Side effects of Nitrous oxide

 # Which of the following side effects is seen commonly with the administration of nitrous dioxide and oxygen?
A. Hallucinations and dreams
B. Tachycardia
C. Tremors
D. Nausea

The correct answer is D. Nausea.

Nitrous oxide:
■ “Laughing gas.”
■ Minimum 30% O2 delivery.
■ Potent analgesic.
■ Weak general anesthetic.
■ No biotransformation.
■ Side effects: Headaches, nausea/vomiting, lethargy, and diffusion hypoxia.

Reference: First Aid for NBDE Part 2, 2008, Page no 92

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