Surgical asepsis & instrument sterilization

Question 1

Sterilization

Answer 1

killing all microbes (bacteria, spore, virus, fungi) done on inanimate objects (ex. autoclave, EtO)–> kill everything

Question 2

Disinfection/ Disinfectants

Answer 2

reduce # of microbes used on surfaces; does not kill spores! (ex. bleach, alcohols, quaternary ammoniums)

Question 3

Antiseptic

Answer 3

reduce microbe amount- used on skin (ex. chlorohexidine, iodine & alcohol)

Question 4

Asepsis or Aseptic technique

Answer 4

absence of microbe or technique that maintains sterility.

Question 5

Of the two surgeon skin preps which is preferred?

Answer 5

alcohol- based due to increased compliance, but there is no difference between both; except iodine not effective.

Question 6

Why is it important to rinse instruments afterward to remove detergents?

Answer 6

Residues can cause toxicity in next pt.

Question 7

If a pack is wet after autoclaving, is it sterile?

Answer 7

No

Question 8

What are two low temperature options for sterilization?

Answer 8

Ethylene oxide (hazards) & hydrogen peroxide plasma

Question 9

Where should sterile indicator be placed?

Answer 9

place in difficult location to sterilize (inside pack)

Question 10

What is the standard wrapping material type?

Answer 10

non-woven polypropylene that is nonpermeable and can be sterilized in any method (steam, EtO & H202 plasma)