Medical Asepsis

Question 1

medical asepsis

Answer 1

Reduce the number and spread of microorganisms

Question 2

surgical asepsis

Answer 2

Removal of microorganisms and their spores from the surface of an object

Question 3

two step process surgical asepsis

Answer 3

Cleaning with principles of med asepsis

Sterilization process

Question 4

when is surgical asepsis used

Answer 4

any invasive procedure

Question 5

3 zones OR

Answer 5

1: unrestricted zone (street clothing)
2: semi-restricted (scrubs, hair, shoe covers)
3: restricted zone (2 + masks)

Question 6

t/f if entering zone 2, must enter dressing area, don a scrub and tuck the top into the pants

Answer 6

true

Question 7

t/f zone 3 requires a single, high-filtration mask to be worn

Answer 7

true

Question 8

t/f diagnostic imaging is often done before during and after a surgical procedure

Answer 8

true

Question 9

4 most common causes of contamination

Answer 9

• instruments
• gloves
• wet/damp sterile field
• microorganisms blown onto

Question 10

disinfection

Answer 10

as many microorganisms as possible eliminated from surfaces (physical/chemical)

Question 11

t/f spores are destroyed with disinfection

Answer 11

false

Question 12

sterilization

Answer 12

removal of microorganisms AND spores

Question 13

disinfection categories (3)

Answer 13

high level
intermediate level
low level

Question 14

sterilization categories (3)

Answer 14

critical
semi-critical
non-critical

Question 15

antiseptic

Answer 15

removes microorganisms on the skin (disinfectant for skin)

Question 16

5 rules surgical asepsis

Answer 16

keep separate
if questionable = unsterile
wet/damp = unsterile
lid face UP when pouring

Question 17

person considered sterile when

Answer 17

clothed in sterile gown + gloved

Question 18

only parts of sterile gown considered sterile

Answer 18

areas from waist to shoulders

sleeves from 2” above elbow to cuff

Question 19

t/f cuffs of gown are sterile

Answer 19

false

Question 20

how should people pass each other to maintain sterility

Answer 20

back to back

Question 21

what must you do before opening a sterile pack (2)

Answer 21

check expiration date

condition of the pack

Question 22

steps for opening sterile pack (4)

Answer 22

1. sealed end towards you
2. first corner back and away
3. 2 sided corners
4. last corner towards you

Question 23

passing a sterile object to a sterile person (4)

Answer 23

after opening sterile tray:

1. grasp underside of wrapper
2. edges fall over hands
3. hold forward to sterile person AWAY from sterile field
4. never reach over sterile field

Question 24

t/f

open sterile gown/towel pack BEFORE beginning surgical scrub

Answer 24

true

Question 25

what are the two types of sterile gloving?

Answer 25

open and closed

Question 26

t/f the closed method is more practical for sonographers when sterile gloving

Answer 26

false

Question 27

what hand do you glove first

Answer 27

dominant

Question 28

what are the two aspects of skin prep for a sterile procedure

Answer 28

mechanical (rubbing)

chemical (antiseptic)

Question 29

how to scrub area of skin to be disinfected

Answer 29

centre of the area in outward circular motion