Question 1

In the investigation of an epidemic of a fatal disease such as SARS, the most appropriate measure to describe the frequency of death from the disease is the:

Accepted Answer

A) Mortality rate 
B) Case‐fatality rate 
C) Attack rate 
D) Standardised mortality ratio 
E) Incidence rate 
A) Mortality rate 
B) Case‐fatality rate 
C) Attack rate 
D) Standardised mortality ratio 
E) Incidence rate B

Question 2

At what point in an outbreak investigation should you start to initiate control and prevention activities?

Accepted Answer

A) After you have confirmed the cause of the outbreak 
B) After developing hypotheses as to what might have caused the outbreak 
C) After verifying the diagnosis 
D) After confirming that an outbreak exists 
E) As soon as possible
F)Afterwritingyourfinalreport 
A) After you have confirmed the cause of the outbreak 
B) After developing hypotheses as to what might have caused the outbreak 
C) After verifying the diagnosis 
D) After confirming that an outbreak exists 
E) As soon as possible
F)Afterwritingyourfinalreport E

Question 3

If you were investigating an outbreak, in what order would you normally conduct the steps below?
Analysedatabytime,placeandperson
Conductacase‐controlstudy
Generatehypotheses
Conductactivesurveillanceforadditionalcases
Verifythediagnosis
Confirmthatthenumberofcasesexceedstheexpectednumber

Accepted Answer

A) 1‐2‐3‐4‐5‐6 
B) 5‐6‐4‐1‐2‐3 
C) 6‐5‐3‐1‐2‐4 
D) 6‐5‐4‐1‐3‐2 
A) 1‐2‐3‐4‐5‐6 
B) 5‐6‐4‐1‐2‐3 
C) 6‐5‐3‐1‐2‐4 
D) 6‐5‐4‐1‐3‐2 D

Question 4

Which of the following can be the reservoir for an infectious disease? (Select all that apply)

Accepted Answer

A) Another human 
B) An animal 
C) An insect 
D) Food 
E) The air
F)Alloftheabove 
A) Another human 
B) An animal 
C) An insect 
D) Food 
E) The air
F)Alloftheabove

Question 5

In the investigation of an epidemic the most appropriate measure to describe the frequency of occurrence of illness is the:

Accepted Answer

A) Prevalence 
B) Incidence rate 
C) Case‐fatality rate 
D) Attack rate 
E) Mortality rate 
A) Prevalence 
B) Incidence rate 
C) Case‐fatality rate 
D) Attack rate 
E) Mortality rate

Question 6

Clusters of disease can be challenging to investigate because:

Accepted Answer

A) Cases of disease can occur close together (geographically or in time) just by chance 
B) They are usually caused by environmental hazards 
C) The exposure and disease usually occur very close together 
D) The disease usually only has a single cause 
E) All of the above
F)Noneoftheabove 
A) Cases of disease can occur close together (geographically or in time) just by chance 
B) They are usually caused by environmental hazards 
C) The exposure and disease usually occur very close together 
D) The disease usually only has a single cause 
E) All of the above
F)Noneoftheabove

Question 7

If the latent period for an infection is longer than the incubation period then:

Accepted Answer

A) People may pass on the infection before they become sick 
B) People will become sick before they can pass on the infection 
C) An epidemic is likely to occur 
D) The disease is likely to be endemic in the population 
E) A pandemic is likely to occur 
A) People may pass on the infection before they become sick 
B) People will become sick before they can pass on the infection 
C) An epidemic is likely to occur 
D) The disease is likely to be endemic in the population 
E) A pandemic is likely to occur

Question 8

Which of the following best describes the factors that influence the spread of an infectious disease?

Accepted Answer

A) Agent, host, environment 
B) Agent, host, transmission 
C) Agent, host, transmission, environment 
D) Agent, source, transmission 
E) Agent, infectivity, susceptibility 
A) Agent, host, environment 
B) Agent, host, transmission 
C) Agent, host, transmission, environment 
D) Agent, source, transmission 
E) Agent, infectivity, susceptibility

Question 9

A spot map is particularly useful for displaying: (Select all that apply)

Accepted Answer

A) The location of exposure of each case 
B) The location of the local medical facilities 
C) The residence of each case 
D) Incidence rates of disease by area 
E) The place of employment of each case 
A) The location of exposure of each case 
B) The location of the local medical facilities 
C) The residence of each case 
D) Incidence rates of disease by area 
E) The place of employment of each case

Question 10

Which of the following best defines an outbreak?

