Question 1

Which of the following do not affect the incubation period of an infectious disease?

Accepted Answer

A)  nature of the microorganism 
B)  virulence factors 
C)  the number of invading microorganisms 
D)  time between when symptoms arise and microbe is transmitted 
A)  nature of the microorganism 
B)  virulence factors 
C)  the number of invading microorganisms 
D)  time between when symptoms arise and microbe is transmitted

Question 2

Hyaluronidase

Accepted Answer

A)  dissolves blood clots 
B)  allows the pathogens to spread to other tissues 
C)  or spreading factor is important for streptococci colonization 
D)  or adhesion is important for staphylococci to adhere to tissue 
A)  dissolves blood clots 
B)  allows the pathogens to spread to other tissues 
C)  or spreading factor is important for streptococci colonization 
D)  or adhesion is important for staphylococci to adhere to tissue

Question 3

A productive infection

Accepted Answer

A)  has continued and prolonged production of viruses in a host 
B)  is controlled by the host immune system and later causes disease 
C)  occurs when the virus enters the cell and produces offspring 
D)  often leads to a viral syndrome 
A)  has continued and prolonged production of viruses in a host 
B)  is controlled by the host immune system and later causes disease 
C)  occurs when the virus enters the cell and produces offspring 
D)  often leads to a viral syndrome

Question 4

What causes the cytopathic effect (CPE)?

Accepted Answer

A)  bacteria 
B)  fungi 
C)  protozoa 
D)  viruses 
A)  bacteria 
B)  fungi 
C)  protozoa 
D)  viruses

Question 5

A symbiotic relationship in which one species benefits from the association while the other species is not harmed but does not benefit from the relationship is called:

Accepted Answer

A)  parasitism 
B)  mutualism 
C)  commensalism 
D)  contamination 
A)  parasitism 
B)  mutualism 
C)  commensalism 
D)  contamination

Question 6

An infection that is confined to a specific area of the body:

Accepted Answer

A)  local infection 
B)  focal infection 
C)  systemic infection 
D)  latent infection 
A)  local infection 
B)  focal infection 
C)  systemic infection 
D)  latent infection

Question 7

The virus that causes chicken pox in childhood

Accepted Answer

A)  is a noncommunicable infectious disease 
B)  has no convalescence stage 
C)  produces hemolysins that release iron 
D)  is the causative agent of shingles 
A)  is a noncommunicable infectious disease 
B)  has no convalescence stage 
C)  produces hemolysins that release iron 
D)  is the causative agent of shingles

Question 8

A healthcare worker fails to follow aseptic procedures while cleaning a wound,washes his hands properly afterwards and suffers no ill effects-this is an example of:

Accepted Answer

A)  commensalism 
B)  infection 
C)  infestation 
D)  contamination 
A)  commensalism 
B)  infection 
C)  infestation 
D)  contamination

Question 9

All of the following are true of the relationship between microorganisms and diseases except

Accepted Answer

A)  sickle cell anemia patients are resistant to malaria 
B)  bacterial infections can lead to endocarditis 
C)  viral infections invariably lead to nutritional deficiency 
D)  infections in the brain can result in mental disease 
A)  sickle cell anemia patients are resistant to malaria 
B)  bacterial infections can lead to endocarditis 
C)  viral infections invariably lead to nutritional deficiency 
D)  infections in the brain can result in mental disease

Question 10

An idiopathic disease

Accepted Answer

A)  has unknown causes 
B)  has no infectious basis 
C)  involves abnormal cell growth 
D)  two of the above 
A)  has unknown causes 
B)  has no infectious basis 
C)  involves abnormal cell growth 
D)  two of the above

Question 11

The 1918 Influenza Epidemic was the worst one on record. People infected early in the epidemic had a mild flu,while those later infected had a much more severe form of the disease. What is the explanation for this observation and what laboratory studies mimic these results? Why do you think this doesn't occur for all infectious diseases?

