Ch.10 Preparation for Surgery: Decision Making/Operative Risk, Patient, Facility, Operating Team

Question 1

Number 1 risk factor for increased morbidity and mortality

Answer 1

Procedural duration

Question 2

Target patient prep time

Answer 2

30 mins

Question 3

Aim for duration of procedure including prep time

Answer 3

60mins

Question 4

Protocol for horse unvaccinated for tetanus

Answer 4

Tet antitoxin in one site
Initial dose of priming series in another site

2nd dose 4-6 weeks later

Immunoglobulins attained within 14 days of 2nd vaccine

Postpone non emergency sx until after 2nd vaccine

Question 5

What increase from baseline in creatinine indicates risk fro acute kidney injury

Answer 5

1.5 times from baseline even if still in range

Question 6

Failure to comply with basic principles of asepsis leads to what increase in SSI

Answer 6

3.54

Question 7

Minimum size of surgery suite

Answer 7

50m2

Question 8

3 ways to minimize airborne microorgs

Answer 8

1. Filtration
2. Dilution
3. Prevent entry

Question 9

How many air exchanges per hour if recirculated

Answer 9

25

Question 10

How many air changes per hour if air is exhausted to outside

Answer 10

15

Question 11

Light intensity in surgery suite should be

Answer 11

At least 1000 Lux

Question 12

Bacteria most commonly shed from human hair

Answer 12

Staph aureus

Question 13

Reusable scrun caps should be disposed of after how many wears/washes

Answer 13

75

Question 14

How thick are sx gloves

Answer 14

0.17 - 0.3mm

exam gloves are 0.1 - 0.18mm

Question 15

What glove material offers the best protection against bloodborne pathogens

Answer 15

Natural rubber latex

Question 16

Most elastic and tatile gloves

Answer 16

Natural rubber latex

Question 17

Morbidities associated with powdered gloves

Answer 17

Alters wound healing
Promotes infection
Peritoneal adhesions
Cornstarch granulomas

Question 18

Unnoticed glove puncture frequency

Answer 18

Up to 80% of used gloves

Question 19

% of gloves with punctures before use

Answer 19

1.5%

Question 20

By the end of an equine surgery what % of gloves have punctures

Answer 20

27%
Double glove - 16-67% outer
8-30% inner

Question 21

Most common location for glove defects

Answer 21

Index finger of non dominant hand

Question 22

How often should gloves be changed in long procedures

Answer 22

60/90 mins

Question 23

How much thicker are ortho gloves such as Encore Latex Ortho

Answer 23

20-30%

Question 24

Bacteria associated with sx shoes

Answer 24

Coag neg staphlococci

Question 25

Are powdered gloves banned by FDA

Answer 25

Yes by FDA since 2017

Question 26

Increased bacteria count how many days after nail polish application

Answer 26

4 days

Question 27

Bacteria associated with false nails

Answer 27

G-

E.coli

Question 28

MRSA on mibile phones

Answer 28

40%

Question 29

MRSA stethscopes

Answer 29

42%

Question 30

Bacterial regrowth to baseline on gloved hands post AHR use takes how long

Answer 30

6 hours

Question 31

What % CHX should be used on patient skin

Answer 31

No less than 2% for proper bactericidal activity

Question 32

How long should contact time be on sx site

Answer 32

3-5 mins