Chapter 4 Vocab

Question 1

system responsible for regulating and maintaining homeostasis

Answer 1

nervous system

Question 2

level of the brain for autonomic responses

Answer 2

the vegetative level

Question 3

level of brain responsible for emotional though processing

Answer 3

the limbic system

Question 4

level of brain responsible for human consciousness and rational though processing

Answer 4

the neocortical level

Question 5

building block of the nervous system

Answer 5

neurons

Question 6

receive information and conduct impulses toward cell body(specific neurotransmitter depending on what it is

Answer 6

dendrites

Question 7

part of neuron that produces neurotransmitters and store it in synaptic vesicles

Answer 7

cell body(cyton)

Question 8

nerve fiber that carries impulses away from cell body

Answer 8

axons

Question 9

whitish, fatty segmented substance that is found on axons to insulate the fiber, helps to speed up rate of signal transmission

Answer 9

myelin sheath

Question 10

the cells that surround the axons of the peripheral nerves, forming the myelin sheath of myelinated nerve fibers and providing support for non myelinate nerve fibers

Answer 10

Schwann cell

Question 11

part of neuron that contains the synaptic vesicles

Answer 11

axon terminals

Question 12

part of neuron that stores neurotransmitters

Answer 12

synaptic vesicles

Question 13

the gap between neurons where information transfer takes place

Answer 13

synapse

Question 14

reabsorption of a neurotransmitter by a transporter of an axon terminal of the pre-synaptic neuron

Answer 14

reuptake

Question 15

part of neuron that provides firmness and structure to the brain and gets the nutrients into the system, (forms myelin)

Answer 15

glial cells

Question 16

chemical substance that is released by transmitting neuron at the synapse and that alters the activity of a receiving neuron

Answer 16

neurotransmitters

Question 17

neurotransmitter that excites the postsynaptic neuron to produce a depolarization significant enough to trigger action potentials

Answer 17

excitatory neurotransmitter

Question 18

neurotransmitter that inhibits the formation of of action potential

Answer 18

inhibitory neurotransmitter

Question 19

neurotransmitter that causes rewards, motivation and motor control located in vegetative level(excitatory and inhibatory)

Answer 19

dopamine

Question 20

neurotransmitter that is located in vegetative and limbic level, memory, relaxation, and muscle activation(excitatory and inhibitory)

Answer 20

acetylcholine

Question 21

neurotransmitter that helps with memory, mood , cognition and sleep, in vegetative level(excitatory and inhibator)

Answer 21

serotonin

Question 22

neurotransmitter that makes you feel aroused, alert, and attentive, located in vegetative level(excitatory)

Answer 22

`norepinephrine

Question 23

neurotransmitter that causes euphoria, pain relief, found in several parts of the brain(inhibitory)

Answer 23

endorphin

Question 24

brains major inhibitor neurotransmitter

Answer 24

GABA

Question 25

neurotransmitter that makes you feel alert, awake, learning well, brains major excitatory neurotransmitter

Answer 25

glutamate

Question 26

mimics neurotransmitters by activating the receptor

Answer 26

agonist drug

Question 27

occupies neurotransmitter and prevents receptor activation

Answer 27

antagonist drug