Exam 14: Nervous System: Spinal Cord and Spinal Nerves

Axons of the corticobulbar tracts

Anatomy of the spinal cord & spinal nerves. -This figure shows the spinal cord and spinal nerves. What structure does number 2 indicate?

The innermost of the meninges is the pia mater.

Anatomy of the spinal cord & spinal nerves. -This figure shows a cross section of the spinal cord. What structure does number 1 indicate?

The simple knee-jerk reflex is an example of a(n) ________ reflex.

The Golgi tendon reflex

If someone steps on a sharp object with their right foot, it will lead to

The posterior ramus of a typical spinal nerve innervates the

The nerve responsible for innervation (movement) of the quadriceps femoris muscle is the ________ nerve.

Anatomy of the spinal cord & spinal nerves. -This figure shows a cross section of the spinal cord. What structure does number 4 indicate?

A reflex arc in which both the receptor and the effector organs of the reflex are on the same side of the spinal cord is

This figure shows a cross section of a vertebra and the spinal cord. What structure does number 1 indicate?

In general, nerves from the posterior division of the brachial plexus tend to innervate muscles that extend the parts of the upper limb.

For many reflexes, including the stretch reflex, the excitation of a muscle leads to

A specific segment of skin supplied by a single spinal nerve is a ________.

The spinal cord part with the largest diameter is the ________ part.

Anatomy of the spinal cord & spinal nerves. -This figure shows the spinal cord and spinal nerves. What structure does number 1 indicate?

Following an injury to his arm, a patient complains that he has no sensations from his "pinky." You suspect that he has damaged the

In adults, the spinal cord is not the same length as the vertebral canal, and most of the lumbar part of the spinal cord is within

The spinal cord relays both sensory and motor information between the CNS and rest of the body.