Question 1

In just over a decade of efforts,the World Health Organization (WHO)eradicated smallpox by using worldwide

Accepted Answer

A)  education campaigns. 
B)  destruction of infected domestic animals. 
C)  education campaigns and destruction of infected domestic animals. 
D)  vaccination programs. 
A)  education campaigns. 
B)  destruction of infected domestic animals. 
C)  education campaigns and destruction of infected domestic animals. 
D)  vaccination programs.

Question 2

Which of the following is NOT a public health measure used to control the transmission of disease?

Accepted Answer

A)  sanitary water and waste disposal methods 
B)  immunization 
C)  forced quarantine 
D)  genetic engineering 
A)  sanitary water and waste disposal methods 
B)  immunization 
C)  forced quarantine 
D)  genetic engineering

Question 3

What measures would be taken if a case of smallpox were recognized in a world traveler after the individual had debarked from Heathrow airport in England following several days of sightseeing in London?

Accepted Answer

The World Health Organization (WHO)would

Question 4

Which of the following is/are considered (a)direct contact infection(s)?

Accepted Answer

A)  syphilis 
B)  gonorrhea 
C)  skin infections 
D)  syphilis, gonorrhea, and skin infections 
A)  syphilis 
B)  gonorrhea 
C)  skin infections 
D)  syphilis, gonorrhea, and skin infections

Question 5

Explain the concept of coevolution in terms of host-pathogen interactions.

Accepted Answer

The host and pathogen both evolve and af

Question 6

Disease ________ is measured by the total number of new reported disease cases within a population over a period of time.

Accepted Answer

A)  incidence 
B)  frequency 
C)  morbidity 
D)  prevalence 
A)  incidence 
B)  frequency 
C)  morbidity 
D)  prevalence

Question 7

Diseases that suddenly become prevalent are referred to as ________ diseases.

Accepted Answer

A)  indirect 
B)  emerging 
C)  vector 
D)  common source 
A)  indirect 
B)  emerging 
C)  vector 
D)  common source

Question 8

Upper respiratory infectious agents are commonly transmitted from person to person.

Accepted Answer

A) True 
 B)False

Question 9

Why are diseases such as rabies that have a wild animal reservoir so difficult to eradicate while other diseases such as brucellosis that reside in domestic animals have been virtually eradicated.

Accepted Answer

The eradication of a disease requires th

Question 10

What is a/are potential reservoir(s)for viruses?

Accepted Answer

A)  water 
B)  insects 
C)  bats 
D)  fomites 
A)  water 
B)  insects 
C)  bats 
D)  fomites

Question 11

Which of the following diseases would be the easiest to control in a human population?

Accepted Answer

A)  an infectious disease with wild animals as a reservoir 
B)  an infectious disease with humans as the only reservoir 
C)  an infectious disease with domestic cows as the only reservoir 
D)  an infectious disease with several possible reservoirs 
A)  an infectious disease with wild animals as a reservoir 
B)  an infectious disease with humans as the only reservoir 
C)  an infectious disease with domestic cows as the only reservoir 
D)  an infectious disease with several possible reservoirs

Question 12

The lower the basic reproduction number of a pathogen,the higher the percentage of immune individuals necessary to provide herd immunity.

Accepted Answer

A) True 
 B)False

Question 13

Diseases can be controlled through immunization even if the percentage of the population that is immunized is less than 100% because

Accepted Answer

A)  vectors can be controlled through other means. 
B)  most diseases lack reservoirs. 
C)  of herd immunity. 
D)  vehicles can be sterilized. 
A)  vectors can be controlled through other means. 
B)  most diseases lack reservoirs. 
C)  of herd immunity. 
D)  vehicles can be sterilized.

Question 14

A disease that is constantly present in low numbers is called an acute disease.

Accepted Answer

A) True 
 B)False

Question 15

How can epidemiologist differentiate between common-source and host-to-host epidemics based only on the incidence of disease?

