Multiple Choice
Which of the following must be used to protect dental personnel from the occupational risks of nitrous oxide by reducing the N₂O released into the treatment room?
A) Vacuum system
B) Scavenger system
C) Patient mask that fits well and does not leak
D) Both b and c
Correct Answer:

Verified
Correct Answer:
Verified
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Q13: The condition in which numbness remains after
Q14: The agents that provide a temporary numbing
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