Disinfection, Sterilization and Antimicrobial Agents

Question 1

Kills bacteria and fungal spores

Answer 1

Sporocide

Question 2

Disrupts structure of proteins and nucleic acids

Answer 2

Alkylating agents

Question 3

Denatures proteins; autoclave at 121 degrees C at 15lb/in ^2

Answer 3

Wet heat

Question 4

Inhibits enzymes

Answer 4

Drying

Question 5

Oxidation

Answer 5

Strong visible light

Question 6

Removes H2O

Answer 6

Osmotic pressure

Question 7

The process that completely destroys all microbial life, including spores

Answer 7

Sterilization

Question 8

The process of destroying pathogens until they no longer pose harm

Answer 8

Disinfection

Question 9

A substance that destroys microorganisms that carry disease without harming body tissue

Answer 9

Antiseptic

Question 10

Substance that kills microorganisms except viruses and spores, used on inanimate objects

Answer 10

Disinfectant

Question 11

Chemical agents used on food equipment to reduce the number of bacteria

Answer 11

Sanitizer

Question 12

Inhibits growth of bacteria

Answer 12

Bacteriostatic agent

Question 13

Kills microbes quickly and inhibits others

Answer 13

Germicide

Question 14

Kills bacteria not spores

Answer 14

Bactericide

Question 15

Inactivates viruses

Answer 15

Viricide

Question 16

Kills fungi

Answer 16

Fungicide

Question 17

Lowers surface tension and makes microbes accessible

Answer 17

Soaps and detergents

Question 18

Dissolves lipids into smaller pieces and denatures proteins and inactivates enzymes (Ex: phenols, detergents, alcohol, QUATS)

Answer 18

Surfactant

Question 19

Lowers pH, denatures proteins and is used in food preservation

Answer 19

Acid

Question 20

Raise pH, denatures proteins; used in soap

Answer 20

Alkalis

Question 21

Denatures proteins; silver nitrate

Answer 21

Heavy metals

Question 22

Oxidize cell components- chlorine

Answer 22

Haloens

Question 23

Denatures proteins when water is mixed in

Answer 23

Alcohols

Question 24

Disrupts membrane, denatures proteins and inactivates enzymes

Answer 24

Phenols

Question 25

Disrupts disulfide bonds

Answer 25

Oxidizing agents

Question 26

Interferes with replication or block cell wall synthesis

Answer 26

Dyes

Question 27

Denatures proteins; oven

Answer 27

Dry heat

Question 28

Denatures proteins and kills pathogen

Answer 28

Pasteurization

Question 29

Slows enzyme metabolism

Answer 29

Refrigeration

Question 30

Greatly slows enzymes metabolism

Answer 30

Freezing

Question 31

Dehydration, inhibits enzyme metabolism

Answer 31

Freeze drying

Question 32

Denatures proteins and nucleic acids

Answer 32

UV light and Ionizing radiation

Question 33

Absorbs H2O as heat

Answer 33

Microwave

Question 34

Cause cavitation

Answer 34

Sonic waves

Question 35

Mechanically moves microbes, doesn't denature proteins

Answer 35

Filtration membrane

Question 36

Cationic detergent

Answer 36

QUATS

Question 37

(1) Capsule (2) Leukocidins

Answer 37

Virulence factors against WBCs