Lesson 13: Comtrol of Microorganisms

Question 1

are ubiquitous and many microorganisms are associated eith undesirable consequences

Answer 1

microbes

Question 2

microorganisms are controlled either by physical agents

Answer 2

temperature
dessication
osmotic pressure
radiation
filtration

Question 3

chemical agents

Answer 3

disinfectants
antiseptics
antibiotics
chemotherapeutic antimicrobials chemicals

Question 4

a process which an article is freed of all living microorganisms

Answer 4

sterilization

Question 5

any material that has been subjected to the above process

Answer 5

sterile

Question 6

a chemical agent that is used to perform sterilization because of their ability to destroy spores

Answer 6

sterilants

Question 7

also called a microbicide. any chemical agent that kills pathogenic microorganism

Answer 7

germicide

Question 8

use of a chemical agent that destroys pr removes all pathogenic organisms

Answer 8

disinfections

Question 9

growth of microorganisms in the body

Answer 9

sepsis

Question 10

practice the prevents the entry of infectious agents into sterile tissue

Answer 10

asepsis

Question 11

chemical agents applied directly to the exposed bodysurfaces

Answer 11

antiseptic

Question 12

cleansing technique that mechanically removes microorganisms

Answer 12

sanitization

Question 13

compound that is used to perform sanitization

Answer 13

sanitizer

Question 14

process usually involves scrubbing the skin or immersing it in chemicals

Answer 14

degerming/antisepsis

Question 15

methods of controlling microorganisms

Answer 15

sterilization
disinfection
antimicrobials

Question 16

STERILIZATION classified into;

Answer 16

physical and chemical methods

Question 17

physical methods of sterilization

Answer 17

sunlight
heat
filtration
radiations

Question 18

two types of sterilization

Answer 18

sterilization by moist heat and sterilization by dry heat

Question 19

sterilization by moist heat

Answer 19

occurs in the form of hot water, boiling water or steam

Question 20

sterilization by dry heat

Answer 20

makes use of air with a low moisture

Question 21

classification of moist heat

Answer 21

° temperature below 100°C (pasteurization)
° boiling
° pasteurization inactivates most viruses
° intermittent sterilization

Question 22

intermittent sterilization

Answer 22

to sterilize heat-sensitive culture media