There were registered 500 cases of urolithiasis per 10000 inhabitants. What kind of statictical indices is presented?

Periodical survey of a worker of a chemicals plant revealed a malignant neoplasm on the urinary bladder. This occupational disease was the most probably caused by contact with the following industrial poison:

A number of viable fetuses per 1000 women at the age between 15 and 44 is determined by:

Indices that characterize population health include demographic indices. What environment is used for calculation of these indices?

A young patient who came to a policlinic was diagnosed with the 1 stage of hypertension. How often should he undergo the medical check-up?

A district pediarician has carried out infant mortality rate analysis in his area. What data has been used?

Some of the population of a city district have uneven teeth color. The individuals have white spots, transverse brown stripes on the incisors. Occurrence of these symptoms is associated with the quality of drinking water from a deep well. Which of the following components of water can be the cause of the disease?

Deputy of chief medical officer carried out a study of morbidity rate for population which had been served at the polyclinics within the last 5 years. What statistical values can help in calculation of morbidity rates?

The parameter of infantile mortality for the last year was - 16,3, in present year - 15,7. Name a kind of the diagram that can be used for a graphic representation of it:

The Carpathian region is characterized by constant high humidity of atmospheric air (over 80¥%). Inhabitants of this region feel severe cold in corresponding season at a medium low temperature. It's caused by heat emission by:

It is planned to organize a rural outpatient clinic. The patients will be able to visit the doctors of the following specialities:

A city somatic hospital with 300 beds consists of the main building which houses the therapeutic and surgical departments. Several separate buildings house the maternity, pediatric and radiologic departments that are connected to the main building by underground walkways and above-ground covered skybridges. Specify the building system of the hospital:

A 9 y.o. child with diagnosis "chronic tonsillitis" stands dispanserization control. Within 1 year of observation there was one exacerbation of disease. Physical condition is satisfactory. The general state is not infringed. Define group of health:

What information gathering method is preferable to study housing conditions of medical students during training period?

Evaluation results of sanitary and hygiene conditions in a 4-bed ward were as follows: ward area - 30 m2 , height - 3,2 m, temperature - 20oC, humidity - 55%, air velocity - 0,1 m/s, window-to-floor area ratio - 1:5, daylight ratio - 0,6%, concentration of carbon dioxide in the air - 0,1%. Which of the given indicators does not meet hygienic requirements?

Hygienic expertise of a sample taken from the batch of grain revealed that 2¥% of grains were infected with microscopic Fusarium fungi. On the ground of laboratory analyses this batch of grain should be:

Educational rooms are illuminated with various lighting fittings. What type of lighting fittings is the most appropriate in respect of hygienic norms?

The district pediatrician is charged with the analysis of infant mortality. What is taken for the unit of observation in infant mortality investigation?

Define the basic registration document at the profound study of a case rate with temporary lost labor ability at the industrial enterprise:

A municipal hospital reported on the number of operated patients including fatal outcomes following the operations. Which index of hospital work can be calculated on the ground of this data?

Researchers studied disease incidence of influenza and acute respiratory viral infection within the last 5 years. What kind of graphic presentation should be used for the best visualization of this data?

Deputy of chief medical officer carried out a study of morbidity rate for population which had been served at the polyclinics for the last 5 years. What statistical values can help in calculations of diseases level dissamination?

In a city with population 400000 people 5600 fatal cases were recorded, including 3300 cases because of blood circulation diseases, 730 - because of tumors. What index will allow to characterize mortality from blood circulation diseases in this city?

Estimation of physical development of a child involved dynamometry and estimation of body weight and length, annual gain in body length, chest circumference, number of permanent teeth, secondary sexual characters, lung vital capacity. Which of the mentioned indices relates to the physiometric ones?

Examination of a 13-year-old boy reveals that his body length is 147 сm (+2), body weight - 38 kg (+1,5), circumference of chest - 72 cm (+0,2). Estimate the harmonicity of the child's physical development:

A child is 6 years old. Within one year of observation he had URI that lasted 8 days. Physical state is satisfactory. Specify hi health group:

At year-end hospital administration has obtained the following data: annual number of treated patients and average annual number of beds used for patients' treatment. What index of hospital work can be calculated on the base of this data?

