Which of the Following Statements Are True of Spinal Nerves

Which of the following statements are true of spinal nerves (Select all that apply) ?

A) Each spinal nerve has a dorsal,or motor,root and a ventral,or sensory,root.
B) Most spinal nerves are mixed nerves.
C) The phrenic nerves are motor to the diaphragm.
D) The sciatic nerve supplies the thumb side of the hand.
E) A dorsal root ganglion consists of the cell bodies of motor neurons.
F) The pairs of spinal nerves are 8 cervical,12 thoracic,5 lumbar,5 sacral,and one coccygeal.