Micro Chapter 9 & 10

Front 1

_________ is most closely associated with beta-lactam ring

Back 1

penicillin

Front 2

__________ eliminates organisms in their spores or endospores

Back 2

sterilization

Front 3

__________ is an environment or procedure that is free of contamination by pathogen

Back 3

A septic

Front 4

__________ The permanent loss of reproductive capacity

Back 4

microbial death

Front 5

___________ produces ions that denature important molecules and kills cells

Back 5

Ionizing radiation

Front 6

A sample of E. coli has been subjected to heat for a specific time and 90% of the cells have been destroyed which of the following terms best describes this event

Back 6

decimal reduction time

Front 7

antimicrobial methods involving drying are

Back 7

desiccation

Front 8

Biosafety level III includes

Back 8

double sets of entry doors

Front 9

blank is the time required to destroy 90% of the microbes in a sample

Back 9

decimal reduction time

Front 10

define Lyophilization

Back 10

freeze drying

Front 11

diffusion and dilution test that expose pathogens to antimicrobials are designed to

Back 11

determine which drug is most effective against a particular pathogen and they also determine the amount of a drug to use against the particular passage

Front 12

disinfecting of cafeteria plates best describes what term?

Back 12

sanitation

Front 13

drugs that act against protein synthesis include

Back 13

polymyxin

Front 14

in a Kirby bauer susceptibility test the presence of the zone of inhabitation around discontinued antimicrobial agents indicate

Back 14

at the microbe does not grow in the presence of the agents

Front 15

killing of microorganisms on the skin or tissue by the use of a chemical it

Back 15

antiseptic

Front 16

measures the efficiency of an antimicrobial agent

Back 16

microbial death rate

Front 17

multiple drug-resistant microbes

Back 17

frequently develop in hospital

Front 18

name three true statements concerning the selection of an antimicrobial agent

Back 18

an ideal antimicrobial agent is stable during storage an ideal microbial agent is fast acting and ideal microbial agents do not exist

Front 19

PABA is

Back 19

used to synthesize folic acid

Front 20

resistance to one antimicrobial agent because of its similarity to another in time microbial agent is what

Back 20

cross resistant

Front 21

resistant to three or more types of antimicrobial drugs

Back 21

multiple drug-resistant pathogen

Front 22

The company that manufactures little and antimicrobial cleaner for kitchen counters claims that its product is effective when used in 50% water solution by what means might scientist best verify this statement

Back 22

in-use test

Front 23

The endospores of which organism are used as a biological indicator of sterilization

Back 23

bacillus stearothermophilus

Front 24

The inhabitation or killing of microorganisms

Back 24

antisepsis

Front 25

The key to successful chemotherapy is

Back 25

selective toxicity

Front 26

The microbial death rate is used to measure

Back 26

The efficiency of a detergent the efficiency of an antiseptic and the efficiency of sanitation techniques

Front 27

The preservation of beef jerky for microbial growth relies on which method of microbial control

Back 27

desiccation

Front 28

The process using heat to kill pathogens control microbes that cause *spoilage of food and beverage

Back 28

pasteurization

Front 29

The reduction of a prescribed number of pathogens from surfaces and utensils and public settings

Back 29

sanitation

Front 30

The removal of microbes from a surface face scrub

Back 30

degerming

Front 31

The suffixes -cide and -cidal indicate that

Back 31

The agent kills or permanently and activates a particular type of microbe

Front 32

The suffixes stasis and static and did Kate that a antimicrobial agent

Back 32

inhibits microbes

Front 33

this uses steam heat under pressure to sterilize chemicals and objects that can tolerate moist heat

Back 33

autoclave

Front 34

true or false macrolide drugs block attachment sites on the host cell wall and prevent viruses from entering

Back 34

False

Front 35

what are high-level disinfectants that cross-link organic functional groups and proteins and nucleic acid

Back 35

aldehydes

Front 36

what describes the interplay between drugs that results efficacy that exceeds the efficiency of either drug alone

Back 36

synergism

Front 37

what disinfectant acts against cell membranes

Back 37

phenol

Front 38

what disinfectant contains alcohol

Back 38

a tincture of bromine

Front 39

what is relevant in explaining why sulfonamides are affective

Back 39

humans in microbes use PABA differently in their metabolism

Front 40

what is the lowest temperature that kills all cells in a broth in 10 minutes

Back 40

thermal death point

Front 41

what is the time it takes to complete please sterilizer particular volume of liquid at a set temperature

Back 41

thermal death time

Front 42

what substance would most effectively inhibit anaerobes

Back 42

hydrogen peroxide

Front 43

what substances or processes kill microorganisms on laboratory services

Back 43

disinfectant

Front 44

which antimicrobial chemical has been used to sterilize spacecraft

Back 44

ethylene oxide

Front 45

which chemicals is active against bacterial endospores

Back 45

ethylene oxide

Front 46

which class of surfactant is most soluble in water

Back 46

coronary ammonium compound

Front 47

which item functions most like an autoclave?

Back 47

A pressure cooker

Front 48

which of the following adjectives best describes the surgical procedure that is free of microbial contaminants

Back 48

A septic

Front 49

which of the following substances is least toxic to humans

Back 49

hydrogen peroxide

Front 50

which type of radiation is more widely used as an antimicrobial technique

Back 50

electron beams