Comprehensive Exam

Question 1

What do we call neuronal processes that carry receptors for neurotransmitters and that transmit membrane potentials toward the neuronal cell body?

Answer 1

dendrites

Question 2

What are clusters of neuronal cell bodies in the central nervous system called?

Answer 2

nuclei

Question 3

What type of glial cell is responsible for myelinating axons in the central nervous system?

Answer 3

oligodendrocyte

Question 4

Which labeled portion of the diagram corresponds to the depolarization of the axon?

Answer 4

B

Question 5

What is the smallest stimulus that is capable of initiating an action potential called?

Answer 5

threshold

Question 6

Hyperpolarization is the result of the excessive exit of which ion from the cell?

Answer 6

potassium

Question 7

In the PhysioEx exercise, what was the effect of lidocaine on the nerve?

Answer 7

inhibition

Question 8

Identify the indicated portion of the cerebellum.

Answer 8

white matter