Author Question: To ensure safe usage of nitrous oxide for dental personnel, the chairside personnel exposed to ... (Read 133 times)

penguins · **on:** Jun 25, 2018

To ensure safe usage of nitrous oxide for dental personnel, the chairside personnel exposed to nitrous oxide should be checked ________ a year.
a. once
b. twice
c. four times
d. twelve times

Question 2

To recheck your film positioning, the dot on the film is to be towards the occlusal/incisal surface.
a. True
b. False
Indicate whether the statement is true or false

CharlieArnold · **Reply #1 on:** Jun 25, 2018

Answer to Question 1

b
RATIONALE: To ensure safe usage of nitrous oxide for dental personnel, the chairside personnel exposed to nitrous oxide should be checked twice a year.

Answer to Question 2

True
RATIONALE: To recheck your film positioning, the dot on the film is to be towards the occlusal/incisal surface.