Exam 13: The Spinal Cord, spinal Nerves, and Spinal Reflexes

The neural "wiring" of a single reflex is called a(n)________.

The ________ of each spinal nerve innervates the skin and muscles of the back.

Figure 13-2 Spinal Nerves Use Figure 13-2 to answer the following questions: -What is the function of the structure labeled "12"?

Each of the following nerves originates in the lumbar plexus,except the ________ nerve.

In ________,one neuron synapses on several postsynaptic neurons.

The spinal cord consists of five regions and ________ segments.

Which of the following associations is incorrect?

Figure 13-1 The Spinal Cord Use Figure 13-1 to answer the following questions: -Where do somatic motor neurons reside?

Nerve tracts or fasciculi make up the

Reflexes that activate muscles on the same side of the body as the stimulus are called ________.

The reflex that prevents a muscle from exerting too much tension is the ________ reflex.

The obturator nerve is distributed to the

The condition in which a person loses all feeling and movement of the arms and legs due to spinal cord injury is termed ________.

Muscles of the neck and shoulder are innervated by spinal nerves from the ________ region.

Reflexes that activate muscles on the opposite side of the body as the stimulus are called ________.

The ventral rami form four major plexuses,including all of the following,except the ________ plexus.

The dura mater tapers inferiorly to form the ________.

The brachial plexus gives rise to all of the following nerves,except the

All of the following are true of neural reflexes,except that they

In ________,axon collaterals extend back toward the source of the impulse and further stimulate the earlier neurons.