on 13 cases C. Level of availability to population of beds of gastroenterologic profile D. Frequency of stomach ulcer at men at the age of 30-50 years E. Prevalence of stomach ulcer depending on hospitalisation term ANSWER: A 36. Age of the patient belongs to concept: A. Alternative sign B. Attributive sign C. Observation unit D. Statistical set E. Relative size ANSWER: A 37. Trade of the sick driver belongs to concept: A. Attributive sign B. Alternative sign C. Observation unit D. Statistical set E. Relative size ANSWER: A 38. Card of the patient who has left hospital concerns to: A. To the official program of gathering of material B. To the program of working out of material C. To the special program of gathering of material D. To program of analysis of material E. To the introduction program in practice ANSWER: A 39. Interpretation of the received intensive indices in comparison with standards concerns to: A. To program of analysis of material* B. To the program of working out of material C. To the special program of gathering of material D. To the introduction program in practice E. To the official program of gathering of material ANSWER: A 40. What of methods of medical statistics allows to establish orientation, force and degree of influence of certain factors, on level of health of the population? A. Correlation analysis B. Variation analysis C. Dynamic analysis D. Standardization of indices E. Economic methods ANSWER: A 41. What of criteria of estimation of degree of heterogeneity of signs is defined by difference of extreme values variant? A. Amplitude B. Fashion C. Median D. Average quadratic deviation E. Variation factor ANSWER: A 42. Specify, at what stage of direct method of standardization we spend choice and standard calculation? A. ІІ B. І C. ІІІ D. IV E. V ANSWER: A 43. Specify, to what standardization of indices is applied? A. Comparative estimation of demographic indices in different age and sexual groups. B. Analysis of demographic indices. C. Analysis of indices of disease. D. Analysis of indices of activity of hospital. E. Analysis of indices of activity of polyclinic. ANSWER: A 44. Method of standardization of indices allows to spend: A. Elimination of influence of heterogeneity as part of set which is studied. B. Comparison of the indices calculated in quantitatively non-uniform set. C. Comparison of the indices calculated in qualitatively non-uniform set. D. Studying and the analysis of dynamics of indices. E. Estimation of correlation between the phenomena. ANSWER: A 45. What method of standardization apply more often? A. Straight line B. Indirect C. Return D. Full E. Partial ANSWER: A 46. Than more often heterogeneity of set is caused? A. Different age and sexual structure. B. Different quantitative structure. C. Unequal number of supervision. D. Small number of supervision. E. Great number of supervision. ANSWER: A 47. To what apply graphic representations in the statistics? A. Evident image of statistical values, their profound analysis. B. Estimation of reliability of results of statistical research. C. Interrelation studying between the phenomena. D. Standardization of indices. E. Calculation of error of relative and average values. ANSWER: A 48. In practical public health services often it is necessary to count the standardised indices. In what practical value of method of standardization consists? A. Allows to find out influence of heterogeneity of investigated groups on the investigated phenomenon B. Allows to estimate dynamic indices C. Allows to compare extensive indices D. Allows to define heterogeneity of investigated groups E. Allows to compare parity indices in non-uniform groups ANSWER: A 49. At calculation of the standardised index calculate different derivative values. What of them can display the valid frequency of the phenomenon in the environment? A. Intensive indices B. "Expected" numbers in groups C. Standardised D. Sum of "expected" numbers in aggregate which is studied E. Extensive indices ANSWER: A 50. Graphic representations have wide use for evident display of different statistical values. On what diagrams it is possible to display the standardised indices? A. Column diagrams B. Sector diagrams C. Intra-column diagrams D. Radial diagrams E. It is possible to use all diagrams ANSWER: A 51. For evident representation of different statistical values, and also for their analysis graphic representations are widely used. On what diagrams it is possible to display the valid and standardised indices in dynamics? A. Linear B. Cartograms C. Column D. Intra-column E. Radial ANSWER: A 52. Essence of direct method of standardization consists in exception of influence on the general index of heterogeneity of structure of investigated groups. Name 3rd stage of calculation of the standardised indices. A. Calculation of expected values taking into account the standard* B. Choice and standard calculation C. Calculation of the general and by-group indices D. Definition of the standardised indices E. Comparison of the intensive and standardised indices ANSWER: A 53. Specify the first property of statistical totality. A. Distribution B. Correlation C. Representativeness D. Variety E. Average level ANSWER: A 54. Specify the second property of statistical totality. A. Average level B. Correlation C. Representativeness D. Variety E. Distribution ANSWER: A 55. Specify the third property of statistical totality. A. Variety B. Correlation C. Representativeness D. Average level E. Distribution ANSWER: A 56. Specify the fourth property of statistical totality. A. Representativeness B. Correlation C. Variety D. Average level E. Distribution