Exam 4 BIO2104
Questions and
Complete Solutions
Graded A+
Denning [Date] [Course title]
, Sterilization - Answer: The process that completely destroys all microbial life, including spores.
Inanimate objects
Removes all viable microorganisms
Disinfection - Answer: A process that eliminates many or all microorganisms, with the exception of
bacteria spores, from inanimate objects.
Uses physical processes or chemical agents
Removes toxins and destroys vegetative pathogens.
—pasteurization
prevelance rate - Answer: Refers to total number of existing cases of disease in a population
Incidence rate - Answer: Number of new cases in given time period
Antisepsis - Answer: Applied directly to exposed body surfaces to destroy or inhibit vegetative
pathogens
asepsis - Answer: any practice that prevents the entry of infectious agents into sterile tissues and thus
prevents infection
Sulfa drugs work through competitive inhibition - Answer: True
mortality rate - Answer: the relative death rate, or the sum of deaths in a given population at a given
time
morbidity rate - Answer: number of people affected in relation to the total population in a given time
period
Decontamination - Answer: the mechanical removal of most microbes from an animate or inanimate
surface
Used when actual sterilization isn't needed
Questions and
Complete Solutions
Graded A+
Denning [Date] [Course title]
, Sterilization - Answer: The process that completely destroys all microbial life, including spores.
Inanimate objects
Removes all viable microorganisms
Disinfection - Answer: A process that eliminates many or all microorganisms, with the exception of
bacteria spores, from inanimate objects.
Uses physical processes or chemical agents
Removes toxins and destroys vegetative pathogens.
—pasteurization
prevelance rate - Answer: Refers to total number of existing cases of disease in a population
Incidence rate - Answer: Number of new cases in given time period
Antisepsis - Answer: Applied directly to exposed body surfaces to destroy or inhibit vegetative
pathogens
asepsis - Answer: any practice that prevents the entry of infectious agents into sterile tissues and thus
prevents infection
Sulfa drugs work through competitive inhibition - Answer: True
mortality rate - Answer: the relative death rate, or the sum of deaths in a given population at a given
time
morbidity rate - Answer: number of people affected in relation to the total population in a given time
period
Decontamination - Answer: the mechanical removal of most microbes from an animate or inanimate
surface
Used when actual sterilization isn't needed
