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ADA NBDHE Dental Hygienist

Category - Provision of Clinical Dental Hygiene Services

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Which color code is used to designate a cylinder of nitrous oxide?

Red
White
Green
Blue

Explanation

Answer: D - The color code blue is used to designate a cylinder of nitrous oxide.
Nitrous oxide is recognized by the color blue. A cylinder of oxygen is marked with the color green.

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