Violation

When used for conscious sedation, nitrous oxide may 1. produce signs of inherent myocardial depression. 2. produce an indirect sympathomimetic action. 3. cause the patient to sweat. 4. produce numbness of the extremities

(2) and (4)

(1) (2) (3)

(1) and (3)

(4) only

All of the above.

Please describe the matter of abuse