What's another term often used for an advance directive??

Which structures are not anesthetized by the P-ASA nerve block?

A) Facial and palatal soft and hard tissues associated with the teeth and the pulps of the teeth canine to canine B) Structures anesthetized by right and left MSA nerve blocks C) Structures innervated by theright and leftnasopalatinenerves D) Structures innervated by theright and leftanterior branches of the ASA nerves

Which statement best describes the needle pathway for a P-ASA nerve block?

A) Advance needle to a depth of 6 to 10 mm in the center of the canal B) Advance needle to a depth of 4 to 6 mm within the canal C) Advance needle parallel to the long axis of the central incisors to a depth of 6 to 10 mm into the canal D) Using the wall of the canal as a guide, advance needle parallel to the long axis of the central incisors to depth of 6 to 10 mm into the canal