Fundamentals of Anatomy & Physiology: The Nervous System (Part 1) Flashcards


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created 8 years ago by Rae_Harrison
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Part 1 focuses on the cells of the nervous system and their functions as well as a basic understanding of the Nervous system (PNS & CNS).
updated 8 years ago by Rae_Harrison
Subjects:
anatomy and physiology, medical, physiology, science, life sciences, anatomy & physiology
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1

What two kinds of cells are included in the neural tissue?

neurons

neuroglia

2

What is a neuron?

Cells that send and receive signals

3

What are Neuroglia?

Cells that support and protect neurons

4

Neuroglia (supporting cells) come in many different kinds. What kinds would you find in the PNS?

schwann cells

Satellite cells

5

Neuroglia (supporting cells) come in many different kinds. What kinds would you find in the CNS?

astrocytes

oligodendrocytes

microglia

ependymal cells

6

What is the outer most layer of a nerve?

epinueron

7

What are the organs of the nervous system?

Brain

Spinal cord

Sensory receptors

nerves

8

What does the CNS include?

Brain

Spinal Cord

9

What are the functions of the CNS?

Process and coordiante

10

Higher functions of brain intelligence, memory, learning, and emotions come from which nervous system?

CNS

11

Motor commands that control activities of the peripheral organs (i.e. skeletal muscles) come from which nervous system?

CNS

12

Sensory information from inside and outside the body is sent to which nervous system?

CNS

13

What does the PNS include?

All neural tissue outside the CNS

14

What are the two main functions of the PNS?

Deliver sensory information to CNS

Carry motor commands to peripheral tissues and systems

15

What are nerves made of?

nerves are a bunch of cell axons with connective tissue and blood vessels

16

Can nerves carry both sensory information and motor commands?

Yes

17

Cranial nerves are found where?

Connected to the brain

18

Spinal nerves are found where?

Attached to spinal cord

19

What do interneurons do?

connect sensory and motor neurons

20

What is a postsynaptic cell?

Neuron that receives messages

21

What is a presynaptic cell?

Neuron that sends message