Question

Except for the vagus nerves what general area of the body do the cranial nerves serve

Answer 1

The general area of the body that the cranial nerves serve are the HEAD AND NECK organs. 
Here are the list of the 12 Cranial nerves together with its function.

Number       Name                           Function
I                     Olfactory Nerve         Smell
II                    Optic Nerve                 Vision
III                   Oculomotor Nerve    Eye movement; pupil constriction
IV                  Trochlear Nerve         Eye movement
V                   Trigeminal Nerve       Somatosensory information (touch, pain) from the face and                                                                    head; muscles for chewing.
VI                  Abducens Nerve       Eye movement
VII                 Facial Nerve               Taste (anterior 2/3 of tongue); somatosensory information from                                                               ear; controls muscles used in facial expression.
VIII                Vestibulocochlear Nerve       Hearing; balance
IX                 Glossopharyngeal Nerve       Taste (posterior 1/3 of tongue); Somatosensory                                                                                          information from tongue, tonsil, pharynx; controls some                                                                            muscles used in swallowing.
X                   Vagus Nerve                Sensory, motor and autonomic functions of viscera (glands,                                                                    digestion, heart rate)
XI                  Spinal Accessory Nerve         Controls muscles used in head movement.
XII                 Hypoglossal Nerve       Controls muscles of tongue