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PowerPoint® Clicker Questions
prepared by Heather
Williamson Jordan, Ph.D.,
University of Tennessee,
Knoxville
CHAPTER
14
Infection,
Infectious
Diseases, and
Epidemiology
© 2014 Pearson Education, Inc.
________ is a symbiotic relationship in which
one organism benefits and the other organism
neither benefits nor is harmed.
a)
b)
c)
d)
Mutualism
Commensalism
Antagonism
Parasitism
© 2014 Pearson Education, Inc.
________ is a symbiotic relationship in which
one organism benefits and the other organism
neither benefits nor is harmed.
a)
b)
c)
d)
Mutualism
Commensalism
Antagonism
Parasitism
© 2014 Pearson Education, Inc.
Which of the following is an example of
mutualism?
a)
b)
c)
d)
Staphylococcus epidermidis living on human skin
bacteria living in the human colon
tapeworms living in the human colon
fleas living on a dog
© 2014 Pearson Education, Inc.
Which of the following is an example of
mutualism?
a)
b)
c)
d)
Staphylococcus epidermidis living on human skin
bacteria living in the human colon
tapeworms living in the human colon
fleas living on a dog
© 2014 Pearson Education, Inc.
Microorganisms that are able to colonize the
skin or mucosal surfaces for a limited period of
time are called ________.
a)
b)
c)
d)
parasites
transient microbiota
commensals
resident microbiota
© 2014 Pearson Education, Inc.
Microorganisms that are able to colonize the
skin or mucosal surfaces for a limited period of
time are called ________.
a)
b)
c)
d)
parasites
transient microbiota
commensals
resident microbiota
© 2014 Pearson Education, Inc.
The term that means free of contaminants is
________.
a)
b)
c)
d)
zoonotic
axenic
indigenous
apicomplexic
© 2014 Pearson Education, Inc.
The term that means free of contaminants is
________.
a)
b)
c)
d)
zoonotic
axenic
indigenous
apicomplexic
© 2014 Pearson Education, Inc.
Which of the following are conditions in the host
that cause normal microbiota to become
opportunistic pathogens?
a)
b)
c)
d)
hormonal changes
stress
immune suppression
all of the above
© 2014 Pearson Education, Inc.
Which of the following are conditions in the host
that cause normal microbiota to become
opportunistic pathogens?
a)
b)
c)
d)
hormonal changes
stress
immune suppression
all of the above
© 2014 Pearson Education, Inc.
What is a zoonotic disease?
a) a disease that affects only exotic animals, not
domesticated ones
b) a disease that can spread from animals to humans
c) a disease that can spread from zoo animals to the
zookeepers
d) a disease that can spread only from humans to
animals, not from animals to humans
© 2014 Pearson Education, Inc.
What is a zoonotic disease?
a) a disease that affects only exotic animals, not
domesticated ones
b) a disease that can spread from animals to
humans
c) a disease that can spread from zoo animals to the
zookeepers
d) a disease that can spread only from humans to
animals, not from animals to humans
© 2014 Pearson Education, Inc.
All of the following are examples of zoonotic
diseases EXCEPT ________.
a)
b)
c)
d)
ringworm
rabies
chickenpox
malaria
© 2014 Pearson Education, Inc.
All of the following are examples of zoonotic
diseases EXCEPT ________.
a)
b)
c)
d)
ringworm
rabies
chickenpox
malaria
© 2014 Pearson Education, Inc.
Which of the following is an example of a
parenteral route of infection?
a) inhaling contaminated air
b) pathogens crossing the placenta to infect the
developing fetus
c) an infant being exposed to the normal flora of its
parents
d) stepping on a nail
© 2014 Pearson Education, Inc.
Which of the following is an example of a
parenteral route of infection?
a) inhaling contaminated air
b) pathogens crossing the placenta to infect the
developing fetus
c) an infant being exposed to the normal flora of its
parents
d) stepping on a nail
© 2014 Pearson Education, Inc.