ANSWER: A 57. Specify the fifth property of statistical totality. A. Correlation B. Representativeness C. Variety D. Average level E. Distribution ANSWER: A 58. Relative values are criteria of: A. І property of statistical totality B. ІІ property of statistical totality C. ІІІ property of statistical totality D. ІV property of statistical totality E. V property of statistical totality ANSWER: A 59. Moda, median and arithmetic average value are the criteria of: A. ІІ property of statistical totality B. І property of statistical totality C. ІІІ property of statistical totality D. ІV property of statistical totality E. V property of statistical totality ANSWER: A 60. Limit, the amplitude and average squared deviation of variation are criteria of: A. ІІІ property of statistical totality B. І property of statistical totality C. ІІ property of statistical totality D. ІV property of statistical totality E. V property of statistical totality ANSWER: A 61. Errors of average and relative values are criteria of: A. ІV property of statistical totality B. І property of statistical totality C. ІІ property of statistical totality D. ІІІ property of statistical totality E. V property of statistical totality ANSWER: A 62. The coefficients of correlation and regression are the criteria of: A. V property of statistical totality B. І property of statistical totality C. ІІ property of statistical totality D. ІІІ property of statistical totality E. ІV property of statistical totality ANSWER: A 63. Give an example of environment for calculation the intensive index. A. Average annual number of the population B. Number of deaths C. Number of beds D. The number of doctors E. The total number of respiratory diseases ANSWER: A 64. Give an example of environment for calculation the extensive index. A. The total number of respiratory diseases B. Number of deaths C. Average annual number of the population D. The total number of respiratory diseases E. Number of doctors ANSWER: A 65. Give an example of environment for calculation the index of correlation. A. Average annual number of the population B. Number of deaths C. Number of beds D. Number of doctors E. The total number of respiratory diseases ANSWER: A 66. What is the arithmetic average value can calculate in a number of variations row, where the frequency of each option is equal to one? A. Simple arithmetic average B. Weighted arithmetic average C. Median D. Amplitude E. Limit ANSWER: A 67. What is the arithmetic average value can calculate from a variation row where each variant occurs with some frequency? A. Weighted arithmetic average B. Simple arithmetic average C. Average harmonic D. Average Geometric E. All answers correct ANSWER: A 68. Determine how option is called, that occupies a middle position in a number of variations. A. Median B. Arithmetic average C. Simple arithmetic average D. Weighted arithmetic average E. Moda ANSWER: A 69. What are the criteria of the degree of inhomogeneity of signs are determined by extreme values of the variant in variation row? A. Limit B. Median C. Moda D. The average square deviation E. Coefficient of variation ANSWER: A 70. What are the criteria for assessing the degree of heterogeneity characteristics determined by the difference of extreme values variants? A. Amplitude B. Moda C. Median D. The average square deviation E. Coefficient of variation ANSWER: A 71. To assess the reliability of the results of statistical analysis is necessary to determine: A. Error B. Moda C. Median D. Arithmetic average E. Coefficient of variation ANSWER: A 72. The error of the results of statistical analysis used to: A. Estimates of reliability B. Recruiting research groups C. Homogeneity research D. Definition of interrelation E. Definition of diversity ANSWER: A 73. What is the error of selective research? A. The difference between a random and continuous research. B. The difference between the largest and smallest value variant. C. The difference between rates in the experimental and control groups. D. Ordinary important features that is studied. E. The arithmetic average square deviation. ANSWER: A 74. The difference between a random and continuous research - it is: A. Error B. Moda C. median D. The arithmetic average E. Coefficient of variation ANSWER: A 75. What value of t corresponds to the probability of error-free prognosis (p) 95.5 %? A. 2 B. 1 C. 5 D. 0,5 E. 3 ANSWER: A 76. Which of the methods of statistical data should be used to assess the extent of influence of environmental factors on human health? A. Correlation analysis B. Analysis of the dynamic range C. Calculation of the relative and of average values D. Methods of assessing the likely differences E. Methods of standardization ANSWER: A 77. In the study of morbidity with pulmonary tuberculosis were received data of social conditions and bad habits of patients. Which of the following methods allows estimating effect of tobacco smoking influence on the incidence of tuberculosis? A. Calculation correlation coefficient B. The analysis of the dynamic range C. Calculation regression coefficient D. Calculation standardized indices E. Evaluation of reliability performance differences ANSWER: A 78. What statistical method for handling the material should be used to establish the link between morbidity and temperature conditions of the environment? A. Correlations B. Relative performance C. Standardization D. Averages E. Dynamic series ANSWER: A 79. In studying the incidence of typhoid fever depends on the coverage of vaccination found that among these features is the average force feedback. In which of the digital range is the correlation