Santé Publique Test

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Santé Publique Test

1 / 60

អត្រាឈឺ (Taux d’attaque) គឺជា:

a. Taux d’incidence ស្ដែងចេញជាភាគ ១០០ នៅពេលមានការរាតត្បាតនៃជ/ង

b. Taux d’incidence ស្ដែងចេញជាភាគ ១០០០ នៅពេលមានការរាតត្បាតនៃជ/ង

c. ផ្សេងពីនេះ

d. Taux de Prévalence ស្ដែងចេញជាភាគ ១០០ នៅពេលមានការរាតត្បាតនៃជ/ង

e. Taux de Prévalence ស្ដែងចេញជាភាគ ១០០០ នៅពេលមានការរាតត្បាតនៃជ/ង

2 / 60

The scale uses names, numbers or other symbols to assign each measurement to one of a limit number of categories that cannot be ordered one above the other is:

a. Ordinal scale

b. Quantitative scale

c. Ratio scale

d. Intervalle scale

e. Nominal scale

3 / 60

Definition of mid range, mid range is:

a. Is the value that is closest to all the other values in a distribution

b. Is the half-way point or the midpoint of a set of observations

c. The middle value of a set of data that has been put into rank order

d. Occurs most often in a set of data

e. Is the beginning value of a set of data that has been put into rank order.

4 / 60

ចម្លើយទាំងអស់ខាងក្រោមនេះ សុទ្ធតែត្រឹមត្រូវ លើកលែងតែចម្លើយមួយដែលខុសអត្រាមរណៈភាពរួមគឺ៖

a. អត្រាមរណៈភាពសរុប

b. ផ្សេងពីនេះ

c. អត្រាមរណៈភាពតាមក្រុម ភេទ អាយុ

d. អត្រាមរណៈភាពគ្រប់មូលហេតុ

e. អត្រាមរណៈភាពទូទៅ

5 / 60

លក្ខណៈរួមរបស់ក្រាហ្វិកដែលមាន កូអរដោនេ បួនជ្រុងទ្រវែងគឺ:

a. ជាក្រាហ្វិកមានអក័្ស២ ជួបគ្នាជាមុំស្រួច ហើយអក្ស័នីមួយៗមានមាត្រាដ្ឋានរង្វាស់ និង ឈ្មោះសំគាល់ដោយឡែករបស់វា

b. អថេរ (Variable) ដែលតាងលើអ័ក្សផ្ដេក (axe X) ជា អថេរ (Variable) មិនឯករាជ្យ

c. អថេរ (Variable) ដែលតាងលើអ័ក្សបញ្ឈរ (axe Y) ជាVariable រណបទៅនឹង Variable លើ X, ជាអាទិចំនួនករកើតឡើងនៃឧប្បត្តិហេតុណាមួយ

d. ជាវិធីបង្ហាញព័ត៌មានជាតួលេខ ដោយប្រើប្រព័ន្ធទិន្នន័យ

6 / 60

The prevalence of a disease depends on:

a. Prevention of the diseases

b. Incidence rate and its duration

c. Effectiveness of treatment

d. Mortality rate

e. Natality rate

7 / 60

The categories of variable show that Male, Female and Blood type: type A, type B, type O, type AB is the type of:

a. Nominal scale

b. Ratio scale

c. Interval scale

d. Ordinal scale

e. Proportional scale

8 / 60

Identifying cases from personal interviews. Information on disease occurrence obtained by personal interview or from questionnaires may be altered by:

a. Evaluation

b. Record

c. Analysis

d. Computed

e. Biased recall.

9 / 60

In an epidemic ( or outbreak ) of food poisoning, there were 10 cases of male and 40 cases of female among 120 female and 80 male exposed. Overall attack rate is:

a. (40 X100) /120

b. (10 X 100) /80

c. (10 X 100) /200

d. (50 X100) / 200

e. (40 X100) /200

10 / 60

នៅក្នុងខេត្តប៉ៃលិនមានប្រជាជន មធ្យម ៦០០០០ នាក់ មានជំងឺរបេងសកម្មភាពកើតថ្មីត្រូវបានរកឃើញនៅកំឡុងឆ្នាំ ២០១៤មានចំនួន ៦០ នាក់, ជំងឺរបេងសកមសល់ពីឆ្នាំចាស់ (២០១៣) មានចំនួន ២០ នាក់ ហើយឈឺបន្ដដល់ចុងឆ្នាំ ២០១៤។ អត្រាអាំងស៊ីដង់ជ/ង របេងគឺ:

a. ១,៣០/១០០០ នាក់

b. ១,៣៣/១០០០ នាក់

c. ផ្សេងពីនេះ

d. ១/១០០ នាក់

e. ១/១០០០ នាក់

11 / 60

The numerator of calculation infant mortality rate is:

a. # deaths among infants aged 4 weeks- 1 year occurring in an area during a given period.

