Nitrous II

Question 1

Regulatory issue with nitrous tank storage.

Answer 1

Must be attached to the wall so it doesn’t fall over and go flying like a missile.

Question 2

Tank color for nitrous.

Answer 2

Blue

Question 3

Tank color for oxygen.

Answer 3

Green

Question 4

A safety features of nitrous delivery systems.

Answer 4

• Pin Index Safety System
• Diameter Index Safety System
• Thread Index Safety System
• Oxygen Fail Safe

Question 5

Safety feature in which nitrous can’t flow unless oxygen is also flowing.

Answer 5

Oxygen Fail Safe

Question 6

What do we need to be cautious about with the pressure reduction valves on the tanks?

Answer 6

That there’s no oil or grease on the valve to support combustion.

Question 7

The pressure reduction valve generates this.

Answer 7

Friction, and heat.

Question 8

Quirky thing about the pressure valve on a nitrous tank.

Answer 8

It always shows it’s full until it’s empty.

Question 9

Types of flow meters in a nitrous tank.

Answer 9

Demand or Continuous Flow

Question 10

Never allow this to happen to the reservoir bag.

Answer 10

Overinflate or Collapse

Question 11

Size of adult reservoir bag.

Answer 11

3 L

Question 12

Size of child reservoir bag.

Answer 12

1 L

Question 13

The piece of the nitrous delivery system that goes over the nose.

Answer 13

Nasal hood.

Question 14

Used to disinfect the nasal hood.

Answer 14

Glutaraldehyde

Question 15

Precautions with Nitrous

Answer 15

• Hypoxia risk
• Loss of consciousness
• Nausea/Emesis/Aspiration risk
• Bronchospasm
• Fire/explosion
• Risk management
• Infection control

Question 16

Percentage of Nitrous given to prevent diffusion hypoxia.

Answer 16

Less than or equal to 50%.

Question 17

Causes of Nitrous-Induced Hypoxia

Answer 17

1) Miscalibrated flowmeters
2) Nitrous concentration over 80%.
3) Hypoventilation
4) Diffusion Hypoxia

Question 18

Treatment for DIffusion Hypoxia

Answer 18

-Discontinue the nitrous and increase oxygen flow to 100%.

Question 19

T/F:

30-35% Nitrous may cause some people to lose consciousness.

Answer 19

True

Question 20

The risk of this increases with increasing time and/or concentration of nitrous.

Answer 20

Emesis (vomiting).

Question 21

Increased risk for emesis and aspiration after being on what % nitrous, and for how long?

Answer 21

> 30 minutes at >50% nitrous

Question 22

Time period to prevent nitrous emesis.

Answer 22

<30 minutes of exposure

Question 23

Concentration of nitrous that prevents emesis.

Answer 23

<50%

Question 24

Nitrous is not ________, but it will support combustion.

Answer 24

flammable

Question 25

Treatment for laryngospasm

Answer 25

100% positive pressure oxygen

Question 26

These phenomena are associated with nitrous use.

Answer 26

Sexual

So must always have two people of different gender in the room to administer the nitrous.