Accepted Answer

Common-source epidemics result from a si

Question 16

Which of the following shows the correct relationship among the epidemiology terms listed?

Accepted Answer

A)  prevalence > incidence > mortality 
B)  incidence > prevalence > mortality 
C)  mortality > morbidity > prevalence 
D)  mortality > incidence > prevalence 
A)  prevalence > incidence > mortality 
B)  incidence > prevalence > mortality 
C)  mortality > morbidity > prevalence 
D)  mortality > incidence > prevalence

Question 17

Food and water are considered disease vehicles.

Accepted Answer

A) True 
 B)False

Question 18

Failure to reach equilibrium with a disease agent could result in extinction for a host species.

Accepted Answer

A) True 
 B)False

Question 19

Why are public health officials concerned about smallpox being used as a biological weapon? Give several reasons in your answer.

Accepted Answer

The causative agent for smallpox,Variola

Question 20

The study of the occurrence,distribution,and determinants of health and disease in a population is the field of

Accepted Answer

A)  microbiology. 
B)  immunology. 
C)  epidemiology. 
D)  virology. 
A)  microbiology. 
B)  immunology. 
C)  epidemiology. 
D)  virology.

Exam 28: Epidemiology

In just over a decade of efforts,the World Health Organization (WHO)eradicated smallpox by using worldwide

Which of the following is NOT a public health measure used to control the transmission of disease?

What measures would be taken if a case of smallpox were recognized in a world traveler after the individual had debarked from Heathrow airport in England following several days of sightseeing in London?

Which of the following is/are considered (a)direct contact infection(s)?

Explain the concept of coevolution in terms of host-pathogen interactions.

Disease ________ is measured by the total number of new reported disease cases within a population over a period of time.

Diseases that suddenly become prevalent are referred to as ________ diseases.

Upper respiratory infectious agents are commonly transmitted from person to person.

Why are diseases such as rabies that have a wild animal reservoir so difficult to eradicate while other diseases such as brucellosis that reside in domestic animals have been virtually eradicated.

What is a/are potential reservoir(s)for viruses?

Which of the following diseases would be the easiest to control in a human population?

The lower the basic reproduction number of a pathogen,the higher the percentage of immune individuals necessary to provide herd immunity.

Diseases can be controlled through immunization even if the percentage of the population that is immunized is less than 100% because

A disease that is constantly present in low numbers is called an acute disease.

How can epidemiologist differentiate between common-source and host-to-host epidemics based only on the incidence of disease?

Which of the following shows the correct relationship among the epidemiology terms listed?

Food and water are considered disease vehicles.

Failure to reach equilibrium with a disease agent could result in extinction for a host species.

Why are public health officials concerned about smallpox being used as a biological weapon? Give several reasons in your answer.

The study of the occurrence,distribution,and determinants of health and disease in a population is the field of

Microorganisms and Microbiology

Microbial Cell Structure and Function

Microbial Metabolism

Molecular Biology

Microbial Growth and Control

Microbial Genomics

Metabolic Regulation

Viruses and Virology

Viral Genomes and Diversity

Genetics of Bacteria and Archaea

Genetic Engineering and Biotechnology

Microbial Evolution and Systematics

Metabolic Diversity of Microorganisms

Functional Diversity of Bacteria

Diversity of Bacteria

Diversity of Archaea

Diversity of Eukaryotic Microorganisms

Methods in Microbial Ecology

Microbial Ecosystems

Nutrient Cycles

Microbiology of the Built Environment

Microbial Symbioses

Microbial Interactions With Humans

Immunity and Host Defense

Immune Mechanisms

Molecular Immunology

Diagnostic Microbiology

Person-To-Person Bacterial and Viral Diseases

Vectorborne and Soilborne Bacterial and Viral Diseases

Water and Food As Vehicles of Bacterial Diseases

Eukaryotic Pathogens: Fungal and Parasitic Diseases

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