Physical Methods of Bacterial Control

Question 1

Most common and cost efficient method of destroying microorganism

Answer 1

Heat

Question 2

Most human pathogen survive at around _____ degree centigrade

Answer 2

45

Question 3

Bacteria that survive at high temperature

Answer 3

Spores

Question 4

Quick way of killing microorganism

Answer 4

Direct flame

Question 5

Used for metals, glassware, and some substances such as powder or oil

Answer 5

Oven

Question 6

Subjecting the material to a high temperature that destroys them together with contaminants

Answer 6

Incineration

Question 7

Most common sterilization method used at home

Answer 7

Boiling

Question 8

Equipment that combines boiling with pressure

Answer 8

Autoclave

Question 9

Can an autoclave destroy spores?

Answer 9

Yes

Question 10

Used in the hospital for sterilization of instruments and bandages

Answer 10

Autoclave

Question 11

Slows down the microorganism but it does not kill the organisms

Answer 11

Cold

Question 12

Prolongs the shelf life of food

Answer 12

Cold

Question 13

Process where moisture is taken away so that microorganisms will dry up and stop growing

Answer 13

Desiccation

Question 14

Directly exposing microorganism to UV light

Answer 14

Radiation

Question 15

Used in the hospital to sterilize rooms

Answer 15

Radiation

Question 16

Separation of microorganisms from liquid or gasses

Answer 16

Filtration

Question 17

Substances that will kill growing forms of microorganisms that is applied to inanimate objects

Answer 17

Disinfectant

Question 18

Substances that prevent the growth or actions of microorganisms applied to the body

Answer 18

Antiseptic

Question 19

Substance that kills bacteria

Answer 19

Bactericidal

Question 20

Substance that only inhibits bacteria growth

Answer 20

Bacteriostatic