A doctor of the general practice has registered the following death causes for the previous year: the first place was taken by cardiovascular diseases (60%), the second - by tumors (18%), then - traumas (8,3%) etc. What diagrams will provide the most substantial information about the registered ocurrences?

Study of natural illumination for a workplace in a secondary school classroom revealed that the angle of sunlight incidence was 25$^o$, window opening angle - 3$^o$, window-to-floor area ratio - 1:4, daylight ratio - 0,5\%, depth ratio - 2. What indicators do not meet hygienic standards?

A 30-year-old patient with complaints of occipital headache, disturbed sleep with nightmares came to a policlinic. BP was 150/95 mm Hg. He was diagnosed with hypertensic crisis. The patient should be registered in the following dispensary group for arterial hypertension surveillance:

Poorly refined wastes of an industrial plant are usually thrown into the river that supplies drinking water. It causes perishing of some microorganisms, disturbs processes of water self-purification and worsens its quality that can have negative influence upon people's health. How is this effect of environmental factors called?

Point out the unit for statistical observation for the determination of blood sugar level influence on a wound surface healing during postoperative period.

Sanitary-veterinary examination of a cow carcass revealed measle contamination (2-3 measles per 10 cm$^2$). What tactics should be chosen in respect of this meat consumption?

The student has the following devices: Geiger counter, Ebert counter, Krotov's apparatus, Mischuk device, Ebert device. What device can he use to assess air germ pollution?

Production areas of a greenhouse complex have the following microclimate parameters: air temperature - $42^oC$, humidity - 98¥%, air velocity - 0,05 mps, temperature of enclosing surfaces - $15^oC$. Characterize the microclimate of production areas:

Within the structure of the region's population the share of persons aged 0 to 14 years is 25%, the share of persons aged 50 years and older is 30%. What concept most accurately describes this demographic situation?

During coal extraction in a mine the concentration of coal dust in the working area is 450 mg/m$^3$ (MPC is 10 mg/m$^3$). What occupational respiratory disease may develop in miners?

During inspection of sanitary conditions of studying at a technical university it was necessary to evaluate the visual regimen of students, who study from 9 a.m to 3 p.m. What index of natural light will be the most informative?

A children's health camp received a party of tinned food. External examination of the tins revealed that they had deep dents, could be easily concaved when pressed and wouldn't immediately return to the initial state; rust was absent; the tins were greased with inedible fat. Specify the bloat type:

A therapeutist needs to analyze adult health in the area of service. Which groups of indicators will be included into this analysis?

Bakers at bread production work in conditions of high temperature and high heat radiation. What is used to increase the body's resistance to the unfavorable effects of these harmful work environment factors?

During the medical examination a port crane operator complained of dizziness, nausea, sense of pressure against tympanic membranes, tremor, dyspnoea, cough. He works aloft, the work is connected with emotional stress. Workers are affected by vibration (general and local), noise, ultrasound, microclimate that warms in summer and cools in winter. What factor are the worker's complaints connected with?

A 48-year-old male in-patient undergoes treatment for essential hypertension of II-B stage. It is known from history that he works in a design engineering office. His job involves neuro-emotional stress. Which of these foodstuffs do not stimulate the central nervous system and can be recommended for the patient?

Prevalence of a disease in region N amounted 1156 occurences per 1000 of inhabitants. What of the mentioned indices characterizes the disease prevalence?

The average body lenth of newborn boys is 50,9 cm at a sigma 1,66; and average mass - 3432 at a sigma 5,00. What criterion is necessary in order to compare degree of variability of these signs?

According to the report of water quality control, drinking city water has the following characteristics: turbidity - 1,5 mg/m$^3$, odour - 3 points, metallic taste - 2 points, pale yellow colour, colour index - $20^o$, temperature - $12^o$. Which of these factors doesn't comply with hygienic requirements?

A city's population is 400000 inhabitants in 2005 there were registered 5600 deaths, including 3300 cases caused by cardiovascular diseases, 730 - by tumours. Which of the following indicators allows to characterize the share of the circulatory system diseases as the cause of death in the city?

