Quiz 4

Question 1

What nerve covering separates different funiculus bundles from one another within the nerve?

Answer 1

Perineurium

Question 2

When an axon is severed, the portion of the axon distal to the cell body degenerates. What is that process called?

Answer 2

Wallerian degeneration

Question 3

Which cranial nerve innervates the motor muscles of the tongue?

Answer 3

Hypoglossal (XII)

Question 4

Which of the following cranial nerves does not innervate a motor muscle of the eyeball?
-Occulomotor (III)
-Abducens (VI)
-Trochlear (IV)
-Optic (II)

Answer 4

Optic (II)

Question 5

Which cranial nerve controls muscles for chewing food?

Answer 5

Trigeminal (V)

Question 6

The cauda equina begins in which region of the vertebrae?

Answer 6

Lumbar

Question 7

The spinal cord enters the cranium through what hole in the skull?

Answer 7

Foramen magnum

Question 8

Sensory information enters the spinal cord through which spinal root?

Answer 8

Dorsal

Question 9

Which muscle is most important for resting-level inspiration of air into the lungs?

Answer 9

Diaphragm

Question 10

If I make up a name for a tract in the spinal cord and it is called the “XXXX-spinal” tract, what direction is it going?

Answer 10

Descending from the brain to the spinal cord