The answers come from
Anesthesia & You... Anesthesia for Ambulatory Surgery, an informational document prepared by the American Society of Anesthesiologists through the cooperative efforts of the Societyís Committees on Communications and the Committee on Ambulatory Surgical Care.

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What is ambulatory anesthesia?
How will I meet my anesthesiologist?
What types of anesthesia are available?
What about eating or drinking before my anesthesia?
Will I need someone to take me home?
Should I take my usual medicines?
What should I wear?
What happens before my surgery?
What happens during my surgery?
What can I expect after the operation until I go home?
Will I have any side effects?
When will I be able to go home?
What instructions will I receive?
During the recovery at home, what can I expect?