Sterilization

Question 1

T/F: Ebola is transmitted through the air.

Answer 1

False

Question 2

T/F: Ebola can be killed by alcohol hand sanitizer and disinfectant.

Answer 2

True

Question 3

T/F: Hepatitis B is often transmitted to and from healthcare workers.

Answer 3

True

Question 4

_________ items come into contact with tissue or the vascular system.

Answer 4

Critical

Ex. surgical instruments

Question 5

____________ items come into contact with mucous membranes or non-intact skin.

Answer 5

Semi-critical

Ex. Curing lights

Question 6

___________ items touch skin.

Answer 6

Noncritical

BP cuff

Question 7

T/F: Sterilization is used on humans.

Answer 7

False

Only inanimate objects

Question 8

T/F: Disinfectants are regulated by both the EPA and FDA.

Answer 8

True

Question 9

Disinfectants used on noncritical surfaces is regulated by the _____.

Answer 9

EPA

Question 10

Chemical sterilants used for semi critical devices is regulated by the ______.

Answer 10

FDA

Question 11

____________ are used to destroy pathogens on human tissues.

Answer 11

Antiseptics

Question 12

Antiseptics are regulated by the ______.

Answer 12

FDA

Question 13

What is the difference between high, intermediate, and low level disinfection?

Answer 13

High - destroys all microorganisms (not spores)

Intermediate - inactivates most bacteria including mycobacterium tuberculosis

Low - kills most bacteria and some viruses, does not kill mycobacterium tuberculosis

Question 14

T/F: Critical items must be sterilized.

Answer 14

True

Question 15

What level of disinfection is required for semicritical items?

Answer 15

High or intermediate level

Question 16

T/F: Low-level disinfectant is sufficient for noncritical items.

Answer 16

True

Question 17

What are the three methods of heat sterilization?

Answer 17

1. Saturated steam under pressure
2. Dry heat
3. Unsaturated chemical vapor

Question 18

What is the most common form of steam sterilization?

Answer 18

Autoclave

Question 19

What is the advantage to dry heat sterilization?

Answer 19

Does not corrode or dull cutting edges

But long cycle

Question 20

What is the advantage for rapid heat transfer sterilization?

Answer 20

Short cycle, dry at end, does not corrode or dull

Question 21

T/F: Chemically treated tapes and heat sensitive strips ensure adequacy of sterilization cycle.

Answer 21

False

Only ensure its been through a sterilization cycle

Question 22

What type of monitoring provides the best guarantee of sterilization?

Answer 22

Biological monitoring

Glass vials or strips with spores

Question 23

T/F: Chemical sterilants are good to use in place of heat.

Answer 23

FALSE

Only when heat is inappropriate

Question 24

What chemical sterilant is CDC and ADA acceptable?

Answer 24

Ethylene oxide

Question 25

T/F: Glutaraldehydes are EPA registered as chemical sterilants.

Answer 25

True

Question 26

What is the most potent chemical germicide?

Answer 26

Glutaraldehyde

Question 27

T/F: Glass bead sterilizer is FDA approved.

Answer 27

FALSE

Question 28

__________ are commonly used disinfectants that are EPA registered.

Answer 28

Chlorine-containing compounds

Question 29

Rate disinfectants from high to low level.

Answer 29

1. Chlorine-containing compounds
2. Quaternary ammonium-alcohol combo (CaviWipes)
3. Phenols
4. Iodine
5. Alcohols
6. Hydrogen peroxide
7. Detergents

Question 30

T/F: Smaller diameter water lines are more prone to biofilm formation.

Answer 30

True

Question 31

T/F: If hands are not visibly soiled, alcohol-based hand rub is good for antisepsis.

Answer 31

True