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Disease Detectives : General Epidemiology

Total questions: 61

Worksheet time: 31mins

Name
Class
Date
1.
which of the following are a pathogen?
a)

viruses

b)
bacteria
c)
fungi
d)

arsenic

2.

Which of the following are body defenses against pathogens?

a)

Immune system

b)

The skin

c)

Body secretions/Mucous membranes

d)

All of the above

3.
The branch of medical science concerned with the incidence, distribution, and control of diseases that affect large numbers of people is _____________.
a)
Cardiology
b)
Radiology
c)
Epidemiology
d)
Respirology
4.
Dr. John Snow and his famous water pumps map showed the spread of which disease in London during the 1850s?
a)
Ebola
b)
Tuberculosis
c)
H1N1
d)
Cholera
5.
Why are developing countries more susceptible to the spread of infectious diseases?
a)
Lower socio-economic status
b)
Unstable government
c)
Lack of healthcare/ education
d)
All of the above
6.
What does the acronym CDR stand for?
a)
Crude Death Rate
b)
Cruel Disease Rabies
c)
Can't Divulge Reasons
d)

Crude Disease Rate

7.
Epidemiology is concerned with the __________ and __________ of health events in a population:
a)
frequency, pattern
b)
frequency, determinant
c)
pattern, determinant
d)
determinant, spread
8.

Compare food histories between persons with Staphylococcus food poisoning and those without is an example of trying to determine what?

a)
Distribution
b)
Determinants
c)
Application
9.
 Compare frequency of brain cancer among anatomists with frequency in general population is an example of 
a)
Distribution
b)
Determinants
c)
Application
10.
Mark on a map the residences of all children born with birth defects within 2 miles of a hazardous waste site is an example of 
a)
Distribution
b)
Determinants
c)
Application
11.
Graph the number of cases of congenital syphilis by year for the country is an example of 
a)
Distribution
b)
Determinants
c)
Application
12.
Recommend that close contacts of a child recently reported with meningococcal meningitis receive Rifampin is an example of 
a)
Distribution
b)
Determinants
c)
Application
13.
Who was the first person to explain disease occurrence from a rational rather than a supernatural viewpoint?
a)
Hippocrates
b)
John Graunt
c)

Aristotle

d)
John Snow
14.
Which person is considered the father of modern vital statistics and surveillance?
a)
Hippocrates
b)
John Graunt
c)
William Farr
d)
John Snow
15.
Which person is considered the "father of field epidemiology"?
a)
Hippocrates
b)
John Graunt
c)
William Farr
d)
John Snow
16.
When did epidemiologists extend their methods to noninfectious diseases?
a)
1662
b)
1800
c)
1930s and 1940s
d)
1960s and early 1970s
17.
The birth rate minus the death rate.
a)
Infant Mortality Rate
b)
Natural Increase Rate
c)
Arithmetic Density
d)
Fertility Rate
18.
The average number of children a woman of childbearing years will have in her lifetime.
a)
Infant Mortality Rate
b)
Natural Increase Rate
c)
Arithmetic Density
d)
Fertility Rate
19.

The number of infants per 1,000 lives births in a year who will die before reaching age one.

a)
Infant Mortality Rate
b)
Natural Increase Rate
c)
Arithmetic Density
d)
Fertility Rate
20.
Number of deaths per one thousand population in a year.
a)
Birth Rate
b)
Death Rate
c)
Physiological Density
d)
Population Pyramid
21.

A graphic device that shows the sex and age distribution of a population.

a)

Birth Rate

b)

Death Rate

c)

Physiological Density

d)

Population Pyramid

22.
Number of live births per one thousand population in a year.
a)
Birth Rate
b)
Death Rate
c)
Physiological Density
d)
Population Pyramid
23.
During which time period did the greatest human population begin to increase exponentially?
a)
During the New Stone Age
b)
During the Ice Age
c)
During the Industrial Revolution
d)
During the Iron Age
24.

Why did human population begin to increase exponentially in the 20th century?

a)

Increased infant survival rate

b)

Vaccination against infectious diseases, antibiotics

c)
Improved sanitation
d)
Yup, all of those things!
25.
Where in the world is HIV/AIDS most prevalent (most common)? 
a)
Europe
b)
Southeast Asia
c)
United States
d)
Sub-Saharan Africa
26.
What type of epi curve is this?
a)
Continuous common source
b)

Propagated (person-to-person)

c)
Point Source
d)

Intermittent source

27.
All epi-curves measure
a)
The # of new cases over time
b)
The total # of cases over time
c)
The # of new deaths over time
d)
The total # of deaths over time
28.
Most foodborne illnesses create this kind of epi curve
a)
Propagated
b)
Continuous Common Source
c)
Intermittent
d)
Point Source
29.
What is the odds ratio?
(I hope you brought your calculator!)
a)

0.114

b)
8.8
c)
3.73
d)

0.49

30.

What is the formula for specificity?

a)

TN / (FN + TN)

b)

PF / (FN + NT)

c)

TP / (FP + TP)

d)

TP / (TP + TN)

31.
Lifestyle choices that endanger health is known as a __________ hazard.
a)
biological
b)
social
c)
chemical
d)
physical
32.
Harmful artificial and natural chemicals in the environment are _________ hazards.
a)
chemical
b)
biological
c)
physical
d)
social
33.

