Biostat Post Test

BIOSTATISTICS POST TEST INSTRUCTIONS. Select the correct answer for each of the following questions. Mark only one answer for each item by shading the box corresponding to the letter of your choice on the answer sheet provided. STRICTLY NO ERASURES ALLOWED. Use pencil no. 2 only. Situation I: Epidemiology and Vital statistics is a very important tool that a nurse could use in controlling the spread of disease in the community and at the same time, surveying the impact of the disease on the population and prevent it’s future occurrence. 1. Maternal mortality rate is the number of the maternal deaths per 1,000 live births in a specific year. Which one behavior is the correct formula? a. Total no. of deaths from maternal cause x 1000 Total no. of live births registered of same year b. Total no. of deaths under one year of age x 1000 Total no. of registered live births of same calendar year c. Total no of deaths from maternal cause registered for a given year x 1000 Total no. of live births registered of same year d. No. of deaths due to maternal cause x 1000 live births No. of fetal deaths of same year 2. It is concerned in the study of factors that influence the occurrence and distribution of diseases, defects disability or deaths. This is: a. Epidemiology c. Public Health b. Community Health Nursing d. Statistics 3. According to the survey, there is an increase incidence of dengue in Palawan. Incidence rate means? a. New cases c. Old and new cases b. Old cases d. Outbreak 4. The estimate of the past and present occurrence of disease in a given locality is referred to as: a. Swaroop’s index c. Incidence rate b. Case fatality rate d. Prevalence rate 5. Crude birth rate is a measure of characteristic of the natural growth on increase of a population. In order to get the CBR, you will use which formula? a. Total no. of deaths registered in a given calendar year x 1,000 Estimated population as of July 1 of same year b. Total no. of live births registered in a given year x 1,000 Estimated population as of July 1 of same year c. No. of deaths under 28 days x 1,000 No. of live birth registered of the same year d. Total no. of deaths from maternal cause x 1,000 Total no.of live birth 1 REPRODUCTION IS STRICTLY PROHIBITED! N.G.R.T.C.I Iloilo (033)320-2053 Bacolod (034)433-3353 Kalibo (036)268-2213

6. The habitual occurrence of a disease is referred which indicates low number of both immunes and susceptible is referred to as: a. Endemic c. Sporadic b. Herd immunity d. Epidemic 7. Which level of prevention does case finding and screening falls into: a. Primary level of prevention c. Tertiary level of prevention b. Secondary level of prevention d. Complete level of prevention 8. Ma’am dela Cruz is explaining about the rate which shows the relationship between a vital event and those persons exposed to the occurrence of said event, within given area and during a specified unit of time. What measures the frequency of occurrence of the phenomenon during a given period of time? a. Incidence Rate c. Attack Rate b. Infant mortality rate d. Prevalence Rate 9. The last step in epidemiological investigation is: a. Establish presence of epidemic b. Establish time and space relationship of the disease c. Correlation of all data obtained d. Relations to characteristic of the group of community 10.The agent-host-environment model of health and illness is based on the concept of: a. Risk factors c. Behaviors to promote health b. Infectious diseases d. Stages if illness 11.Infant mortality rate measures the risk of dying during the first year of life. What is the formula of IMR? a. Total no. of deaths under 28 days of age registered in a given calendar year x 1,000 No. of live births registered of same year b. Total no. of livebirths registered in a given calendar year x 1,000 Estimated population as July 1 of same year c. Total no. of deaths under 1 year of age registered in a given calendar year x 1,000 Total no. of registered live births of same calendar year d. Total no. of fetal deaths registered in a given calendar year x 1,000 Total no. of live births registered of same year 12.The period of communicability during which there is a significant threat of transmitting the infection to a susceptible individual may occur during which of the following phases? a. Acute phase c. Prodromal stage b. Incubation period d. Any of these phases 13.The prodromal phase of an illness is characterized by: a. Carrier state c. Incubation period b. Appearance of first signs/symptoms d. Acute phase 14.An unknown epidemic has just been reported in Barangay Arukanan. People said that affected person demonstrates hemorrhagic type of fever. You are designated now to plan for epidemiological investigation. Arrange the sequence of events in accordance with the correct outline plan for epidemiological investigation: 1. Report the presence of dengue 2. Summarize data and conclude the final picture of epidemic 3. Relate the occurrence to the population group, facilities, food supply and carriers 4. Determine if the disease is factual or real 5. Determine any unusual prevalence of the disease and its nature; is it epidemic, sporadic, endemic or pandemic? 6. Determine onset and the geographical limitation of the disease. a. 4,1,3,5,2,6 c. 5,4,6,2,1,3 b. 4,1,5,6,3,2 d. 1,2,3,4,5,6