Accepted Answer

A) The diagnosis of several cases of disease in the same geographic region 
B) The diagnosis of several cases in the same week 
C) The number of cases observed in an area is twice that normally reported in the same time period 
D) The number of cases observed in an area is ten times that normally reported in the same time period 
E) The number of cases observed in an area is clearly higher than would normally be expected in the same time period 
A) The diagnosis of several cases of disease in the same geographic region 
B) The diagnosis of several cases in the same week 
C) The number of cases observed in an area is twice that normally reported in the same time period 
D) The number of cases observed in an area is ten times that normally reported in the same time period 
E) The number of cases observed in an area is clearly higher than would normally be expected in the same time period

In the investigation of an epidemic of a fatal disease such as SARS, the most appropriate measure to describe the frequency of death from the disease is the:

At what point in an outbreak investigation should you start to initiate control and prevention activities?

If you were investigating an outbreak, in what order would you normally conduct the steps below? Analysedatabytime,placeandperson Conductacase‐controlstudy Generatehypotheses Conductactivesurveillanceforadditionalcases Verifythediagnosis Confirmthatthenumberofcasesexceedstheexpectednumber

Which of the following can be the reservoir for an infectious disease? (Select all that apply)

In the investigation of an epidemic the most appropriate measure to describe the frequency of occurrence of illness is the:

Clusters of disease can be challenging to investigate because:

If the latent period for an infection is longer than the incubation period then:

Which of the following best describes the factors that influence the spread of an infectious disease?

A spot map is particularly useful for displaying: (Select all that apply)

Which of the following best defines an outbreak?

How Long Is a Piece of String Measuring Disease Frequency

Who, What, Where and When Descriptive Epidemiology

Healthy Research: Study Designs for Public Health

Why Linking Exposure and Disease

Heads or Tails: the Role of Chance

All That Glitters Is Not Gold: The Problem of Error

Muddied Waters: The Challenge of Confounding

Who Sank the Boat Association and Causation

Assembling the Building Blocks: Reviews and Their Uses

Surveillance: Collecting Health-Related Data for Epidemiological

Prevention: Better Than Cure

Early Detection: What Benefits at What Cost

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Exam 13: Outbreaks, Epidemics and Clusters

In the investigation of an epidemic of a fatal disease such as SARS, the most appropriate measure to describe the frequency of death from the disease is the:

At what point in an outbreak investigation should you start to initiate control and prevention activities?

If you were investigating an outbreak, in what order would you normally conduct the steps below? Analysedatabytime,placeandperson Conductacase‐controlstudy Generatehypotheses Conductactivesurveillanceforadditionalcases Verifythediagnosis Confirmthatthenumberofcasesexceedstheexpectednumber

Which of the following can be the reservoir for an infectious disease? (Select all that apply)

In the investigation of an epidemic the most appropriate measure to describe the frequency of occurrence of illness is the:

Clusters of disease can be challenging to investigate because:

If the latent period for an infection is longer than the incubation period then:

Which of the following best describes the factors that influence the spread of an infectious disease?

A spot map is particularly useful for displaying: (Select all that apply)

Which of the following best defines an outbreak?

How Long Is a Piece of String Measuring Disease Frequency

Who, What, Where and When Descriptive Epidemiology

Healthy Research: Study Designs for Public Health

Why Linking Exposure and Disease

Heads or Tails: the Role of Chance

All That Glitters Is Not Gold: The Problem of Error

Muddied Waters: The Challenge of Confounding

Who Sank the Boat Association and Causation

Assembling the Building Blocks: Reviews and Their Uses

Surveillance: Collecting Health-Related Data for Epidemiological

Prevention: Better Than Cure

Early Detection: What Benefits at What Cost

Filters