8.1 Nervous System Questions - Group 2

Question 1

Afferent neurons are also called:

Answer 1

Sensory Neurons

Question 2

Afferent neurons carry nerve signals :

Answer 2

Towards the CNS

Question 3

The Schwann cell is found in the PNS or CNS?

Answer 3

PNS

Question 4

The neuroglia that are small phagocytic cells that wander around in the CNS are called:

Answer 4

Microglia

Question 5

Motor neurons are also called:

Answer 5

Efferent neurons

Question 6

The term “efferent” means:

Answer 6

“away from”

Question 7

Neurons that are said to “make decisions” are called:

Answer 7

Interneurons

Question 8

Interneurons store information and process information thus their function is:

a. motor
b. sensory
c. Integrative

Answer 8

Integrative

Question 9

What cell in the CNS is responsible for myelination?

Answer 9

Oligodendrocytes

Question 10

The purpose of the myelin sheath is for:

Answer 10

Insulation of nerve fibers

Question 11

What cell begins in the CNS and extends to muscles and gland cells that carry out its commands?

Answer 11

Motor (efferent) neuron

Question 12

What does the acronym CSF stand for?

Answer 12

Cerebrospinal fluid

Question 13

The only neuron that is entirely found within the CNS is the:

Answer 13

Interneuron

Question 14

Cilia help to circulate the CSF in the brain and spinal cord. What neuroglia makes the CSF?

Answer 14

Ependymal cells

Question 15

What glial cell forms the blood-brain-barrier?

Answer 15

Astrocyte

Question 16

What glial cell forms myelin sheaths in the PNS?

Answer 16

Schwann cell

Question 17

What does the acronym PNS stand for?

Answer 17

Peripheral Nervous System

Question 18

Schwann cells are the only glial cell capable of:

Answer 18

Regeneration and healing of a nerve fiber.

Question 19

When the axons of neurons are myelinated, what are the spaces of exposed nerve fiber called?

Answer 19

Nodes of Ranvier

Question 20

Bundles of myelinated nerve fibers called tracts are found in:

Answer 20

White matter

Question 21

Cell bodies, dendrites and synapses are located in:

Answer 21

Gray matter

Question 22

Bundles of myelinated nerve fibers that travel up and down the spinal cord; and between areas of the brain are called:

Answer 22

Tracts