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15.All of the following are specific roles of Nurse Budek in epidemiological investigation except: a. Surveillance of infectious diseases b. Refer cases to hospitals as necessary c. Laboratory diagnosis d. Follow up cases and contacts. 16.The office in charge with registering vital facts including age, sex and distribution in the Philippines is none other than the: a. PCSO c. NSO b. PAGCOOR d. DOH 17.This refers to systematic study of vital events such as births, illnesses, marriages , divorces and deaths: a. Epidemiology c. Health Statistics b. Demographics d. Vital Statistics 18.In case of clerical errors in your birth certificate. Where should you go to have it corrected? a. NSO c. Municipal Trial Court b, Court of Appeals d. Local Civil Registrar 19.These rates are referred to the total living population. It must be presumed that the total population was exposed to the risk of occurrence of the event. a. Rate c. Crude/General Rates b. Ratio d. Specific Rate 20.These are used to describe the relationship between two numerical quantities or measures of events without taking particular considerations to the time or place. a. Rate c. Crude/General Rates b. Ratio d. Specific Rate 21.This is the most sensitive index in determining the general health condition of a community since it reflects the changes in the environment and medical conditions of a community. a. Crude death rate c. Maternal Mortality rate b. Infant mortality rate d. Fetal death rate 22.In reporting the birth of Baby Lestat, where will he be registered? a. Local Civil Registrar c. City Health Department b. National Statistics Office d. FHSIS Main Office 23.The epidemiologic triad consists of the following but one: a. Environment c. Treatment b. Host d. Agent 24.This is described by dividing the number of persons in a household by the number of rooms used by the family for sleeping: a. Population density c. Dependency ratio b. Crowding index d. Urban-rural distribution 25.The method of doing census where people are assigned to the place where they are physically present at the time of the census, regardless of their usual plce of residence is: a. de jure c. de facto b. de juror d. in facto 26.You are a CHN assigned in Brgy. Wako. Applying your knowledge of demography, you noted that the Mang PNoy’s household has a crowding index of 1, while Mang Tonyo’s household has a crowding index of 2. Analyzing the data, where will disease transmission be faster? a. In Mang Teroy’s household b. In Mang Tonyo’s household c. In both households d. In neither of the households because the data is irrelevant to the question 27.The statement, “The higher the population density, the more congested the area, the easier the disease transmission,” generally means that: a. Epidemics are likely to occur in rural communities. b. Epidemics are likely to occur in middle class subdivision in cities. c. Epidemics are likely to occur in urban poor communities. d. Epidemics have nothing to do with population density. 3 REPRODUCTION IS STRICTLY PROHIBITED! N.G.R.T.C.I Iloilo (033)320-2053 Bacolod (034)433-3353 Kalibo (036)268-2213