b. # deaths assigned to a specified cause during a given time interval.

c. Total # Female deaths due to complication of pregnancy childbirth and the puerperium in an area during a given time

d. # deaths of infant < 1 year of age occurring in a specified area and period.

e. Total # of deaths due to a given disease / condition occurring in an area during a given period

12 / 60

ឃ្លាខាងក្រោមនេះសុទ្ធតែត្រឹមត្រូវ លើកលែងតែ៖

a. ទិន្នន័យខ្លះមានម៉ូដតែមួយ ខ្លះទៀតមានម៉ូតច្រើន តែមិនអាចមានទិន្នន័យដែលគ្មានម៉ូតទេ

b. ផ្សេងពីនេះ

c. ទិន្នន័យខ្លះមានម៉ូដតែមួយ ខ្លះទៀតមានម៉ូតច្រើន តែអាចមានទិន្នន័យដែលគ្មានម៉ូតដែរ

d. ម៉ូដមិនប្រែប្រួលទៅតាមតំលៃទាបពេក រឺ ខ្ពស់ពេក (Extreme Value)ឡើយ

e. ម៉ូដ (Mode) ជាតំលៃដែលមានសង្វាក់កកើតខ្ពស់ជាងគេ (Highest frequency)

13 / 60

Incidence of disease refers to the number that develop in a population at risk for the disease over a specified period time of:

a. New + Old cases

b. Number of live birth

c. Old cases

d. Death cases

e. New cases.

14 / 60

This formula for calculated:

Total # death due to all causes in a defined area during a defined period X 1000

Mean population at risk in the same area during the same period

a. Crude death rate (CDR)

b. Post- neonatal mortality rate

c. Neonatal mortality rate

d. Age- and Sex specific death rate

e. Perinatal mortality rate

15 / 60

នៅកម្ពុជា អត្រាមរណៈភាពរបស់មាតាមាន ៦០ ភាគ ១០០០ កើតរស់។ មានន័យថា:

a. ក្នុងចំណោមស្ដ្រី ១០០០ នាក់ មានទារក ៦០ នាក់កើតរស់ ១ ឆ្នាំ

b. ផ្សេងពីនេះ

c. ក្នុងចំណោមទារកកើតរស់ ១០០០ មានស្ដ្រី ៦០ នាក់ស្លាប់ក្នុង ១ ឆ្នាំ ដោយសារមានបញ្ហាឆ្លងទន្លេ

d. ក្នុងចំណោមស្ដ្រី ១០០០ នាក់ មានទារក ៦០ នាក់ស្លាប់ក្នុង ១ ឆ្នាំ ដោយសារមានបញ្ហាឆ្លងទន្លេ

e. ក្នុងចំណោមទារកកើតរស់ ១០០០ មានស្ដ្រី ៦០ នាក់ស្លាប់ក្នុង ១ ឆ្នាំ ក្នុងពេលមានគ៌កនិង ជុំវិញការឆ្លងទន្លេ

16 / 60

Prevalence is useful:

a. Provides information on the effectiveness of disease prevention

b. An estimate of disease incidence.

c. In estimating the need for facilities and personnel.

d. Provides information on the effectiveness of control programs.

