Safety in OR

Question 1

Disinfectant bleach solution ratio

Answer 1

1:10 Bleach solution

Question 2

Disinfectant alcohol percent

Answer 2

70% isopropyl alcohol

Question 3

Length of wet time for HIV-1 disinfectant

Answer 3

30s

Question 4

Length of wet time for HBV disinfectant

Answer 4

10 minutes

Question 5

Minimum air exchanges requirement

Answer 5

20 air exchanges/hour

Minimum 4 which must be fresh

Question 6

Air exchange

Answer 6

air derived directly from outside to avoid air contaminated from other parts of hospital

Question 7

Air inlet near _____ and exhaust near _____

Answer 7

inlet near ceiling

exhaust near ceiling

Question 8

Humidity should be maintained at ____

Answer 8

50-65%

Question 9

Most ORs are _______pressure

Answer 9

positive

Question 10

Regulates purity of cylinders

Answer 10

NGA: pharmocopeia of the US

Question 11

Regulates storage/transportation of compressed gas

Answer 11

US DOT

Question 12

Cylinders are inspected every _____

Answer 12

10 years

Question 13

OSHA recommended exposure level of MMA

Answer 13

100 ppm in 8 hours

Question 14

Macroshock - pain sensed at

Answer 14

> 5mA (maximal harmless current)

Question 15

Microshock enters through?

Answer 15

pacing wires, central line

Question 16

Vfib can be induced with ______

Answer 16

100 microamps

0.1mA

Question 17

Difference between macroshock and microshock

Answer 17

macro - electricity enters/exits thru skin

micro - electricity directly to myocardium

Question 18

Goal of X-ray exposure

Answer 18

ALARA - as low as reasonably achievable

Question 19

Standards for manufacture/delivery of compressed gases

Answer 19

Compressed Gas Association

Question 20

Publishes standards for use of only nonflammable agents in OR

Answer 20

National Fire Prevention Association (NGA)

Question 21

Standard for healthcare facilities for pipeline gas sources and electrical supply to OR

Answer 21

NFPA 99

Question 22

Defines operating room standards

Answer 22

Life Safety Code

Question 23

Notify FDA if death/injury occurs with equipment

Answer 23

Safe Medical Devices Act of 1990

Question 24

CDC provides _____ for infection transmission and prevention

Answer 24

recommendations

NOT regulations

Question 25

1 ppm is how many parts?

Answer 25

1% of 1,000,000 (of means multiply) | 10,000 parts

Question 26

N2O allowable standard

Answer 26

25ppm (8hr time weighted average)

Question 27

Halogenated agents - allowable standard

Answer 27

2ppm over 1hour

Question 28

Halogenated agent with N2O (25ppm)- allowable standard

Answer 28

0.5 ppm over 1 hour

Question 29

Who is in charge of sampling air and how often?

Answer 29

Hospital Biomed q 3-6months

Question 30

Macroshock first sensed at

Answer 30

1 milliamp

Question 31

Unable to "let go" (macroshock)

Answer 31

10-20 mA

Question 32

Loss of consciousness from macroshock

Answer 32

50 mA

Question 33

Macroshock amount that threatens the heart/respiratory centers

Answer 33

> 6000 mA

Question 34

Why does microshock require much less current?

Answer 34

Bypasses skins high resistance

Question 35

Exposure from x-rays is minimal beyond

Answer 35

36 inches

Question 36

Minimum recommended distance from X-ray source is _____

Answer 36

6 feet

Question 37

Where is the force of the MRI field greatest?

Answer 37

Center of scanner ("bore")

Question 38

as the distance to the bore ______, the force of the field increases ______

Answer 38

decreases, increases exponentially

Question 39

who should not be in room of MRI?

Answer 39

Pregnant providers, morbidly obese patients (hyperthermia), infants (hypothermia)

Question 40

effect on capnography in MRI

Answer 40

prolonged upstroke and decreased value

Question 41

inert gases escape MRI intentionally or unintentionally

Answer 41

Quench

Question 42

immediate danger of quench gone wrong

Answer 42

asphyxiation/frost bite

Question 43

What to do if quench occurs and goes wrong

Answer 43

evacuate