Microbiology Chapter 5

Question 1

Sterilization

Answer 1

Removal or destruction of all microorganims and viruses.

Question 2

Sterile item is free of ______ including ______, but does not consider _______.

Answer 2

Microbes; Endospores; Prions

Question 3

Disinfection

Answer 3

Elimination of most of all pathogens. Some viable microbes may remain.

Question 4

Disinfectants

Answer 4

Chemicals used on inanimate objects, often called germicides.

Question 5

Antiseptics

Answer 5

Chemicals used on living tissues.

Question 6

Decontamination

Answer 6

Reduces the number of pathogens to a safe level (Washing, use of heat, or chemicals)

Question 7

Sanitization

Answer 7

Substantially reduces microbial population to meet accepted health standards that minimize spread of disease.

Question 8

Preservation

Answer 8

Process of delaying spoilage of perishable products.

Question 9

Pasteurization

Answer 9

Brief heating to reduce number of spoilage organisms, destroy pathogens without changing characterizations of product.