e. Information about the risk

17 / 60

នៅកម្ពុជា អត្រាមរណៈភាពរបស់មាតាមាន ៦០ ភាគ ១០០០ កើតរស់មានន័យថា:

a. ក្នុងចំណោមទារក ១០០០ កើតរស់ មានស្ដ្រី ៦០ នាក់ស្លាប់ក្នុង ១ ឆ្នាំ ដោយសារមានបញ្ហាឆ្លងទន្លេ

b. ក្នុងចំណោមស្ដ្រី ១០០០ នាក់ មានស្ដ្រី ៦០ នាក់ស្លាប់ក្នុង ១ ឆ្នាំ ដោយសារមានបញ្ហាឆ្លងទន្លេ

c. ផ្សេងពីនេះ

d. ក្នុងចំណោមទារក ១០០០ កើតរស់ មានស្ដ្រី ៦០ នាក់ស្លាប់ក្នុង ១ ឆ្នាំ ក្នុងពេលមានគ៌កនិង ជុំវិញការឆ្លងទន្លេ

e. ក្នុងចំណោមស្ដ្រី ១០០០ នាក់ មានស្ដ្រី ៦០ នាក់ស្លាប់ក្នុង ១ ឆ្នាំ ក្នុងពេលមានគក៌និងជុំវិញការឆ្លងទន្លេ

18 / 60

Definition of mode: The mode is the value that:

a. Is the half-way point or the midpoint of a set of observations

b. Is the beginning value of a set of data that has been put into rank order.

c. Occurs most often in a set of data

d. Is the value that is closest to all the other values in a distribution

e. Is the middle value of a set of data that has been put into rank order.

19 / 60

ម៉ូត (Mode) គឺជា:

a. ផ្សេងពីនេះ

b. តម្លៃដែលមានញឹកញាប់ជាងគេក្នុងក្រុមតម្លៃមួយ

c. រង្វាស់និន្នាការកណ្ដាលរបស់តម្លៃ១ក្រុម

d. មធ្យមភាគនៃតម្លៃ ១ក្រុម

e. តម្លៃទីពាក់កណ្ដាលដែលបែងចែកចំនួនតម្លៃក្នុងក្រុមមួយ

20 / 60

ក្នុងចំណោមទារក ១០០០ កើតរស់មានមាតាស្លាប់ ៦០ នាក់ទាក់ទងការមានផ្ទៃពោះ និង ឆ្លងទន្លេ សុច្ចនាករនេះបញ្ជាក់ការគណនា:

a. Taux de mortalité Périnatal , Perinatal Mortality Rate

b. Taux de mortalité infantile, Infant Mortality Rate

c. Taux de mortalité Maternelle, Maternal Mortality Rate

d. Taux de mortalité Brut

e. Taux de mortalité Néonatale , Neonatal Mortality Rate

21 / 60

អាំងស៊ីដង់កើនឡើងក្នុងករណី:

a. ត្រឹមត្រូវទាំងអស់

b. រយៈពេលវែងនៃការរាប់ចំនួនអ្នកជំងឺ

c. ករណីជំងឺកើតថ្មីកើនឡើង

d. ជំងឺកើតថ្មីភៀសខ្លួនចូល

22 / 60

Variation in clinical measurement including:

a. Inaccuracy

b. Imprecision

c. Efficiency

d. Bias

e. Reliable

23 / 60

In an epidemic ( or outbreak ) of food poisoning, there were 10 cases of male and 40 cases of female among 120 female and 80 male exposed. Male attack rate is:

a. (40 X100) /200

b. (50 X100) / 200

c. (40 X100) /120

d. (10 X 100) /80

e. (10 X 100) /200

24 / 60

ចំនួនប្រជាជនមធ្យមគឺជា:

a. ចំនួនប្រជាជនដើមឆ្នាំ

b. ផ្សេងពីនេះ

c. ចំនួនប្រជាជនចុងឆ្នាំ

d. ចំនួនប្រជាជននៅចំកណ្ដាលនៃរយៈពេល

e. ចំនួនប្រជាជនជាក់លាក់មួយ

25 / 60

The population beginning of the year 2000 in Rattanakiri province has 60000 populations (P) and the end of the same year and same place have 70000 populations.All cases of mortality are 200 cases. # Live births = 12000 live births. The mean population in Rattanakiri in year 2000 has:

a. 60000P +12000 Live births

b. 70000P

c. (60000P+70000P)/2

d. 60000P

e. 60000P-200 deaths

26 / 60

នៅក្នុងខេត្តប៉ៃលិនមានប្រជាជន៦០០០០ នាក់ នៅដើមឆ្នាំ ២០១៤។ ទារកកើតរស់ក្នុងឆ្នាំនោះមាន ៤% កុមារស្លាប់អាយុក្រោម ១ ឆ្នាំ មាន ២៤០ នាក់។ អត្រាមរណៈភាពនៃកុមារ (Taux de mortalité Infantile, Infant Mortality Rate) មាន:

