Nervous System Quiz #1

Question 1

What is the function of microglia

Answer 1

“Immune system of the central nervous system”
( Phagocytes can engulf microbes or injured nerve tissue)

Question 2

What is the function of astrocytes?

Answer 2

1.)Supprt & protect neutrons
2.)Help maintain proper chemical environment for nervous impulses
3.)Assist with growth & migration of neutrons during development
4.)Help form blood brain barrier

Question 3

What is the function of nerve cells?

Answer 3

1.) Neurons are the functional cell of nervous tissue
2.) Impulse conducting cells
3.) Produce electrical impulses or an action potential in response to stimuli

Question 4

What makes up the peripheral nervous system?

Answer 4

1.) cranial nerves
2.) Spinal nerves
3.) Ganglia
4.) enteric plexuses
5.) Receptors

Question 5

What are the gaps in the myelin called?

Answer 5

Nodes of Ranvier

Question 6

What is nervous tissue composed of?

Answer 6

1.) Neurons ( nerve cells)
2.) Neurglia ( nerve glue)

Question 7

What is the function of oligodendrocytes and Schwann cells?

Answer 7

Lay down myelin around axons

Question 8

What are the structural classifications for neurons?

Answer 8

1.) Multipolar
2.) Bipolar
3.) Unipolar

Question 9

What are the functional classifications for neurons?

Answer 9

1.) Afferent neurons
2.) Interneurons
3.) Efferent neurons

Question 10

What is the function of ependymal cells?

Answer 10

Produce cerebrospinal fluid

Question 11

What makes up the Central nervous system?

Answer 11

1.) Brain
2.) spinal cord

Question 12

What are 3 basic functions of the nervous system?

Answer 12

1.) Sensory function
2.) Integrative function
3.) Motor function

Question 13

There are 4 types of nervous tissue. What are they?

Answer 13

1.) Astrocytes
2.) Microglia
3.) oligodendrocytes (CNS)
Schwann cells (PNS)
4.) Ependymal cells

Question 14

What is the basic structure of a neuron?

Answer 14

1.) Cell body
2.) Dendrites
3.) Axon