4. Nervous System

Question 1

What are the most numerous glial cells in grey matter?

Answer 1

Astrocytes

Question 2

What is rER called in neuron cell bodies?

Answer 2

Nissl substance

Question 3

What connective tissue layer surrounds a nerve fasicle?

Answer 3

Perineurium

Question 4

This part of the neuron is the part that receives impulses from other neurons.

Answer 4

Dendrites

Question 5

What connective tissue layer surrounds multiple nerve fascicles?

Answer 5

Epineurium

Question 6

What type of cell is responsible for myelination in the peripheral nervous system?

Answer 6

Schwann cell

Question 7

What is the name of the dense collagenous menigeal layer that is usually attached to the periosteum of the skull?

Answer 7

Dura Mater

Question 8

What cell in the central nervous system forms a type of scar tissue?

Answer 8

Astrocyte

Question 9

Which type of cell is responsible for myelination in the central nervous system?

Answer 9

Oligodenrocyte

Question 10

What is the name of the thin menigeal layer that touches the brain and spinal cord?

Answer 10

Pia mater

Question 11

Nerves which conduct from the outside towards the CNS are called?

Answer 11

Afferent

Question 12

The molecular layer, the purkinje cell layer and the granular layer is found in what part of the brain?

Answer 12

Cortex of the cerebellum

Question 13

What connective tissue layer surrounds individual nerve fibers?

Answer 13

Endoneurium

Question 14

Which neuron fiber does not have nissl substance?

Answer 14

Axon

Question 15

Which layer of the brain houses blood vessels and is the location where CSF flows?

Answer 15

Arachnoid

Question 16

What is a peripheral collection of cell bodies, support cells and occassional axons?

Answer 16

Ganglia

Question 17

Nerves which conduct messages from the central nervous sytem to the outside are called?

Answer 17

Efferent

Question 18

Gaps found in myelin are called what?

Answer 18

Nodes of Ranvier

Question 19

What structure produces cerebral spinal fluid

Answer 19

Choroid plexus

Question 20

What is the name for the jumping kind of conduction found in myelinated nerve fibers?

Answer 20

Saltatory

Question 21

Which neuroglial cell is part of the immune system?

Answer 21

Microglia

Question 22

What are the specialized epithelial cells that line the ventricles and the central canal of the spinal cord?

Answer 22

Ependymal cells

Question 23

What is the glial cell that is derived from a bone marrow precursor?

Answer 23

Microglia

Question 24

What is the middle menigeal layer called?

Answer 24

Arachnoid

Question 25

Which neuroglial cell provides physical support, controls the chemical environment and creates contact with one another?

Answer 25

Astrocytes

Question 26

Which of the following is NOT a characteristic of neuron cell bodies?

1) condensed nucleus
2) dispersed chromatin
3) presence of nucleoli
4) large nucleus

Answer 26

1) condensed nucleus

Question 27

Where do blood vessels on the surface of the brain generally run in?

Answer 27

Sub arachnoid space

Question 28

What is another name for the stratum basale?

Answer 28

Stratum germinativum

Question 29

Do neuron cell bodies have a condensed nucleus or dispersed chromatin?

Answer 29

Dispersed chromatin

Question 30

Where can satellite cells be found?

Answer 30

Ganglia