The most frequently used portal of entry is the
________.
a)
b)
c)
d)
respiratory tract
skin
parenteral route
placenta
© 2014 Pearson Education, Inc.
The most frequently used portal of entry is the
________.
a)
b)
c)
d)
respiratory tract
skin
parenteral route
placenta
© 2014 Pearson Education, Inc.
The term that applies when the multiplication of
a pathogen results in a negative effect on the
body is ________.
a)
b)
c)
d)
infection
disease
synergy
antagonism
© 2014 Pearson Education, Inc.
The term that applies when the multiplication of
a pathogen results in a negative effect on the
body is ________.
a)
b)
c)
d)
infection
disease
synergy
antagonism
© 2014 Pearson Education, Inc.
What is the term used to describe
characteristics of a disease that are felt by the
patient?
a)
b)
c)
d)
symptoms
signs
objective manifestations
syndrome
© 2014 Pearson Education, Inc.
What is the term used to describe
characteristics of a disease that are felt by the
patient?
a)
b)
c)
d)
symptoms
signs
objective manifestations
syndrome
© 2014 Pearson Education, Inc.
Fetal alcohol syndrome is an example of a(n)
________ disease.
a)
b)
c)
d)
hereditary
congenital
idiopathic
neoplastic
© 2014 Pearson Education, Inc.
Fetal alcohol syndrome is an example of a(n)
________ disease.
a)
b)
c)
d)
hereditary
congenital
idiopathic
neoplastic
© 2014 Pearson Education, Inc.
Why are bacterial capsules effective as
virulence factors?
a) Capsules are toxic to the human immune system.
b) The bacterial capsule is not a virulence factor.
c) Capsules allow pathogens to reproduce faster within
the host.
d) Capsules enable pathogens to "hide" from the
immune system.
© 2014 Pearson Education, Inc.
Why are bacterial capsules effective as
virulence factors?
a) Capsules are toxic to the human immune system.
b) The bacterial capsule is not a virulence factor.
c) Capsules allow pathogens to reproduce faster within
the host.
d) Capsules enable pathogens to "hide" from the
immune system.
© 2014 Pearson Education, Inc.
Which of the following types of toxins are
produced by only Gram-negative bacteria?
a)
b)
c)
d)
endotoxins
cytotoxins
neurotoxins
enterotoxins
© 2014 Pearson Education, Inc.
Which of the following types of toxins are
produced by only Gram-negative bacteria?
a)
b)
c)
d)
endotoxins
cytotoxins
neurotoxins
enterotoxins
© 2014 Pearson Education, Inc.
Which of the following is an example of a portal
of exit?
a)
b)
c)
d)
blood
urine
bodily secretions
all of the above
© 2014 Pearson Education, Inc.
Which of the following is an example of a portal
of exit?
a)
b)
c)
d)
blood
urine
bodily secretions
all of the above
© 2014 Pearson Education, Inc.
Which is true about mechanical vectors?
a) They serve as hosts for the multiplication of the
pathogen.
b) They are transmitted by biting arthropods.
c) They passively carry pathogens to new hosts.
d) both b and c
© 2014 Pearson Education, Inc.
Which is true about mechanical vectors?
a) They serve as hosts for the multiplication of the
pathogen.
b) They are transmitted by biting arthropods.
c) They passively carry pathogens to new hosts.
d) both b and c
© 2014 Pearson Education, Inc.
All of the following are examples of direct
contact transmission of disease EXCEPT
________.
a)
b)
c)
d)
scratching
kissing
sharing a drinking glass
crossing the placenta
© 2014 Pearson Education, Inc.
All of the following are examples of direct
contact transmission of disease EXCEPT
________.
a)
b)
c)
d)
scratching
kissing
sharing a drinking glass
crossing the placenta
© 2014 Pearson Education, Inc.
The common cold is an example of a(n)
________ disease.
a)
b)
c)
d)
acute
latent
subacute
chronic
© 2014 Pearson Education, Inc.
