Module 3 Terminology

Question 1

What is a neuron?

Answer 1

a specialized nerve cell that acts as the basic unit of the nervous system, responsible for receiving, processing, and transmitting electrical signals

Question 2

What is an axon and dendrites?

Answer 2

are parts of neurons that transmit and receive electrical and chemical signals

Question 3

What is the function of the axon?

Answer 3

Transmit signals from the cell body to other neurons or body tissue

Question 4

What is the function of the dendrite?

Answer 4

to receive electrical signals from other neurons and transmit them to the cell body (soma) of the neuro

Question 5

Neur/o

Answer 5

Nerve/Nervous System

Question 6

Ax/o

Answer 6

Axis or angle

Question 7

Dendr/o

Answer 7

Tree

Question 8

Gangli/o
Ganglion/o

Answer 8

Ganglion (cluster of nerve cell bodies outside the CNS)

Question 9

Radic/o
Radiculo/o
Rhiz/o

Answer 9

Nerve root

Question 10

Dur/o

Answer 10

Dura mater

Question 11

Myel/o

Answer 11

Spinal cord

Question 12

Mening/o

Answer 12

Meninges

Question 13

Polar/o

Answer 13

End of Axis/Extreme

Question 14

Esthesi/o

Answer 14

Sensation, Sensitivity, Feeling

Question 15

Poli/o

Answer 15

Gray Matter

Question 16

Gen/o

Answer 16

Beginning/Origin

Question 17

Leps/o

Answer 17

Seizure

Question 18

Pre-

Answer 18

Before

Question 19

Tetra-
Quad-

Answer 19

Four

Question 20

Af-

Answer 20

Toward

Question 21

Ef-

Answer 21

Away from

Question 22

Syn-

Answer 22

Together

Question 23

Endo-

Answer 23

Within

Question 24

Exo-

Answer 24

Outside/External

Question 25

Hyper-

Answer 25

Above

Question 26

-on

Answer 26

Specific unit or particle (used to form nouns)

Question 27

-ite

Answer 27

Related to

Question 28

-ictal

Answer 28

Seizure/Attack

Question 29

-paresis

Answer 29

Weakness

Question 30

-ferent

Answer 30

To Carry

Question 31

-apse

Answer 31

Join

Question 32

-ous

Answer 32

Pertaining to

Question 33

-ization

Answer 33

The process of becoming

Question 34

What creates the negative charge difference in the cell?

Answer 34

Both sodium and potassium are positively charged. Negative charged phosphorylated membrane protein

Question 35

What are non-specific channels?

Answer 35

The neurotransmitter is ACh, as soon as it binds the receptor, the channel opens and allows an increased conductance of both sodium and potassium

Question 36

What type of excitatory potential occur with only a short delay?

Answer 36

FAST EPSPs or fEPSP