Ch. 2Terms

Question 1

Identify parts of a neurons

Answer 1

Dendrite
Cell body
Axon
Terminal buttons

Question 2

Dendrites

Answer 2

Received info

Question 3

Cell body

Answer 3

Contains a nucle

Question 4

Axon

Answer 4

Neuron pathway

Question 5

Myelin sheath

Answer 5

On axon

Question 6

Terminal buttons

Answer 6

Neurotransmission occurs and shoots into synapse

Question 7

Afferent Nuerons

Answer 7

Sends information from receptors to the spinal cord and brain

Question 8

Efferent Nueron

Answer 8

Transmits info from brain or spinal cord to muscle and glands

Question 9

Internuerons

Answer 9

One neuron to another structure of neuron

Question 10

Process of neurotransmission

Answer 10

Dendrites receive signals from other neuron

• no please tell Sal to fire or not to fire
• go through Axon which is the highway messenger of neurons
• axon enter terminal button which contain Nero transmitter then go to Nero transmitter get shot into the synapse

Question 11

Polarization

Answer 11

Neuron gets more negatively charged

Question 12

Depolarization

Answer 12

Nueron gets less negatively charged

Question 13

Resting potential

Answer 13

Neuron is ready to activate and communicate if It receives sufficient stimulation

Question 14

Action potential

Answer 14

All or nothing response (an impulse that travels along the axon at constant strength

Question 15

Refractory period

Answer 15

Brief span of time with the nueron is unable to fire again

Question 16

Inhibitory neurotransmitters

Answer 16

Cannot fire (neuron receiving transmitter becomes less likely to transmit the message to subsequent neuron)

Question 17

Excitatory neurotransmitters

Answer 17

To fire ( neuron receiving is more likely to transmit the message )

Question 18

ACETYLCHOLINE …….low levels=….

Answer 18

Control of activities and the plane related to attention , learning, memory. low= Alzheimer’s disease

Question 19

Dopamine…. low…high

Answer 19

Controls arousal levels…..low= Parkinsons disease……high=schizophrenia

Question 20

Epinephrine

Answer 20

…..

Question 21

Serotonin

Answer 21

Appetite, Sleep, aggression

Question 22

Glutamate

Answer 22

Excitatory neurotransmitter in the body

Question 23

Endorphin

Answer 23

Inhibitory neurotransmitter like morphine, pain relieving qualities

Question 24

Agonists

Answer 24

drug or chemical substance that binds to receptors sites and triggers a response in cells

Question 25

Antagonist

Answer 25

Drug or chemical substance that prevents a response in the receiving cell

Question 26

Central Nervous System

Answer 26

Includes brain and spinal chord

Question 27

Peripheral Nervous System

Answer 27

All parts outside of (CNS)

• Somatic
• Autonomic

Question 28

Autonomic Nervous System

Answer 28

Regulates bodily processes

-functions below level of consciousness

Question 29

Sympathetic

Answer 29

Fight or Flight response

-mobilizes body in time of stress or danger

Question 30

Parasympathetic

Answer 30

Returns body back to the safe functioning state AKA HOMEOSTASIS

Question 31

Somatic Nervous System

Answer 31

Contains nerves that connect receptors to the brain and spinal chord
-voluntary system

Question 32

Pituitary Gland

Answer 32

Releases hormones that have a range of effects

Question 33

Pineal Gland

Answer 33

Located in the brain and produces hormones such as Melatonin

up=when sleeping ……down= when awaking

Question 34

Adrenal Gland

Answer 34

Pair of endocrine glands that are involved in human stress response