MTAP CHAP 4

Question 1

the scientific use of disinfection and sterilization method originated more than 100 yrs ago when ___ introduced the concept of aseptic surgery

Answer 1

joseph lister - using carbolic acid now called phenol

Question 2

refers to the destruction of all forms of life, including bacterial spores

Answer 2

sterilization

Question 3

refers to a process that eliminates a defined scope of microorganism

Answer 3

disinfection

Question 4

a substance applied to a living tissue for the purpose of eliminating or reducing the number of bacteria present is called as

Answer 4

antiseptic

Question 5

disinfection, sterilization, antiseptic

which one do not kill spores

Answer 5

antiseptic

Question 6

microorganisms living together in communities, referred to as _____ also provide protection to the microorganisms against chemical and physical means of destruction

Answer 6

biofilm,

Question 7

the organisms known today to be the most resistant to the actions of heat, chemicals, and radiations are called

Answer 7

prions

Question 8

are small, naked infectious proteins

Answer 8

prions

Question 9

total number of organisms present referred to as q

Answer 9

microbial load or bioburden

Question 10

arrange the microorganism based on their the most resistant to least resistant

Answer 10

“Pabebe Bossing May Nonliligaw na Fungi, Binalewala Lang.**”

prions
bacterial spores
mycobacteria
non lipid viruses
fungi
bacteria
lipid viruses

Question 11

due to its reliable effects, ease of use and economy, _____ is the most common method used for the elimination of microorganisms

Answer 11

heat

Question 12

in autoclaving, what is the only component that is not being killed or destroyed during the process

Answer 12

prions

Question 13

is the sterilization method of choice for heat-stable objects

Answer 13

moist heat

Question 14

this method is used for heat-stable substances that are not penetrated by most heat such as oils

Answer 14

dry heat

Question 15

is commonly used to sterilized glassware

Answer 15

dry heat

Question 16

heat method that can achieve disinfection but not sterilkization, there methods do not eliminate spores

Answer 16

heat methods

boiling and pasteurization

Question 17

heat method that is used commonly in the food industry, reduces food borne pathogens and organisms responsible for food spoilage

Answer 17

pasteurization

Question 18

batch method of pasterurization time and temp

Answer 18

63*C for 30 seconds

Question 19

flash method of pasterurization time and temp

Answer 19

15 seconds 72*C

Question 20

boiling time and temp

Answer 20

100*C for 15 mns

Question 21

the physical method that can be used with both liquid and air

Answer 21

filtration

Question 22

a pore size for critical sterilizing tru fertilization

Answer 22

0.22 um

Question 23

the most common application of this method is the sterilization of heat-sensitive solutions such as parenteral solutions, vaccines, and antimicrobial solutions

Answer 23

filtration

Question 24

filtration of air is accomplished with the use of

Answer 24

HEPA or high efficiency particulate air filters q

Question 25

in the form of gamma rays or electron beams, is of short wavelength and high energy

Answer 25

ionizing radiation

Question 26

this method of sterilization is used by the medical field for the sterilization of heat-sensitive disposable supplies such as syringes, catheters, and gloves

Answer 26

ionizing radiation

Question 27

all chemical disinfectants are regulated by

Answer 27

EPA - environmental protection agency