1
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NUR612 Questions and Answers (100%
Correct Answers) Already Graded A+
_____ is any organism capable of supporting the nutritional and
physical growth requirements of another organism—Ans: host
______ is bacteria that inhabits exposed surfaces of the body—
Ans: microflora
_______ is the presence and multiplication of a living organism on
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or within a host that does NOT cause harm—Ans: colonization
_______ is the disease state brought about by the interaction of an
organism living within a host that causes harm to the host—Ans:
Guru01 - Stuvia
infectious disease
____ is the disease inducing potential of a microbe/organism—
Ans: virulence
_____ are microorganisms so virulent that they are rarely found in
the absence of disease—Ans: pathogens
_____ is a free-living organism that obtains growth from dead or
decaying organic material, rarely affect humans—Ans:
saprophytes
______ are microorganisms that are capable of producing an
infectious disease when the health/immunity of the host have
been severely weakened by illness, malnutrition, or medical
therapy—Ans: opportunistic pathogens
_____ is a relationship between microorganism and host in which
both organisms benefit e.g. bacteria in the gut producing Vit. K—
Ans: mutualism
____ is a relationship between microorganism and host in which
the colonizing organism acquires its needs from the host, but
without causing harm to the host—Ans: commensalism
, 2
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_____ is a relationship between a microorganism and host in which
the microorganism acquires its need at the expense of the host,
only the infecting organism benefits—Ans: parasitism
_____ are protein particles that are able to transmit infection, lack
a demonstrable genome, and are resistant to antibiotics due to
their lack of repro/metabolic functions—Ans: prions
Two examples of diseases transmitted via prions are:—Ans: -
Creutzfeldt Jacob disease
-Kuru
Prion-based diseases are typically ______ progressing, and result in
non-inflammatory neuronal degeneration resulting in dementia,
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ataxia, and death—Ans: slow
_______ are the smallest obligate intracellular pathogens, have no
organized cellular structure, and can be composed of either DNA
Guru01 - Stuvia
or RNA, but never both—Ans: Viruses
Viruses are composed of two parts: the _____ and _______, and
require what to replicate?—Ans: -capsid (protein coat)
-nucleic acid core (genome, either DNA or RNA)
They require a host cell in which to replicate, replication cannot
occur outside of a living cell
____ are bacteria that lack an organized nucleus—Ans:
prokaryotes
_____ are microorganisms that possess a membrane nucleus such
as fungi—Ans: eukaryotes
______ are a type of fungi that are yeast at one temperature and
molds at another—Ans: dimorphic fungi
Examples of dimorphic fungi:—Ans: -blastomycosis
-histoplasmosis
-coccidiodomycosis
_____ are long filaments utilized by molds—Ans: hyphae
, 3
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___ are single celled fungi that reproduce by budding—Ans:
yeasts
Bacteria are primarily classified by:—Ans: -shape/microscopic
appearance
-presence of absence of peptidoglycan cell wall (gram+/gram-)
______ = rod bacteria—Ans: bacillis
_____ = spherical bacteria—Ans: cocci
_____ = helical bacteria—Ans: spirilla
_______ bacteria will stain purple in the presence of a primary dye
like crystal violet—Ans: gram positive
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______ bacteria will not stain purple, but will stain red in the
presence of a counterstain like safranin—Ans: gram negative
_____ are single celled animals with defined nuclei and organelles
that can cause parasitic infection—Ans: protozoa
Guru01 - Stuvia
______ are worms, roundworms, flukes, etc. capable of causing
parasitic infection—Ans: helminths
_______ are bugs capable of causing parasitic infection—Ans:
arthropods
Examples of organisms that combine viral and bacterial
characteristics—Ans: -Rickettsiaceae
-Anaplasmataceae
-Chlamydiaceae
-Coxiella
Viral: obligate intracellular pathogen
Bacterial: cell wall, asexual reproduction via cell division
Both: Contain DNA and RNA
___ is a tick born organism capable of producing Rocky Mt
spotted fever and possibly lyme disease—Ans: rickettsiaceae
______ is a directly transmitted organism responsible for the STI
chlamydia—Ans: Chlamydophila trachomatis
, 4
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_______ is a disease found in a particular geographical region in
which the incidence/prevalence are relatively predictable and
stable—Ans: endemic disease
______ is an abrupt and unexpected increase in the incidence of
disease over endemic rates—Ans: epidemic
_____ is the spread of disease beyond continental borders—Ans:
pandemic
criteria used in classifying infectious diseases—Ans: -portal of entry
-incidence
-source
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-signs/symptoms
-disease course
-site of infection
Guru01 - Stuvia
-virulence factors
Examples of portals of entry—Ans: -penetration (physical trauma
to integument system
-direct contact (think STIs)
-ingestion
-inhalation
_________ is a form of direct contact in which a pathogen is
transmitted from a host to progeny post-gestation—Ans: vertical
transmission e.g. breast feeding, contact with infected vaginal
mucosa during delivery
____ is a form of direct transmission in which a pathogen is
transmitted from a host to progeny during gestation—Ans:
congenital transmission
______ are infections that develop within a hospital
patient/setting—Ans: nosocomial
