Yes. If you have a general anesthetic, you will have an IV started for administration of medications and fluid replacement,
many oral surgeons offer IV conscious sedation as well as general anesthesia for their patients undergoing the removal of wisdom teeth.
Usually IV sedation. Discuss your particular circumstances with your surgeon for more specific answers and the options regarding local anesthesia, with or without "sweet air", or IV sedation. General anesthesia is seldom used anymore for the removal of wisdom teeth.