A hospital nutrition unit received a batch of beef. Sanitation physician examined the meat and revealed the presence of 5 bladder worms per 40 cm$^2$ of meat. Give the hygienic assessment of meat:

A study of the structure of death causes in the urban population revealed that cardiovascular diseases accounted for 55,0\% of all deaths. What statistic value represents these data?

A factory's sectorial doctor selects a group of persons who often fall ill for thorough monitoring. At the same time he takes into consideration the number of etiologically related cases with temporary disability in each of the employees over the last year. An employee falls into this group if the number of sickness cases is:

The air of a foundry worker's working zone contains condensation aerosol with dust particles sized 2 nm (90¥%), 2-5 nm (2¥%), over 5 nm(6¥%), below 2 nm (about 2¥%). Characterize the dust dispersivity:

What methods of the collecting of the information is preferable for study of housing conditions of students of medical HIGH SCHOOL for a training period?

On physiologic-sanitary examination of railway department work it was revealed that loaders work is of III degree of difficulty. They unload vagons with sand, manually break coagulated mass by shovel and shift it. What criteria was used to evaluate work of loaders?

Chief district pediatrician has to carry out analysis of infant mortality rate. What should he take as a unit of the observation?

Atmospheric air of an industrial centre is polluted with the following wastes of metallurgical plants: sulphuric, nitric, metal, carbon oxides that have negative influence upon the inhabitants' health. The effct of these hazards can be characterized as:

Studying of pulmonary tuberculosis incidence provided data about patients' socioeconomic living conditions and bad habits. What method allows to estimate the impact of these factors on tuberculosis incidence?

What juice should be included in a complex drug and dietary therapy for patients with gastric ulcer or duodenal ulcer and increased gastric juice acidity in order to accelerate the ulcer healing?

Within a year, in a maternity hospital there were 616 livebirths, one stillbirth, one infant died on the 5th day of life. What index can most accurately describe this situation?

It is determined that 30 of a 100 women with risk factor had preterm labor, and of a 100 women without risk factor 5 women had preterm labor. What method of statistic data processing should the doctor use in order to estimate reliability of differences between the compared groups?

A driver had been fixing a car in a closed garage and afterwards complained about headache, dizziness, nausea, muscle asthenia, sleepiness. Objectively: pulse and respiratory rate elevation, excitement, hypertension, delirium of persecution. What is the most likely diagnosis?

200 patients suffering from essential hypertension were examined in order to obtain data about patients' arterial pressure and age. What statistic value should be applied in order to measure relation between these characteristics?

Study of morbidity with temporary disability among workers of a machine building plant revealed that average duration of a case was 20 days. What diseases influenced upon the index value?

The correlation between the service record and eosinophil concentration in blood was studied in workers at dyeing shops of textile factories. What index will be the most informative for the analysis of this data?

An employee of a petrol station with 15 years of service record having contact with ethylated gasoline presents with memory impairment, bradycardia, sensation of having a hair in the mouth, skin paresthesia. In this case, one can assume intoxication with the following substance:

A heat station working on solid fuel is located in a residential district. On cloudy foggy days in december there was an increase in diseases with upper airway affection and signs of general intoxication. There were also mortal cases among the elderly people. What is the most likely factor that provoked toxic effect?

Examination of a 43-year-old man objectively revealed pallor of skin and mucous membranes, loss of tongue papillae, transverse striation of fingernails, cracks in the mouth corners, tachycardia. Blood test results: Hb- 90 g/l, anisocytosis, poikilocytosis. The most likely causative agent of this state is inadequate intake of:

Statistic of patients of common medical practice displays constant increase in elderly and old people number. What kind of pathology is expected to prevail in the morbidity structure of population in question?

A 9 y.o. girl has an average height and harmonic growth development. She was ill with acute respiratory infection for five times. Define the group of her health.

A 38 year old man was admitted to a hospital from his working place on July 19 because of hip fracture. He was invalid till November 19. Requires prolongation of treatment. Who decides on the issue of further temporary invalidity?

During the medical examination at school the schoolchildren had to undergo plantography. After the analysis of footprints platypodia was found in 30¥% of pupils. What is the percentage of the flatfoot isthmus?

