Which of the following is comprised of anterior rami from C5-T1?

A ganglion is a _________.

The tendon reflex is the inhibition of a muscle's contraction that occurs when its tendon is excessively stretched.

The posterior divisions of all three

trunks merge to form the posterior cord.

Nerve fibers are insulated from one another by _________. 

The primary function of muscle spindles is to sense sudden stretching of the muscles. 

The bundle of nerve roots that occupy the vertebral canal from L2 to S5 is called the _________.

Which nerve does not emerge from the spinal cord