Natural disasters and ongoing natural phenomena that can cause health problems are called __________ hazards.

a)
chemical
b)
biological
c)
social
d)
physical
34.
________ is a measure of how harmful a substance is.
a)
dose
b)
toxicity
c)
response
d)
hazard
35.
A person's _______ and environment affect chances of suffering from a disease.
a)
genes
b)
age
c)
weight
d)
immune system
36.
The probability that a hazard will cause harm is known as _______.
a)
sensitive
b)
risk
c)
threshold
d)
response
37.
An outbreak that becomes widespread and affects a whole region, continent, or world is a ___________.
a)
epidemic
b)
emerging
c)
pandemic
d)
none of the above
38.

Which organization responds to emerging diseases internationally?

a)

CDC

b)

WHO

c)

FDA

d)

United Nations

39.

Examples of social hazards, or complex emergencies, which seriously limit a population’s access to health services, water, food, and transportation include all of the following EXCEPT

a)

Floods

b)

Wars

c)

Pandemic

d)

All of these are social hazards

40.
Individuals respond _____ to the same environmental hazards.
a)
differently
b)
similarly
c)
exactly the same 
41.
Viruses, bacteria, and other organisms in the environment that harm human health are classified as
a)
biological hazards
b)
social hazards
c)
chemical hazards
d)
physical hazards
42.

substances know to produce or promote cancer are called

a)

carcinogens

b)

kinases

c)

cyclins

d)

malignancies

43.
The relationship between smoking cigarettes and lung cancer can be described as
a)
causal
b)

correlational

c)
directional
d)
no relationship
44.
If the measure of association (OR or RR) is approximately 1, exposure is not associated with the disease
a)
True
b)
False
45.
A p value less than or equal to 0.01 means that your results are
a)
Not significant
b)
Significant
c)
Very Significant
46.
Are there any instances where exposure can reduce your risk of disease?
a)
Yes
b)
No
47.
In a cohort study, you calculate relative risk (RR) and in a case-control study, you calculate odds ratio (OR).
a)
True
b)
False
48.
A disease that has appeared in the human population for the first time or that has existed for a while, but is increasing rapidly or spreading around the world is called
a)
environmental.
b)
pandemic.
c)
emerging.
d)
infectious.
49.
A measure that combines effects of both morbidity and mortality rates thus providing a health and economic overview of diseases and injuries to individuals and populations. 
a)
DALYs
b)
Health Data
c)
Health Statistics
d)
Burden of disease
50.

a composite measure of the years of life lost because of premature death & the equivalent years lost because of serious injury/disability

a)

Burden of disease

b)

LDCs

c)

Reportable disease

d)

DALYs

51.
A measure of the proportion of persons in the population with a certain disease at a given time,
a)
Prevalence
b)
DALYs
c)
Incidence
d)
Outbreak
52.
Incidence of disease; rate of sickness, as in a specified community or group 
a)
Incidence
b)
Morbidity rate
c)
HDI
d)
DALYs
53.
a disease occurring suddenly in a community, region, or country in numbers clearly in excess of normal
a)
Pandemic
b)
Burden of disease
c)
Outbreak
d)
Epidemic
54.
the number of deaths or new cases of a condition, symptoms or injury that arises during a specific period of time, such as a year. 
a)
Mortality rate
b)
Outbreak
c)
Incidence
d)
Prevalence 
55.
_____ is generalized resistance to a disease in a population because most of the population is immune to a specific disease/condition.
a)
Herd immunity
b)
Protective factor
c)
Passive immunity
d)
Active immunity
56.
_____ is a health determinant that keeps a person safe from an illness and/or assists in improving health.
a)
Immunity
b)
Risk factor
c)
Vaccine
d)
Protective factor
57.
_____ is a measure of the frequency of an event or diagnosis in a defined population within a given time period.
a)
Frequency
b)
Ratio
c)
Proportion
d)
Rate
58.

What is the relative risk (risk ratio) of cancer relative to the exposure (smoking)?

a)

.20

b)

2

c)

10

d)

20

59.

How would you interpret the relative risk value of 0.80?

a)

Risk in exposed = Risk in non-exposed (no association of exposure with outcome)

b)

Risk in exposed > Risk in non-exposed (positive association of exposure to outcome)

c)

Risk in exposed < Risk in non-exposed (negative association or protective factor)

d)
Unable to determine, not enough information
60.
Which statement accurately reflects the odds ratio finding of 24.75?
a)
Those who did not smoke are 24.75 times more likely to develop cancer compared to those who did smoke.
b)
The development of cancer is 24.75 times more likely among those who smoked compared to those who did not smoke.
c)
There is not enough information to interpret the finding.
d)
The development of cancer is 24.75 times less likely among those who smoked compared to those who did not smoked.
61.

The hypothesis that there is no significant difference between specified populations, and that any observed difference is due to sampling or experimental error.

a)

Alternative hypothesis

b)

alternate hypothesis

c)

control hypothesis

d)

null hypothesis