Question : Which among the following gases is used as an anaesthetic in dental surgery?
Option 1: Nitrous oxide
Option 2: Radon
Option 3: Argon
Option 4: Helium
Correct Answer: Nitrous oxide
Solution : The correct option is Nitrous oxide.
Nitrous oxide is commonly used as an anaesthetic in dental surgery. It is a colourless and odourless gas that, when inhaled, produces analgesic (pain-relieving) and anaesthetic effects, making it suitable for various medical and dental procedures, including minor dental surgeries and treatments.
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