Accepted Answer

While pathogens are passaged from one ho

Question 12

Toxoid

Accepted Answer

A)  is an altered toxin that retains its antigenicity 
B)  is an endotoxin 
C)  is insoluble in host tissues 
D)  destroys or damages neutrophils 
A)  is an altered toxin that retains its antigenicity 
B)  is an endotoxin 
C)  is insoluble in host tissues 
D)  destroys or damages neutrophils

Question 13

In the United States,infectious diseases are currently

Accepted Answer

A)  responsible for more deaths than cardiovascular diseases 
B)  the number one cause of mortality 
C)  ranked after cancer, accidents, diabetes and cardiovascular disease in mortality 
D)  two of the above 
A)  responsible for more deaths than cardiovascular diseases 
B)  the number one cause of mortality 
C)  ranked after cancer, accidents, diabetes and cardiovascular disease in mortality 
D)  two of the above

Question 14

Botulinum Toxin

Accepted Answer

A)  when used for cosmetic purposes is called Botox 
B)  relieves muscle spasms in dystonia 
C)  is produced by Clostridium botulinum 
D)  all of the above 
A)  when used for cosmetic purposes is called Botox 
B)  relieves muscle spasms in dystonia 
C)  is produced by Clostridium botulinum 
D)  all of the above

Question 15

Which of the following does not pertain to the commensal organism E. coli?

Accepted Answer

A)  found in large numbers on human host 
B)  found in the human intestinal tract 
C)  synthesizes vitamin K 
D)  synthesizes blood clotting factors 
A)  found in large numbers on human host 
B)  found in the human intestinal tract 
C)  synthesizes vitamin K 
D)  synthesizes blood clotting factors

Which of the following do not affect the incubation period of an infectious disease?

Hyaluronidase

A productive infection

What causes the cytopathic effect (CPE)?

A symbiotic relationship in which one species benefits from the association while the other species is not harmed but does not benefit from the relationship is called:

An infection that is confined to a specific area of the body:

The virus that causes chicken pox in childhood

A healthcare worker fails to follow aseptic procedures while cleaning a wound,washes his hands properly afterwards and suffers no ill effects-this is an example of:

All of the following are true of the relationship between microorganisms and diseases except

An idiopathic disease

Toxoid

In the United States,infectious diseases are currently

Botulinum Toxin

Which of the following does not pertain to the commensal organism E. coli?

Scope and History of Microbiology

Fundamentals of Chemistry

Microscopy and Staining

Characteristics of Prokaryotic and Eukaryotic Cells

Essential Concepts of Metabolism

Growth and Culturing of Bacteria

Microbial Genetics

Gene Transfer and Genetic Engineering

An Introduction to Taxonomy: the Bacteria

Viruses

Eukaryotic Microorganisms and Parasites

Sterilization and Disinfection

Antimicrobial Therapy

Epidemiology and Nosocomial Infections

Innate Host Defenses

Immunology I: Basic Principles of Adaptive Immunity and Immunization

Immunolgy Ii: Immunological Disorders and Tests

Diseases of the Skin and Eyes; Wounds and Bites

Urogenital and Sexually Transmitted Diseases

Diseases of the Respiratory System

Oral and Gastrointestinal Diseases

Cardiovascular, lymphatic and Systemic Disease

Diseases of the Nervous System

Environmental Microbiology

Applied Microbiology

Filters

Exam 14: Host-Microbe Relationships and Disease Processes

Which of the following do not affect the incubation period of an infectious disease?

Hyaluronidase

A productive infection

What causes the cytopathic effect (CPE)?

A symbiotic relationship in which one species benefits from the association while the other species is not harmed but does not benefit from the relationship is called:

An infection that is confined to a specific area of the body:

The virus that causes chicken pox in childhood

A healthcare worker fails to follow aseptic procedures while cleaning a wound,washes his hands properly afterwards and suffers no ill effects-this is an example of:

All of the following are true of the relationship between microorganisms and diseases except

An idiopathic disease

Toxoid

In the United States,infectious diseases are currently

Botulinum Toxin

Which of the following does not pertain to the commensal organism E. coli?

Scope and History of Microbiology

Fundamentals of Chemistry

Microscopy and Staining

Characteristics of Prokaryotic and Eukaryotic Cells

Essential Concepts of Metabolism

Growth and Culturing of Bacteria

Microbial Genetics

Gene Transfer and Genetic Engineering

An Introduction to Taxonomy: the Bacteria

Viruses

Eukaryotic Microorganisms and Parasites

Sterilization and Disinfection

Antimicrobial Therapy

Epidemiology and Nosocomial Infections

Innate Host Defenses

Immunology I: Basic Principles of Adaptive Immunity and Immunization

Immunolgy Ii: Immunological Disorders and Tests

Diseases of the Skin and Eyes; Wounds and Bites

Urogenital and Sexually Transmitted Diseases

Diseases of the Respiratory System

Oral and Gastrointestinal Diseases

Cardiovascular, lymphatic and Systemic Disease

Diseases of the Nervous System

Environmental Microbiology

Applied Microbiology

Filters