NEW
Font size
S
M
L
XL
WorksheetsIntro to General Epidemiology
Total questions: 48
Worksheet time: 36mins
Name
Class
Date
1.
Epidemiology is best defined as the study of:
a)
Diseases in individuals
b)
Distribution and determinants of health-related states in populations
c)
Clinical features of diseases
d)
Treatment outcomes
2.
Which of the following is NOT a use of epidemiology?
a)
Study of natural history of disease
b)
Evaluation of health services
c)
Individual patient diagnosis
d)
Identification of risk factors
3.
Which disease is better measured by incidence?
a)
Common cold
b)
Diabetes mellitus
c)
Hypertension
d)
Bronchial asthma
4.
Which component of epidemiological triad includes age sex immunity?
a)
Agent
b)
Host
c)
Environment
d)
Vector
5.
Which is a morbidity indicator?
a)
Crude death rate
b)
IMR
c)
Incidence rate
d)
Case fatality rate
6.
Ignaz Phillip Semmelweis is historically associated with prevention of:
a)
Cholera
b)
Typhoid
c)
Childbed fever
d)
Smallpox
7.
John Snow’s classic epidemiological investigation was related to:
a)
Plague
b)
Tuberculosis
c)
Cholera
d)
Influenza
8.
According to IEA 2014 epidemiology studies:
a)
Individual cases
b)
Health-related events in populations
c)
Hospital diseases
d)
Communicable diseases only
9.
Which of the following is a core objective of epidemiology?
a)
Drug development
b)
Identifying etiology
c)
Clinical diagnosis
d)
Hospital management
10.
Which question belongs to health action in epidemiology?
a)
Who is affected?
b)
Where did it occur?
c)
What can be done to prevent it?
d)
What is the magnitude?
11.
Like should be compared with like refers to:
a)
Validity
b)
Reliability
c)
Comparability
d)
Precision
12.
Which tool expresses relation of part to whole?
a)
Ratio
b)
Rate
c)
Proportion
d)
Index
13.
Sex ratio is an example of:
a)
Proportion
b)
Rate
c)
Ratio
d)
Index
14.
Which element differentiates rate from ratio?
a)
Numerator
b)
Denominator
c)
Time
d)
Multiplier
15.
Crude rates are also known as:
a)
Adjusted rates
b)
Standardized rates
c)
Unstandardized rates
d)
Specific rates
16.
Age-specific death rate is an example of:
a)
Crude rate
b)
Specific rate
c)
Standardized rate
d)
Ratio
17.
Purpose of standardization is to:
a)
Increase incidence
b)
Compare populations with different age structures
c)
Improve diagnosis
d)
Reduce bias
18.
Person-time denominator is useful because it:
a)
Excludes deaths
b)
Summarizes varying observation periods
c)
Avoids population data
d)
Measures prevalence
19.
Case fatality rate denominator is:
a)
Population at risk
b)
Mid-year population
c)
Total cases of disease
d)
Person-time
20.
Proportionate mortality rate is used when:
a)
Population data unavailable
b)
Incidence is high
c)
Studying etiology
d)
Measuring risk
21.
Proportionate mortality rate does not indicate:
a)
Cause distribution
b)
Relative importance
c)
Risk of dying
d)
Mortality pattern
22.
Morbidity refers to:
a)
Deaths
b)
Illness or departure from well-being
c)
Disability only
d)
Hospital admission
23.
Morbidity can be measured in terms of:
a)
Persons spells duration
b)
Deaths survival
c)
Admissions only
d)
Lab reports
24.
Which indicates severity of disease?
a)
Incidence
b)
Prevalence
c)
Case fatality rate
d)
Attack rate
25.
Incidence measures:
a)
Existing cases
b)
New cases
c)
Disease burden
d)
Duration
26.
Incidence is not affected by:
a)
Duration of disease
b)
Risk exposure
c)
Susceptibility
d)
Transmission
27.
Attack rate is best applied during:
a)
Chronic disease survey
b)
Epidemic
c)
Endemic disease
d)
Screening
28.
Secondary attack rate excludes:
a)
Susceptible contacts
b)
Exposed persons
c)
Primary case
d)
Household members
29.
Secondary attack rate is best used for:
a)
Tuberculosis
b)
Diabetes
c)
Measles
d)
Hypertension
30.
Prevalence includes:
a)
New cases only
b)
Old cases only
c)
All current cases
d)
Hospital cases
31.
Point prevalence measures disease:
a)
Over period
b)
At a point in time
c)
During epidemic
d)
Among exposed
32.
Longer disease duration leads to:
a)
Lower prevalence
b)
Higher prevalence
c)
Higher incidence
d)
Lower incidence
33.
Correct relationship between incidence and prevalence:
a)
P = I × D
b)
I = P × D
c)
P = I ÷ D
d)
I = P + D
34.
Prevalence is best used for:
a)
Etiology
b)
Risk measurement
c)
Health planning
d)
Causation
35.
Incidence is best used for:
a)
Burden assessment
b)
Health planning
c)
Risk measurement
d)
Resource allocation
36.
A disease with short duration and high incidence has:
a)
High prevalence
b)
Low prevalence
c)
Zero prevalence
d)
Stable prevalence
37.
Which morbidity measure reflects burden?
a)
Incidence
b)
Prevalence
c)
CFR
d)
Attack rate
38.
Population at risk excludes:
a)
Healthy individuals
b)
Those already having disease
c)
Susceptible individuals
d)
Exposed individuals
39.
Which is a special type of incidence rate?
a)
Prevalence
b)
Attack rate
c)
CFR
d)
Survival rate
40.
Secondary attack rate is limited when:
a)
Many subclinical cases
b)
Short incubation
c)
High mortality
d)
Long duration disease
41.
Epidemiology mainly deals with:
a)
Individual patients
b)
Populations
c)
Laboratory samples
d)
Hospitals
42.
Which historical figure linked handwashing to disease prevention?
a)
John Snow
b)
Semmelweis
c)
Farr
d)
Pasteur
43.
Epidemiologic approach primarily relies on:
a)
Treatment
b)
Comparison
c)
Diagnosis
d)
Rehabilitation
44.
Numerator in a rate represents:
a)
Population
b)
Events occurring
c)
Time period
d)
Risk
45.
Denominator in incidence rate represents:
a)
Total population
b)
Population at risk
c)
Total events
d)
Cases only
46.
Which measure includes time component?
a)
Ratio
b)
Proportion
c)
Rate
d)
Index
47.
Epidemiology helps in all EXCEPT:
a)
Disease control
b)
Health planning
c)
Individual therapy
d)
Policy formulation
48.
Which is NOT a component of disease frequency?
a)
Incidence
b)
Prevalence
c)
Mortality
d)
Immunity
Reset