A local doctor has to prepare a report about the health condition of the population of his region. What medical indexes of population health condition should he use?

The objective of a statistical study was to find out the extent of seeking medical care by the population. For this purpose 300 residents of the area were interviewed. Information was collected by means of a special questionnaire. What method of collecting information was used by researchers?

A student analyzes noise level of cold-pressing process. What device should be applied for this hygienic study?

A military unit stopped for 3-day's rest in an inhabited locality after a long march. The sanitary-epidemiological reconnaissance found several water sources. It is necessary to choose the source complying with the hygienic standards for drinking water in the field conditions:

A 12-year-old girls has minor functional and morphological abnormalities: 1,0 D myopia, reduced body resistance. The patient has no history of chronic diseases. Over the last year, there were 4 cases of respiratory diseases. The girl belongs to the following health group:

Administration of a plant producing red lead paint intends to form a group of medical specialists for periodical medical examinations. What specialist must be obligatory included into this group?

A patient complained about problems with pain and tactile sensitivity, pain in the nail bones at the end of the working day. He works at a plant with mechanical devices. What pathology can be suspected?

Choose a method of graphic representation of monthly information about the number of registered cases of acute intestinal infection and their comparison to the average monthly values, obtained for 5 last years:

It is determined that 30 of a 100 women with risk factor had preterm labor, and of a 100 women without risk factor 5 women had preterm labor. What method of statistic data processing should the doctor use in order to estimate reliability of differences between the compared groups?

To study physical development of children and adolescents, anthropometric investigations are widely used. Choose a physiometric method of investigation from the below given.

While asessing the health status of graduates of a secondary school, the doctor found one of them to have grade 3 tonsillar hypertrophy, chronic rhinitis and vegetative-vascular dystonia. The organism functionality is reduced. This student belongs to the following health group:

The results of 5 year monitoring allowed to estimate the level of environmental influence upon health indices of popultaion. What statistic method should be chosen?

Choose a method of a graphic representation of monthly information about number of the registered cases of acute intestinal infection and their comparisons to the average monthly values, obtained for 5 previous years:

Study of morbidity rate in a city N revealed that population of different administrative districts differed in age structure. What statistic method allows to eliminate influence of this factor upon morbidity indices?

In one of the surgical departments the quality assurance testing of sterilization of surgical instruments was performed. After an instrument had been treated with 1% phenolphthalein, the solution turned pink. This indicates that the instrument has:

It is planned to build a multi-disciplinary hospital with 500 beds in a town. Specify the location of a polyclinic within the medical centre:

Workers of a laboratory producing measuring devices (manometers, thermometers etc) complain about a mettalic taste in mouth, stomatitis, dyspepsia, sleep disturbance, unsteady walk, abrupt decrease in cardiac activity. These presentations must have been caused by the intoxication with the following substance:

A district doctor keeps the record of reconvalescents after infectious diseases, people who are disposed to frequent and long-lasting diseases, patients with chronic pathologies. What category of patients should belong to the III health group?

Environmental pollution is prevented by mechanical separation of nontoxic solid domestic waste. Specify the method which can be used for mechanical utilization of these wastes:

350 workers of a metalurgical plant had to undergo a yearly preventive examination. A territorial polyclinic carried out preventive examination of 325 workers. As a result of it, 1 worker was recognized as temporarily disabled, 15 workers underwent further rehabilitation at an after-work sanatorium, 10 workers were provided with diet meal. What index characterizing the preventive work of the polyclinic should be applied in this case?

An outpatient hospital made record of 11600 diseases within one year. Among them influenza and ARD make up 5800, circulatory system diseases - 3480, digestion diseases - 1300, other diseases - 1020. What relative index can be calculated according this data?

Estimation of community health level involved analysis of a report on diseases registered among the population of district under charge (reporting form 12). What index is calculated on the grounds of this report?

A selective population research study was aimed at exploring the effect of air emissions from a metallurgical plant on the obstructive bronchitis morbidity in a city. The calculated correlation coefficient was +0,79. Evaluate the strength and direction of the relationship:

In order to study impact of microclimate upon the human organism it is necessary to make systematic observation of air temperature over 3 days. Choose a device that will allow to make the most precise temperature records: