NURS 230 Final Exam Questions and
All Correct Answers 2026 Updated.
6 components of infection cycle - Answer infectious agent, reservoir, portal of exit, means of
transmission, portal on entry, susceptible host
3 procedures used to reduce and prevent the spread of microorganisms - Answer hang
washing, changing linen, using clean equipment
most common observed infection in healthcare - Answer bacteria
smallest of all microorganisms - Answer viruses
plant like organisms (molds/yeasts) - Answer fungi
organisms that live on hosts and rely on host for nourishment - Answer parasite
place where the microorganism is comfortable (other humans, soil, water, animals) - Answer
reservoir
means that the organism can escape from reservoir - Answer portal of exit
means of transmission - Answer contact (direct/indirect), airborne/droplets
organism must find a way into a host or it will die
GI, GU, Resp, Integ systems - Answer portal of entry
microorganisms can survive only if they overcome resistance from the host's defenses - Answer
susceptible host
period between the pathogen's invasion of the body and the appearance of symptoms - Answer
incubation period
most infectious stage
early s/s are present, but vague
lasts several hours to several days
, usually don't realize that you are contagious - spread infection - Answer prodromal stage
specific s/s indicate illness
localized symptoms
systemic symptoms - Answer full stage of illness
symptoms that occur in one part of the body - Answer localized symptoms
symptoms manifested throughout the whole body - Answer systemic symptoms
recovery period from the infection
may vary according to severity and general health of the person
return to healthy state, or may have a temporary or permanent change
a person may continually go through the stages - Answer convalescent period
if pathogens multiply and cause clinical signs and symptoms, the infection is... - Answer
symptomatic
if clinical signs and symptoms are not present, the illness is termed... - Answer asymptomatic
AKA sterile technique
procedures used to eliminate microorganisms from an area - Answer surgical asepsis
the most important and most basic technique in preventing and controlling transmission of
infections - Answer hand washing
what is the purpose of PPE? - Answer to avoid contact with blood, body fluids, secretions,
and excretions & transmission of infectious material found in these substances
correct order to don PPE - Answer gown, mask/respirator, goggles/face shield, gloves
correct order to remove PPE - Answer gloves, goggles/face shield, gown, mask, perform hand
hygiene
a specific eye, mouth, other mucous membrane, non-intact skin, or parenteral contact with
blood or other potentially infectious materials that results from the performance of an
employee's duties - Answer exposure incident
All Correct Answers 2026 Updated.
6 components of infection cycle - Answer infectious agent, reservoir, portal of exit, means of
transmission, portal on entry, susceptible host
3 procedures used to reduce and prevent the spread of microorganisms - Answer hang
washing, changing linen, using clean equipment
most common observed infection in healthcare - Answer bacteria
smallest of all microorganisms - Answer viruses
plant like organisms (molds/yeasts) - Answer fungi
organisms that live on hosts and rely on host for nourishment - Answer parasite
place where the microorganism is comfortable (other humans, soil, water, animals) - Answer
reservoir
means that the organism can escape from reservoir - Answer portal of exit
means of transmission - Answer contact (direct/indirect), airborne/droplets
organism must find a way into a host or it will die
GI, GU, Resp, Integ systems - Answer portal of entry
microorganisms can survive only if they overcome resistance from the host's defenses - Answer
susceptible host
period between the pathogen's invasion of the body and the appearance of symptoms - Answer
incubation period
most infectious stage
early s/s are present, but vague
lasts several hours to several days
, usually don't realize that you are contagious - spread infection - Answer prodromal stage
specific s/s indicate illness
localized symptoms
systemic symptoms - Answer full stage of illness
symptoms that occur in one part of the body - Answer localized symptoms
symptoms manifested throughout the whole body - Answer systemic symptoms
recovery period from the infection
may vary according to severity and general health of the person
return to healthy state, or may have a temporary or permanent change
a person may continually go through the stages - Answer convalescent period
if pathogens multiply and cause clinical signs and symptoms, the infection is... - Answer
symptomatic
if clinical signs and symptoms are not present, the illness is termed... - Answer asymptomatic
AKA sterile technique
procedures used to eliminate microorganisms from an area - Answer surgical asepsis
the most important and most basic technique in preventing and controlling transmission of
infections - Answer hand washing
what is the purpose of PPE? - Answer to avoid contact with blood, body fluids, secretions,
and excretions & transmission of infectious material found in these substances
correct order to don PPE - Answer gown, mask/respirator, goggles/face shield, gloves
correct order to remove PPE - Answer gloves, goggles/face shield, gown, mask, perform hand
hygiene
a specific eye, mouth, other mucous membrane, non-intact skin, or parenteral contact with
blood or other potentially infectious materials that results from the performance of an
employee's duties - Answer exposure incident
