Exam 14: The Nervous System: The Spinal Cord and Spinal Nerves

Figure 14.4 Using the above-referenced diagram of a typical peripheral nerve and its connective tissue wrappings, identify the specified labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label B.

Spinal reflexes ________.

The largest nerve in the body that is formed from L4-S3 is the ________.

Figure 14.8 Using the above-referenced diagrams of the lumbar and sacral plexuses, identify the specified labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label D.

Figure 14.7 Using the above-referenced diagrams of the anterior and posterior views of the upper limb, identify the specified labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label EE.

The ________ nerve of the lumbar plexus is formed by ventral rami of T12 and L1, and innervates the internal and external oblique muscles.

Activation of a sensory neuron results in the conduction of action potentials into the spinal cord along a(n)________.

Figure 14.3 Using the above-referenced diagram of a sectional view through the spinal cord and meninges showing the peripheral distribution of the spinal nerves, identify the specified labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label P.

Figure 14.2 Using the above-referenced diagram of a posterior view of the spinal cord showing the meningeal layers, superficial landmarks, and distribution of gray and white matter, identify the specified labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label H.

Figure 14.8 Using the above-referenced diagrams of the lumbar and sacral plexuses, identify the specified labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label B.

Figure 14.1 Using the above- referenced diagrams of the superficial anatomy and orientation of the adult spinal cord (posterior view)and inferior views of cross-sections through representative segments of the spinal cord, showing the arrangement of gray and white matter, identify the specified labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label O.

The short head of the biceps femoris and the tibialis anterior muscles are innervated by the ________ nerve.

The median nerve ________.

The brachial plexus is composed of cutaneous and muscular branches of the ventral rami of spinal nerves C1-C4.

The ________ arises from the posterior cord of the brachial plexus.

All of the following are true of fiber tracts in the spinal cord except ________.

The blood vessels that supply the spinal cord are found in the ________.

Figure 14.4 Using the above-referenced diagram of a typical peripheral nerve and its connective tissue wrappings, identify the specified labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label C.

If you bump the "funny bone" which nerve function is interrupted?

Figure 14.2 Using the above-referenced diagram of a posterior view of the spinal cord showing the meningeal layers, superficial landmarks, and distribution of gray and white matter, identify the specified labeled structure(s) in each of the following questions. -Identify the structure(s) indicated by Label F.