Exam 17: The Spinal Cord and the Spinal Nerves

Which peripheral nerves are responsible for cutaneous sensation from the skin of the anterior abdominal wall as well as motor innervation to anterior abdominal wall muscles?

The epidural space found between the dura mater and the wall of the vertebral canal contains a protective cushion of fat and connective tissue.

The structure(s) indicated by the lines is/are the _____

From which plexus does the axillary nerve arise?

The meninx indicated by the line is the _____.

Which of the following is NOT a correct description of the location of the brachial plexus?

Motor impulses that help maintain muscle tone and posture are conveyed from the brain through the spinal cord by the:

Select the muscle(s) served by the inferior gluteal nerve.

The spinal cord is protected by which of the following?

Select the structure(s) served by the radial nerve.

Complete anesthesia of a dermatome typically requires blocking of only one pair of spinal nerves because there is never overlap between neighboring dermatomes.

Which of the following is NOT a branch of a spinal nerve?

A dermatome is an area of skin that provides sensory input to the CNS via one pair of spinal nerves or the trigeminal (V) nerve.

The white matter of the spinal cord:

Motor neurons that supply skeletal muscles have cell bodies in _____ gray horns of the spinal cord, and their axons exit the cord via a/an _____ root.