lecture 4

Question 1

sterilization

Answer 1

the killing or removal of all living organisms and viruses

Question 2

disinfection

Answer 2

rendering a surface or object free of all pathogenic microorganisms

Question 3

pasteurization

Answer 3

the heat treatment of milk or another liquid to reduce its total number of microorganisms

Question 4

antimicrobial agent

Answer 4

a chemical compound that kills or inhibits the growth of microorganisms

Question 5

bactericidal agent

Answer 5

an agent that kills bacteria

Question 6

bacteriostatic agent

Answer 6

an agent that inhibits bacterial growth

Question 7

minimum inhibitory concentration (MIC)

Answer 7

the smallest amount of an antimicrobial substance that prevents growth of the target microorganism

Question 8

sterilant

Answer 8

a chemical agent that destroys all forms of microbial life

Question 9

disinfectant

Answer 9

an antimicrobial agent used only on inanimate objects

Question 10

sanitizer

Answer 10

an agent that reduces microorganisms to a safe level, but may not eliminate them

Question 11

antiseptic (germicide)

Answer 11

a chemical agent that kills or inhibits growth of microorganisms and is sufficiently non-toxic to be applied to living tissues