28.The urban-rural distribution of a country aids national planners in identifying the area where to concentrate its health services on. As a community health nurse, given the urban-rural distribution in the Philippines, you know very well that health services, should generally concentrated in: a. the rural areas c. selected areas in the city b. the urban areas d. urban poor communities 29.A sex ratio of 99 in Brgy. San Jose indicates that: a. there are 99 females in Brgy. San Jose b. there are 99 males in Brgy. San Jose c. there are 99 females for every 100 males in Brgy. San Jose d. there are 99 males for every 100 females in Brgy. San Jose 30.Which of the following is the backbone in disease prevention? a. Epidemiology c. Vital Statistics b. Demographics d. Health Statistics 31.It helps the nurse to explain the probable cause of health conditions that occur in the community: a. Vital statistics c. Multiple causation theory b. Demography d. Epidemiology 32.This is an important indicator in assessing the impact of the program on the family planning and reproductive behavior: a. Total Fertility Rate c. Crude Birth Rate b. Maternal Mortality Rate d. General Fertility Rate 33.Data presentation will depend largely on the type of data obtained. Numerical data may be presented into table or graphs. Tables or graphs are useful in showing key information making it easier to show comparisons including patterns and trends. It is used for comparisons of absolute or relative counts and rates between categories: a. Line Graph c. Proportional graph b. Bar Graph d. Scattered Graph 34.In the community, after home delivery who files the birth certificates in the civil registry? a. Nurse c. Midwife b. Physician d. BHW 35.Nurse Katarina is providing tertiary prevention to Daniel. An example of tertiary prevention is: a. Poison control c. Self-examination for breast CA b. Indentifying complications of diabetes d. Marriage Counseling 36.Aryana was exposed to viral Hepatitis. Hence she was given an injection of gamma globulin by her physician. This is: a. Natural active immunity c. Artificial active immunity b. Natural passive immunity d. Artificial passive immunity For items 37-40, choose the type of community response to a disease agent invasion: a. Sporadic b. Epidemic

c. Endemic d. Pandemic

37.2-3 cases of dengue hemorrhagic fever in Brgy. Filomena 38.Pneumonia 39.Schistosomiasis in Bicol 40.Mass food poisoning Situation III. Nurse Nene is a New Public Health Nurse in the Municipality of Bagong Tuklas. This municipality has the following population in 2011: Population -------------------------------------------- 30,000 Total infant deaths ---------------------------------- 11 Total number of cases who died from TB ------- 4 Total births ------------------------------------------- 500 Total deaths from all causes ---------------------- 74 Number of confirmed positive PTB cases ------- 38 Number of cases examined for TB --------------- 198 4 REPRODUCTION IS STRICTLY PROHIBITED! N.G.R.T.C.I Iloilo (033)320-2053 Bacolod (034)433-3353 Kalibo (036)268-2213

41.Nurse Nene studied the figures of diseases that occurred in Bagong Tuklas for the last two years. This is referred to as: a. Mortality statistics c. Rates b. Ratios d. Morbidity statistics 42.Using the data given the infant mortality rate of Bagong Tuklas in 2011 is: a. 24/1000 population c. 22/1000 population b. 24/ 1000 live births d. 22/1000 live births 43.Which of the following gives a good reflection of the state of health of Bagong Tuklas? a. Maternal mortality rate c. Infant mortality rate b. Age-specific death rate d. Crude death rate 44.Using the variables given, what is the fatality rate of TB? a. 4% c. 19.19% b. 5.40% d. 10.53% Situation III. Barangay XYZ has the following data in the year 2011: July 1 population ----------------------------------254, 316 Live births ------------------------------------------2, 289 Death from maternal cause ---------------------- 15 Death from cardiovascular disease -------------- 3, 029 Death under 1 year of age ------------------------- 23 Fetal deaths-----------------------------------------8 Deaths under 28 days------------------------------- 8 Death due to rabies--------------------------------45 Registered cases of rabies------------------------- 45 People with Pneumonia---------------------------79 People exposed with Pneumonia----------------- 2, 593 Total number of deaths from all causes--------- 10, 998 45.What is the crude birth rate of Barangay XYZ? a. 9/1000 c. 9/100 b. 90/100 d. 90/1000 46.What is the cause specific death rate of cardiovascular diseases? a. 1.1/1000 c. 27/100,000 b. 1100/100,000 d. 27/100 47.What is the maternal mortality rate of this barangay? a. 3.67/1000 c. 5.89/1000 b. 1.36/1000 d. 6/1000 48.What is the fetal death rate? a. 10.04/1000 c. 3/1000 b. 3.13/100,000 d. 3.14/100 49.What is the attack rate of pneumonia? a. 3/100 c. 32.84/100 b. 3/1000 d. 35/1000 50.Determine the case fatality ratio of this barangay. a. 25% c. 75% b. 50% d. 100%

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