Which of the following nerves should be anesthetized for extraction of a maxillary lateral incisor?
1. Nasociliary.
2. Nasopalatine.
3. Sphenopalatine.
4. Anterior superior alveolar

(2) and (4)

(3) and (4)

(2) (3) (4)

(1) (3) (4)

(1) and (2)