N2O

Question 1

What is the use of the flush valve/push button?

Answer 1

In EMERGENCY CASES
Nitrous needs to be turned off and the oxygen turned up immediately
If u it needs to be used as positive pressure resuscitator to provide artificial ventilation

Question 2

What is the purpose of the fail-safe system?

Answer 2

Prevent delivery of nitrous w/o oxygen
Doesn’t allow oxy level to drop below a certain level (2-3liters)
If oxy tank/ supply empties the entire system will shut off

Question 3

Who’s is the avg range per liter flow during he admin of n2o?

Answer 3

5-8 liters

Question 4

What position should the nose piece VENT be in during the admin of n2o?

Answer 4

CLOSED

Question 5

What position should the nose piece VALVE be in during admin of n2o?

Answer 5

OPEN

Question 6

If patient receiving too much nitrous what should you do?

Answer 6

Quickly reduce/ turn off nitrous

Level while increasing oxy

Question 7

Under what conditions may a DA assist in the admin of n2o?

Answer 7

If dentist is in:
Operatory
Chair side
Giving instructions

Question 8

Who may admin n2o?

Answer 8

Dentist & RDH who are licensed for this procedure

DA may ONLY assist

Question 9

What is the best way to reduce health hazards from nitrous oxide?

Answer 9

Use a scavenger system

Evacuates expelled gases

Question 10

What signs should the patient under correct levels of n2o demonstrate?

Answer 10

Consciousness 
Ability to respond 
Normal vital signs & pupils
Protective reflexes 
Calm

Question 11

The start and end of nitrous oxide administration is:

Answer 11

100% oxy admin

Question 12

What are the colors of the n2o tank cylinders?

Answer 12

Nitrous- BLUE

Oxygen- GREEN