a. ១០/១០០០០ កើតរស់

b. ផ្សេងពីនេះ

c. ១/១០០០ កើតរស់

d. ១០/១០០ កើតរស់

e. ១/១០០ កើតរស់

27 / 60

This Calculation indicate:

a. Fertility rate

b. Prevalent rate

c. Incidence rate

d. Crude birth rate

e. Mortality rate

28 / 60

Proportion is the expression:

a. The numerator is always not include the denominator

b. The relationship of one part to the whole

c. The bases always equal 1000

d. The per thousand of the total number of events in a data set which occurred in each of the category (or subgroups) of that set.

e. Proportion is .expressed as per thousand

29 / 60

តើអត្រាអ្វី ដែលគេគណនា ចំនួននៃទារកស្លាប់ អាយុក្រោម ៧ ថ្ងៃ?

a. Taux de mortalité Néonatale/ / Néonatal Mortality Rate

b. Taux de mortalité infantile / Infant Mortality Rate

c. Taux de mortalité Maternelle, Maternal Mortality Rate

d. Taux de mortalité Périnatal / Périnatal Mortality Rate

e. Taux de mortalité Post Néonatal / Post Néonatal mortality Rate

30 / 60

តើអ្វីខ្លះដែលជាផ្នែករបស់ Inferential statistics?

a. . Variance

b. . Estimation

c. . Standard deviation

d. . Median

31 / 60

ស្ថិតិវិទ្យា (statistics) មានចែកចេញជា

a. Descriptive statistics & estimation

b. Inferential statistics & hypothesis testing

c. Inferential statistics & standard deviation

d. Descriptive & inferential statistic

32 / 60

What is the correct interpretation of 95% confidence interval below:

a. In repeated sampling, 95% of the 95% CIs calculated in this manner would capture the true value of population.

b. In repeated sampling, 95% of the 95% CIs calculated in this manner would not be capture the true value of sample

c. In repeated sampling, 95% of the 95% CIs calculated in this manner would capture the value of sample

d. In repeated sampling, 95% of the 95% CIs calculated in this manner would not be capture the true value of population

33 / 60

Since the population size is always larger than the sample size, then the sample statistic

a. Can be smaller, larger, or equal to the population parameter

b. Can never be larger than the population parameter

c. Can never be smaller than the population parameter

d. Can never be equal to the population parameter

34 / 60

The width of a confidence interval will decrease when which of the following changes occur:

a. The desired level of confidence increases

b. The sample size n increases

c. The precision of the estimate of the population mean decreases

d. The sample size n decreases

35 / 60

The Positive Predictive Value depends on:

a. The number of population

b. The prevalence of disease

c. The incidence of disease

d. Prevalence of the disease in the population tested,

36 / 60

μ is an example of a

a. Population parameter

b. Mode

c. Sample statistic

d. Population variance

37 / 60

What is the probability of getting an odd number when you roll a dice?

a. 1/5

b. 1/4

c. 1/2

d. 1/3

38 / 60

A group of 100 people are asked to state their favourite colour. 60 say blue. This experiment says that the probability of someone choosing blue is:

a. 50%

b. 30%

c. 40%

d. 60%

39 / 60

What is the correct statement of validity of a screening test:

a. The ability of the test to identify correctly those who have the disease.

b. The ability of a test to indicate which individuals have the disease and which do not.

c. The proportion of patients who test positive who actually have the disease.

d. The ability of the test to identify correctly those who do not have the disease.

40 / 60

The branch of biostatistics that deals with testing of hypothesis, making predictions using data collected is called:

a. Test statistics

b. Descriptive statistics

c. Comparative biostatistics

d. Inferential biostatistics

41 / 60

Which answer below is not correct about the confidence interval:

a. Confidence interval can be calculated by SAS

b. Confidence interval cannot be calculated by hand

c. Confidence interval can be calculated by SPSS

d. Confidence interval can be calculated by Stata

42 / 60

In descriptive statistics, we study:

a. The methods for organizing, displaying, and describing data

b. The prediction of disease trend

c. The description of decision making process

d. How to describe the probability distribution

43 / 60

Which of the statements is true if a particular event has a probability of 10%?

