Week 1

Question 1

Minimal thickness for a gas cylinder?

Answer 1

0.26 inches

Question 2

What is the E cylinder oxygen capacity?

Answer 2

660 Liters

Question 3

What is the E cylinder nitrous oxide capacity?

Answer 3

1590 Liters

Question 4

A Fusible plug offers protection from what?

Answer 4

excessive pressure resulting from high temperature (NOT FROM OVERFILLING!)

Question 5

What does a rupture disc protect against?

Answer 5

excess pressure from high temperature and/or overfilling

Question 6

How often must cylinders be inspected?

Answer 6

Every 5 years

Question 7

Safety systems that help avoid incorrect gas connections include what?

Answer 7

Color coding, pin indexing, and diameter indexing

Question 8

What pressure level requires changing in oxygen?

Answer 8

1000 psi

Question 9

What is the full cylinder pressure for oxygen?

Answer 9

2200 psi

Question 10

What is the full cylinder pressure for air?

Answer 10

2200 psi

Question 11

What is the full cylinder pressure for nitrous?

Answer 11

745-750 psi

Question 12

What are pipelines used to deliver?

Answer 12

nonflammable gases such as oxygen, nitrous oxide, air, carbon dioxide, and nitrogen

Question 13

In what ways can oxygen be stored? (central supply or pipeline stores)

Answer 13

cryogenic liquid at low pressures or as compressed gas in cylinders

Question 14

What is the most common contaminant of medical gas lines?

Answer 14

Water

Question 15

Purity of medical gases are specified in 1.______ and enforced by 2. ______. (2 separate entities)

Answer 15

1. the US Pharmacopoeia

2. the FDA

Question 16

What institutions have published standards regarding cylinders?

Answer 16

Department of Transportation (DOT), National Fire Protection Association, and Compressed Gas Association

Question 17

What is the most common cause of a leak in new cylinders?

Answer 17

A missing or defective washer

Question 18

What system do pipelines and anesthesia machines use to help prevent incorrect connections?

Answer 18

DISS (diameter indexed safety system) - each fitting is internally keyed

Question 19

Cylinder gas is reduced to what level psi upon entering the anesthesia machine?

Answer 19

50 psi

Question 20

What are the hazards in pipeline systems?

Answer 20

Leaks, fires, and cross-connections

Question 21

Pipeline alarms indicate if the pressure increases or decreases by what percent?

Answer 21

20% from normal

Question 22

What two things must be ensured before turning off a medical gas valve?

Answer 22

There must be an emergency, and you are sure of the area being isolated. (messing this up can get your patients killed)

Question 23

Who is the only person authorized to operate the shut off valve from medical gas?

Answer 23

Charge nurses

Question 24

Medical Gas systems alarms can be audible, ____, or _____.

Answer 24

visible or both

Question 25

Cylinders are mostly made out of what two types of metal currently?

Answer 25

Aluminum and traditional steel