Quiz 1

Question 1

Which of the following is a grey matter structure?

a. Cerebral peduncles
b. Cerebral cortex
c. Medial longitudinal fasciculus
d. Medullary pyramids

Answer 1

b. cerebral cortex

Question 2

The large ventral portion of the pons is also called the

a. Tectum
b. Tegmentum
c. Basilar pons
d. Cerebellum

Answer 2

c. basilar pons

Question 3

Which cranial nerves are associated with the midbrain?

a. I and II
b. III and IV
c. V and VII
d. XI and XII

Answer 3

b. III and IV

Question 4

A tumor located in the dorsal aspect of the spinal cord will cause

a. Primarily sensory loss
b. Primarily motor loss
c. Myotomal weakness
d. All of the above

Answer 4

d. All of the above

Question 5

Multiple Sclerosis is associated with attack of which glial cell?

a. Microglia
b. Ependymal cells
c. Schwann cells
d. Oligodendrocytes

Answer 5

d. oligodendrocytes

Question 6

A neuron having three or more processes extending from the cell body would be classified as

a. Unipolar
b. Bipolar
c. Pseudounipolar
d. Multipolar

Answer 6

d. multipolar

Question 7

When the inside of a neuron becomes less negatively charged it is said to become

a. Unpolarized
b. Depolarized
c. Repolarized
d. Hyperpolarized

Answer 7

b. depolarized

Question 8

Which nerve fibers conduct the fastest?

a. Small unmyelinated fibers
b. Small myelinated fibers
c. Large unmyelinated fibers
d. Large myelinated fibers

Answer 8

d. large myelinated fibers

Question 9

The tract carrying information about pain and temperature decussates in the

a. Spinal cord
b. Brainstem
c. Thalamus
d. Cortex

Answer 9

a. spinal cord

Question 10

Upper motor neuron signs include

a. Weakness and rapid atrophy
b. Hypotonia, ataxia, and incoordination
c. Numbness and tingling
d. Spasticity and hyperreflexia

Answer 10

d. spasticity and hyperreflexia