coefficient? A. From -0.30 to -0.69 B. From -0.70 to -0.99 C. From 0.01 to 0.29 D. From 0.30 to 0.69 E. From 0.70 to 0.99 ANSWER: A 80. Coefficient of rank correlation is 0.59. What is the relationship between attributes? A. Direct of medium strength B. Strong direct C. Strong back D. Weak direct E. Weak back ANSWER: A 81. What is the average squared deviation? A. It is value, on which declined on average attribute value of the average level B. This mean square deviation values of attributes of the average level C. This is the average vibration value features around the average D. This is the maximum amplitude values of attributes in the totality E. This is the value of extreme variant of variations row ANSWER: A 82. The annual report contains data about the level of prevalence of diseases among the population of the district for several years. What type of graphic representation should apply in this case? A. Linear diagram B. Column diagram C. Sector diagram D. Mapgram E. Map diagram ANSWER: A 83. What type of graphic image can use to image the change of temperature of human body during the day (closed cycle)? A. Radial diagram B. Column diagram C. Linear diagram D. Mapgram E. Sector diagram ANSWER: A 84. For analysis contains data on the structure of diseases. Define what diagram should use in this case. A. Intra-Column diagram B. Mapgram C. Radial diagram D. Column diagram E. Linear diagram ANSWER: A 85. Head of Information and Analytical Center conducted an analysis of morbidity in the region, including the primary. With the help of what diagram should be graphically depicted the results of this study? A. Sector diagrams B. Column diagrams C. Radial diagrams D. Linear diagrams E. Figured diagrams ANSWER: A 86. Infant mortality rate for the last year was – 9,7 ‰, this year – 9,5 ‰. Identify the type of diagrams that can be used for graphic images. A. Column diagram B. Sector diagram C. Figured diagram D. Intra-column diagram E. Radial diagram ANSWER: A 87. In the practice of general practitioners commonly use different diagrams. Linear diagram reflects: A. The dynamics of the phenomenon that is studied B. The structure of the phenomenon C. Value of phenomena D. Size of phenomena which are studied E. Phenomena with cyclic pattern ANSWER: A 88. In the practice of general practitioners commonly use different diagrams. IntraColumn diagram displays: A. The structure of the phenomenon B. The dynamics of the phenomenon that is studied C. Value of phenomena D. Size of phenomena which are studied E. Phenomena with cyclic pattern ANSWER: A 89. Which of the below indices are used for analysis of the dynamic series? A. Absolute increase, growth rate, rate of increase B. Minimum and maximum value of indices of the series C. Correlation and regression coefficient D. Mode, median, mean E. Limit, amplitude, standard deviation, variation coefficient ANSWER: A 90. Difference between current level of the dynamic series and the former is: A. Absolute increase B. Rate of increase C. Growth rate D. Absolute value 1 % of increase E. Index of visualization ANSWER: A 91. Ratio of current level of the dynamic series to base level of the series is: A. Index of visualization B. Absolute increase C. Rate of increase D. Growth rate E. Absolute value 1 % of increase ANSWER: A 92. Ratio of current level of the dynamic series to the former level in percentage is: A. Growth rate B. Index of visualization C. Absolute increase D. Rate of increase E. Absolute value 1 % of increase ANSWER: A 93. Ratio of absolute increase of the dynamic series to the former level in percentage is: A. Rate of increase B. Growth rate C. Index of visualization D. Absolute increase E. Absolute value 1 % of increase ANSWER: A 94. What values in the medical statistics give generalising characteristic of the phenomenon to a qualitative attribute? A. The relative B. Averages C. Relative, average D. The absolute E. The standardised ANSWER: A 95. Specify an example of extensive size A. Particle of children among all population B. Average life expectancy C. Availability of the population of average medical staff D. Bed turn E. Disease of the population ANSWER: A 96. Which of the below indices are extensive? A. Structure of the hospitalised disease B. Decrease in the hospitalised disease on 5% C. Death rate of children from traumas D. Level of a children's traumatism E. Bed turn ANSWER: A 97. At an estimation of degree of heterogeneity of average growth of schoolboys it is established that the variation factor has made 28%. Estimate degree of a variation of an attribute: A. The high B. Very low C. The low D. Average E. Very high ANSWER: A 98. Clinic-statistical research of action of a new pharmacological preparation on patients with an ischemic heart trouble is conducted. This data was compared to results in control group. What parametrical criterion (factor) can be used for an estimation of reliability of results? A. Factor of Student B. Conformity factor C. Criterion of attributes D. T-criterion of Wilkinson E. Kolmogorov-Smirnova criterion ANSWER: A 99. There was a studied structure of primary disease of the population. With the care of what diagram, results of the given research should be graphically represented? A. The sector diagram B. The stylar diagram C. The radial diagram D. The linear diagram E. The figured diagram ANSWER: A 100. With what care of diagrams display regional features of death rate of the population of Ukraine? A. Cartograms, map diagrams. B. Stylar and linear diagrams, cartograms, map diagrams. C. Sector and intrastylar diagrams. D. Radial (polar) diagrams. E. Figured and intrastylar diagrams. ANSWER: A