Exam 16: The Spinal Cord and Spinal Nerves

During lab class,you conducted a two-point discrimination test on your lab partner.At the tip of the index finger,the two-point discrimination was 5 mm.On the dorsal surface of the hand,the two-point discrimination was 10 mm.Given the results of this test,which of the following statements is true?

The cone-shaped terminal end of the spinal cord is called the ________.

First-order neurons ________.

Your lab partner does not feel the stick of a needle in the sural region of the leg.Which spinal nerve may be damaged?

In the spinal cord,the grey matter is ________ to the white matter.

The spinal cord is protected by three layers of connective tissue membranes called the ________.

________ is an area on the body monitored by a single sensory neuron.

The area between the dura mater and the vertebrae is known as the ________.

The bony structure that encloses and protects the spinal cord is called the ________.

One difference between the meninges of the brain and the spinal cord is that ________.

In a two-point discrimination test,the distribution of sensory receptors is ________ related to the distance between the compass points.

What would be the most immediate consequence of damage to a first-order sensory neuron?

The ________ connect(s)the pia mater to the dura mater of the spinal cord.

How many pairs of spinal nerves are there?

A sensory cutaneous region,innervated by a single pair of spinal nerves,is called a ________.

Consider the sensory homunculus.Why is a large portion of the sensory area dedicated to the hands and fingers?

Which of the following statements explains why sensations felt on the left side of the body are received by the right cerebral hemisphere?

Which spinal nerve is linked to the skin covering the deltoid muscle?

What is the role of the adipose tissue in the epidural space?

Spinal nerves are classified as mixed nerves because they ________.