The common cold is an example of a(n)
________ disease.
a)
b)
c)
d)
acute
latent
subacute
chronic
© 2014 Pearson Education, Inc.
What type of disease develops rapidly but only
lasts for a short time?
a)
b)
c)
d)
noncommunicable
chronic
latent
acute
© 2014 Pearson Education, Inc.
What type of disease develops rapidly but only
lasts for a short time?
a)
b)
c)
d)
noncommunicable
chronic
latent
acute
© 2014 Pearson Education, Inc.
A focal infection ________.
a) is widespread in many systems of the body
b) is confined to a small region of the body
c) serves as a source of pathogens for infections at
other sites in the body
d) is the initial infection in a patient
© 2014 Pearson Education, Inc.
A focal infection ________.
a) is widespread in many systems of the body
b) is confined to a small region of the body
c) serves as a source of pathogens for infections at
other sites in the body
d) is the initial infection in a patient
© 2014 Pearson Education, Inc.
What term best describes the total number of
disease cases in an area during a given period
of time?
a)
b)
c)
d)
mortality
morbidity
prevalence
incidence
© 2014 Pearson Education, Inc.
What term best describes the total number of
disease cases in an area during a given period
of time?
a)
b)
c)
d)
mortality
morbidity
prevalence
incidence
© 2014 Pearson Education, Inc.
What term best describes a disease that
normally occurs continually at a relatively stable
incidence?
a)
b)
c)
d)
planetary
pandemic
endemic
sporadic
© 2014 Pearson Education, Inc.
What term best describes a disease that
normally occurs continually at a relatively stable
incidence?
a)
b)
c)
d)
planetary
pandemic
endemic
sporadic
© 2014 Pearson Education, Inc.
Which of the following best describes an
endogenous nosocomial infection?
a) acquired from the health care environment
b) acquired outside the hospital
c) the result of normal microbiota becoming
opportunistic in the health care setting
d) the result of contact with sick doctors and nurses
© 2014 Pearson Education, Inc.
Which of the following best describes an
endogenous nosocomial infection?
a) acquired from the health care environment
b) acquired outside the hospital
c) the result of normal microbiota becoming
opportunistic in the health care setting
d) the result of contact with sick doctors and nurses
© 2014 Pearson Education, Inc.
The careful examination of data used to identify
a cause or mode of transmission following an
outbreak of disease is called ________
epidemiology.
a)
b)
c)
d)
descriptive
analytical
experimental
disease
© 2014 Pearson Education, Inc.
The careful examination of data used to identify
a cause or mode of transmission following an
outbreak of disease is called ________
epidemiology.
a)
b)
c)
d)
descriptive
analytical
experimental
disease
© 2014 Pearson Education, Inc.
Which statement best describes the handling of
disease data?
a) Only government agencies are qualified to collect
disease data.
b) Each country keeps its disease data private from the
rest of the world.
c) Local, state, national, and global agencies collect data
and share them with one another and the public.
d) Disease data are only available to the
public in case of emergency.
© 2014 Pearson Education, Inc.
Which statement best describes the handling of
disease data?
a) Only government agencies are qualified to collect
disease data.
b) Each country keeps its disease data private from the
rest of the world.
c) Local, state, national, and global agencies collect
data and share them with one another and the
public.
d) Disease data are only available to the
public in case of emergency.
© 2014 Pearson Education, Inc.
Whose responsibility is it to control disease
transmission and spread?
a) Individuals should take responsibility for their own
health.
b) Public health officials should control potential vectors
of disease.
c) Various public health agencies should provide
information to educate the public.
d) all of the above
© 2014 Pearson Education, Inc.
Whose responsibility is it to control disease
transmission and spread?
a) Individuals should take responsibility for their own
health.
b) Public health officials should control potential vectors
of disease.
c) Various public health agencies should provide
information to educate the public.
d) all of the above
© 2014 Pearson Education, Inc.