_____ are infections acquired outside of healthcare facilities—Ans:
community-acquired infections
For Expert help and assignment solutions, +254707240657
NUR612 Questions and Answers (100%
Correct Answers) Already Graded A+
_____ is any organism capable of supporting the nutritional and
physical growth requirements of another organism—Ans: host
______ is bacteria that inhabits exposed surfaces of the body—
Ans: microflora
_______ is the presence and multiplication of a living organism on
© 2025 Assignment Expert
or within a host that does NOT cause harm—Ans: colonization
_______ is the disease state brought about by the interaction of an
organism living within a host that causes harm to the host—Ans:
Guru01 - Stuvia
infectious disease
____ is the disease inducing potential of a microbe/organism—
Ans: virulence
_____ are microorganisms so virulent that they are rarely found in
the absence of disease—Ans: pathogens
_____ is a free-living organism that obtains growth from dead or
decaying organic material, rarely affect humans—Ans:
saprophytes
______ are microorganisms that are capable of producing an
infectious disease when the health/immunity of the host have
been severely weakened by illness, malnutrition, or medical
therapy—Ans: opportunistic pathogens
_____ is a relationship between microorganism and host in which
both organisms benefit e.g. bacteria in the gut producing Vit. K—
Ans: mutualism
____ is a relationship between microorganism and host in which
the colonizing organism acquires its needs from the host, but
without causing harm to the host—Ans: commensalism
, 2
For Expert help and assignment solutions, +254707240657
_____ is a relationship between a microorganism and host in which
the microorganism acquires its need at the expense of the host,
only the infecting organism benefits—Ans: parasitism
_____ are protein particles that are able to transmit infection, lack
a demonstrable genome, and are resistant to antibiotics due to
their lack of repro/metabolic functions—Ans: prions
Two examples of diseases transmitted via prions are:—Ans: -
Creutzfeldt Jacob disease
-Kuru
Prion-based diseases are typically ______ progressing, and result in
non-inflammatory neuronal degeneration resulting in dementia,
© 2025 Assignment Expert
ataxia, and death—Ans: slow
_______ are the smallest obligate intracellular pathogens, have no
organized cellular structure, and can be composed of either DNA
Guru01 - Stuvia
or RNA, but never both—Ans: Viruses
Viruses are composed of two parts: the _____ and _______, and
require what to replicate?—Ans: -capsid (protein coat)
-nucleic acid core (genome, either DNA or RNA)
They require a host cell in which to replicate, replication cannot
occur outside of a living cell
____ are bacteria that lack an organized nucleus—Ans:
prokaryotes
_____ are microorganisms that possess a membrane nucleus such
as fungi—Ans: eukaryotes
______ are a type of fungi that are yeast at one temperature and
molds at another—Ans: dimorphic fungi
Examples of dimorphic fungi:—Ans: -blastomycosis
-histoplasmosis
-coccidiodomycosis
_____ are long filaments utilized by molds—Ans: hyphae
, 3
For Expert help and assignment solutions, +254707240657
___ are single celled fungi that reproduce by budding—Ans:
yeasts
Bacteria are primarily classified by:—Ans: -shape/microscopic
appearance
-presence of absence of peptidoglycan cell wall (gram+/gram-)
______ = rod bacteria—Ans: bacillis
_____ = spherical bacteria—Ans: cocci
_____ = helical bacteria—Ans: spirilla
_______ bacteria will stain purple in the presence of a primary dye
like crystal violet—Ans: gram positive
© 2025 Assignment Expert
______ bacteria will not stain purple, but will stain red in the
presence of a counterstain like safranin—Ans: gram negative
_____ are single celled animals with defined nuclei and organelles
that can cause parasitic infection—Ans: protozoa
Guru01 - Stuvia
______ are worms, roundworms, flukes, etc. capable of causing
parasitic infection—Ans: helminths
_______ are bugs capable of causing parasitic infection—Ans:
arthropods
Examples of organisms that combine viral and bacterial
characteristics—Ans: -Rickettsiaceae
-Anaplasmataceae
-Chlamydiaceae
-Coxiella
Viral: obligate intracellular pathogen
Bacterial: cell wall, asexual reproduction via cell division
Both: Contain DNA and RNA
___ is a tick born organism capable of producing Rocky Mt
spotted fever and possibly lyme disease—Ans: rickettsiaceae
______ is a directly transmitted organism responsible for the STI
chlamydia—Ans: Chlamydophila trachomatis
, 4
For Expert help and assignment solutions, +254707240657
_______ is a disease found in a particular geographical region in
which the incidence/prevalence are relatively predictable and
stable—Ans: endemic disease
______ is an abrupt and unexpected increase in the incidence of
disease over endemic rates—Ans: epidemic
_____ is the spread of disease beyond continental borders—Ans:
pandemic
criteria used in classifying infectious diseases—Ans: -portal of entry
-incidence
-source
© 2025 Assignment Expert
-signs/symptoms
-disease course
-site of infection
Guru01 - Stuvia
-virulence factors
Examples of portals of entry—Ans: -penetration (physical trauma
to integument system
-direct contact (think STIs)
-ingestion
-inhalation
_________ is a form of direct contact in which a pathogen is
transmitted from a host to progeny post-gestation—Ans: vertical
transmission e.g. breast feeding, contact with infected vaginal
mucosa during delivery
____ is a form of direct transmission in which a pathogen is
transmitted from a host to progeny during gestation—Ans:
congenital transmission
______ are infections that develop within a hospital
patient/setting—Ans: nosocomial
_____ are infections acquired outside of healthcare facilities—Ans:
community-acquired infections
