Community ATI Chapter 3
Questions With Accurate Answers
acquired immunity correct answer develops through actual exposure to the
infectious agents
active immunity correct answer production of antibodies by the body in response
to infection or immunization with a specific antigen
agent correct answer -physical, infectious, or chemical factor that causes the
disease
agent examples correct answer -chemical: drugs, toxins
-physical agents: noise, temperature
-infectious agents: viruses, bacteria
airborne transmission examples correct answer -measles (airborne precautions)
-chickenpox (airborne precautions)
-tb (airborne precautions)
-pertussis (droplet precautions)
-influenza (droplet precautions)
-SARS (droplet precautions)
attack rate formula correct answer (# of people exposed to an agent who develop
the disease) / (total # of people exposed)
, chain of infection correct answer causative agent > reservoir > portal of exit >
mode of transmission > portal of entry > susceptible host
crude mortality rate formula correct answer (number of deaths) / (population
total) x 1000
defense mechanisms include... correct answer -herd immunity
-natural immunity
-acquired immunity
-active
-passive
direct contact disease examples correct answer -STI/STDs
-mononucleosis
-enterobiasis (pinworms)
-impetigo
-lice, scabies
environment correct answer setting or surrounding that sustains the host
environment examples correct answer -physical: geography, water/food supply,
reservoirs/vectors
-social: access to heath care, high risk conditions, poverty
epidemic correct answer condition occurs when the rate of disease exceeds the
usual (endemic) level of the condition in a defined population
Questions With Accurate Answers
acquired immunity correct answer develops through actual exposure to the
infectious agents
active immunity correct answer production of antibodies by the body in response
to infection or immunization with a specific antigen
agent correct answer -physical, infectious, or chemical factor that causes the
disease
agent examples correct answer -chemical: drugs, toxins
-physical agents: noise, temperature
-infectious agents: viruses, bacteria
airborne transmission examples correct answer -measles (airborne precautions)
-chickenpox (airborne precautions)
-tb (airborne precautions)
-pertussis (droplet precautions)
-influenza (droplet precautions)
-SARS (droplet precautions)
attack rate formula correct answer (# of people exposed to an agent who develop
the disease) / (total # of people exposed)
, chain of infection correct answer causative agent > reservoir > portal of exit >
mode of transmission > portal of entry > susceptible host
crude mortality rate formula correct answer (number of deaths) / (population
total) x 1000
defense mechanisms include... correct answer -herd immunity
-natural immunity
-acquired immunity
-active
-passive
direct contact disease examples correct answer -STI/STDs
-mononucleosis
-enterobiasis (pinworms)
-impetigo
-lice, scabies
environment correct answer setting or surrounding that sustains the host
environment examples correct answer -physical: geography, water/food supply,
reservoirs/vectors
-social: access to heath care, high risk conditions, poverty
epidemic correct answer condition occurs when the rate of disease exceeds the
usual (endemic) level of the condition in a defined population
