chapter 8,9

Question 1

hand washing in the decontamination area should be

Answer 1

a sink dedicated to hand hygiene in the decontamination area

Question 2

transeophagael echocardiology probes are classified as

Answer 2

semi critical because they come in contact with intact mucous membranes

Question 3

to prevent aerosolization

Answer 3

items should be brushed below the surface of the water

Question 4

detergents used in mechanical cleaners should be

Answer 4

low foaming

Question 5

what is the preferred pH for detergents used for most cleaning processes

Answer 5

neutral

Question 6

which of the following statements about the use of washer disinfectors is not true

Answer 6

all items should be washed in the same cycle

Question 7

water must be degassed each time an ultrasonic cleaners tank is changed because excess bubbles

Answer 7

reduce the energy of the cavitation process

Question 8

written cleaning instructions for surgical instruments should be provided by the

Answer 8

device manufacturer

Question 9

floors and walls in the decontamination area should be

Answer 9

constructed of particulate materials

Question 10

untreated water

Answer 10

increases the likelihood of mineral scale deposits

Question 11

these are used to breakdown fatty deposits on instruments

Answer 11

lipase enzymes

Question 12

instrument lubrication is performed

Answer 12

after cleaning

Question 13

to prevent coagulation of proteins, instruments should be pre-rinsed using

Answer 13

cool water

Question 14

detergents used in mechanical cleaners should be

Answer 14

low foaming

Question 15

during manual cleaning , instruments should be brushednusing a

Answer 15

to and fro motion

Question 16

powered surgical instruments

Answer 16

cannot be immersed

Question 17

the decontamination area should have

Answer 17

negative airflow in relation to the other areas of the department

Question 18

ultrasonic irrigators are used to

Answer 18

clean devices with lumens

Question 19

rigid container filter retention plates should be

Answer 19

removed from the container and lid and cleaned separately

Question 20

the use of heat to kill all microorganisms except spores

Answer 20

thermal disinfection

Question 21

a chemical that kills most pathogenic organisms but does not kill spores

Answer 21

disinfectant

Question 22

a solution that inhibits the growth of bacteria , usually used topically and only on animagte living objects

Answer 22

antisptics

Question 23

the length of time an item must remain in wet contact with a disinfectant

Answer 23

wet contact time

Question 24

the destruction of nearly all pathogenic microorganisms on an inanimate surface

Answer 24

disinfection

Question 25

relatating to the destruction of bacteria

Answer 25

bactericidal

Question 26

the frequency with which the concentration level of OPA or other high level disinfectant must be tested

Answer 26

each use

Question 27

a process by which all microbial life are destroyed

Answer 27

sterilization

Question 28

minimum effective concentration MEC testing is required when using this disinfectant

Answer 28

ortho-phthalaldehye (OPA)

Question 29

when manually disinfecting lumens care should be taken to ensure there are no present inside the lumen

Answer 29

air bubbles

Question 30

this low level disinfectant is incompatible with soap

Answer 30

quaternary ammonium compund

Question 31

when working with glutaraldehyde technicians should always wear

Answer 31

nitrile gloves

Question 32

how are items that have undergone high level disinfection dried

Answer 32

with HEPA filtered air

Question 33

in a washer disinfector, the key source of disinfection is

Answer 33

water temperature

Question 34

the use of test strips to test the minimum effective concentration (MEC) in HLD solutions is required

Answer 34

each time the solution will be used

Question 35

items introduced directly into the bloodstream or other normally sterile areas of the body are classified as

Answer 35

critical items

Question 36

iodophors are a member of which chemical family

Answer 36

halogens

Question 37

phenolics are classified as

Answer 37

low-to intermidiate-level disinfectnats

Question 38

which of the following are classified as high level disinfectants

Answer 38

glutaralhydes and OPA

Question 39

thermal disinfection is accomplished using

Answer 39

heat

Question 40

how long must alcohol remain wet contact with an item to achieve a reasonable level of disinfection

Answer 40

5-10 minutes

Question 41

which of the following chemicals would be the best choice for HLD of instruments

Answer 41

OPA