a. It is certain to happen

b. It is impossible to happen

c. There is a one-in-ten chance it will happen.

d. It is likely to happen

44 / 60

A normal distribution curve is determined by the (chose the correct answer):

a. Mean and sample size

b. Range and standard deviation

c. Range and sample size

d. Mean and standard deviation

45 / 60

The meaning of reliability of a test is:

a. The results of a test deferent

b. The results of a test identical if repeated

c. The results of a test positive

d. The results of a test various

46 / 60

Which statement is not true about confidence intervals?

a. .A 99% confidence interval procedure has a higher probability of producing intervals that will include the population parameter than a 95% confidence interval procedure.

b. An approximate formula for a 95% confidence interval is sample estimate ±margin of error.

c. .A confidence interval between 20% and 40% means that the population proportion lies between 20% and 40%.

d. .A confidence interval is an interval of values computed from sample data that is likely to include the true population value.

47 / 60

What is the correct answer about a point estimatestatement:

a. .A point estimate involves the calculation of confidence intervals for some statistic

b. .A point estimate involves the calculation of means for some statistic

c. .A point estimate involves the calculation of median for some statistic

d. .A point estimate involves the calculation of mode for some statistic

48 / 60

Which below statement is not correct:

a. Confidence interval describes the precision of the estimate

b. The narrower the confidence interval, the less precise the point estimate

c. The confidence interval represents a range of values on either side of the estimate

d. The narrower the confidence interval, the more precise the point estimate.

49 / 60

The width of a confidence interval is influenced by:

a. The population parameter.

b. The desired level of confidence

c. The distance between the sample mean and the population mean

d. The sample size determination

50 / 60

A numerical value used as a summary measure for a sample, such as sample mean, is known as a

a. Sample statistic

b. Sample parameter

c. Population mean

d. Population parameter

51 / 60

The negative predictive value of a test decreases:

a. Prevalence of the disease in the population increases

b. The number of population stable

c. The prevalence of disease decreases

d. The incidence of disease increase

52 / 60

Below is the common screening test except one:

a. Fasting blood cholesterol for heart disease

b. Fasting blood sugar for diabetes

c. Pap smear for cervical dysplasia or cervical cancer

d. Rapid diagnostic test

53 / 60

What is the correct interpretation of 95% confidence interval below:

a. We can be 99% confident that the true value of population lies within this interval

b. We can be 98% confident that the true value of population lies within this interval

c. We can be 95% confident that the true value of population lies within this interval

d. We can be 90% confident that the true value of population lies within this interval

54 / 60

A confidence interval is describe (chose the correct answer):

a. The sampling distribution.

b. The sampling error of the estimate

c. The precision of the estimate

d. The validity of the estimate

55 / 60

All statements below are correct to describe the negative predictive value of a screening test except one:

a. The proportion of negative test results that are true negative

b. The proportion of patients who test positive who actually have the disease.

c. The proportion of patients who test negative who are actually free of the disease

d. Likelihood of not having the disease when test is negative.

56 / 60

What is the statement of sensitivity of a diagnostic test:

a. The ability of the test to identify correctly those who have the disease from all individuals with the disease

b. The proportion of patients who test positive who actually have the disease.

c. The proportion of patients who test negative who are actually free of the disease

d. The ability of the test to identify correctly those who do not have the disease from all individuals free from the disease

57 / 60

Students had attended a blood donor session at the University of Health Science when a new donor arrived. Blood can be classified into 4 groups: O, A, B and AB. The table below shows the number of people in each blood group. What is the probability that the next donor belongs to blood group O?

a. 46%

b. 43%

c. 3%

d. 8%

58 / 60

A confidence interval estimate is (chose the correct answer):

a. .A median of values constructed from sample data

b. .A mean of values constructed from sample data

c. .A range of values constructed from sample data

d. .A standard deviation of values constructed from sample data

59 / 60

You asked five of your classmates about their height. On the basis of this information, you stated that the average height of all students in your university or college is 1.67 meters. This is an example of:

a. Inferential Statistics

b. Descriptive statistics

c. Population

d. Parameter

60 / 60

The upper bound and lower bound of confidence interval are calculated using (chose the correct answer):

a. The mean and the range

b. The median and its standard error

c. The mean and its standard error

d. The median and the range

Your score is

The average score is 0%

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត