Nervous System

Question 1

What kind of nerve carries impulses TO the CNS?

Answer 1

Sensory

Question 2

Another word for “Motor” neuron

Answer 2

Efferent

Question 3

The portion of the cerebellum responsible for vision

Answer 3

Occipital

Question 4

The void running down the center of the spinal cord

Answer 4

Central Canal

Question 5

The ___ nervous system contains all the nerves that affect the skeletal muscles and sensory organs

Answer 5

Somatic

Question 6

the “involuntary” part of the nervous system

Answer 6

Autonomic

Question 7

shorter branches of a neuron which receives nerve impulses

Answer 7

Dendrites

Question 8

part of cerebellum responsible for hearing and smelling

Answer 8

Temporal

Question 9

___ matter in the spinal cord contains bundles of myelinated axons

Answer 9

White

Question 10

The portion of the cerebrum responsible for thinking

Answer 10

Frontal Lobe

Question 11

The central part of the neuron, where most activities related to the maintenance of the cell occur

Answer 11

Cell Body

Question 12

When sodium and potassium ions are being returned to their resting potential

Answer 12

Refractory

Question 13

the portion of the nervous system not in the CNS

Answer 13

PNS

Question 14

what connects the two sides of the brain

Answer 14

Corpus Callosum

Question 15

the type of ion IN the cell during resting potential

Answer 15

Potassium

Question 16

the ending at the end of the Axon

Answer 16

Synaptic (also referred to as Axon terminals)

Question 17

The long part attached to a nerve cell

Answer 17

Axon

Question 18

the spaces between the myelinated sections of the axon

Answer 18

Nodes of Ranvier

Question 19

stage of action potential where sodium ions begin to move into the cell

Answer 19

Depolarization

Question 20

during resting potential, the type of ion outside the cell

Answer 20

Sodium ion

Question 21

the “master gland”

Answer 21

Pituitary gland

Question 22

the coated portion of the axon

Answer 22

Schwann Cells

Question 23

the portion of the brain for understanding speech

Answer 23

Parietal

Question 24

after action potential, ions are moved back to their spots by

Answer 24

active transport

Question 25

large portion of the brain stem

Answer 25

Medulla Oblongata

Question 26

the substance that coats part of the axons

Answer 26

Myelin

Question 27

synaptic ____ contains the neurotransmitters at the axon ends

Answer 27

Vesicles

Question 28

an involuntary action that bypasses the brain

Answer 28

Reflex

Question 29

the 3 protective layers around the spinal cord

Answer 29

Meninges

Question 30

the ventral root conducts nerve impulses ____ from the spinal cord

Answer 30

Away

Question 31

_____ transmission occurs because of the Schwann cells

Answer 31

Saltatory

Question 32

The space between neurons (between axon ends and dendrites of the next cell)

Answer 32

Synapse

Question 33

____ is found in the central canal and around the spinal cord

Answer 33

Spinal fluid

Question 34

part of the brain responsible for conscious thought

Answer 34

Cerebrum

Question 35

_____ transmitters make it more likely to produce an action potential

Answer 35

Excitatory

Question 36

A type of neuron only found in the CNS

Answer 36

Interneuron

Question 37

there are ____ cranial nerves/hairs attached to the brain

Answer 37

Twelve

Question 38

another word for "sensory" neuron

Answer 38

Afferent

Question 39

a neurotransmitter that puts you into a relaxed state

Answer 39

Acetylcholine

Question 40

the portion of the nervous system that puts you into a relaxed state

Answer 40

Parasympathetic

Question 41

the stage of action potential where potassium ions start to move OUT of the cell

Answer 41

Repolarization

Question 42

a neurotransmitter that's released to induce "fight or flight"

Answer 42

Noradrenalin

Question 43

there are 31 pairs of ____ nerves

Answer 43

Spinal

Question 44

the name for "nerve impulse"

Answer 44

Action Potential

Question 45

the voltage inside a neuron at resting potential is around

Answer 45

-70

Question 46

these break down neurotransmitters

Answer 46

Enzymes

Question 47

the sodium/potassium pump requires energy in the form of ___

Answer 47

ATP

Question 48

a chemical that is released to transmit a nerve impulse from one nerve cell to the next

Answer 48

Neurotransmitters

Question 49

_____ transmitters make it less likely for there to be an action potential

Answer 49

Inhibitory

Question 50

the part of the nervous system responsible for "fight or flight"

Answer 50

Sympathetic

Question 51

the dorsal root looks different from the ventral root because of an enlargement called the dorsal root ____

Answer 51

Ganglion

Question 52

____ Matter contains cell bodies

Answer 52

Grey

Question 53

part of the brain responsible for balance

Answer 53

Cerebellum

Question 54

part of the brain responsible for homeostasis

Answer 54

Hypothalamus

Question 55

the dorsal root conducts nerve impulses ____ the spinal cord

Answer 55

Towards

Question 56

the part of the brain that receives all the information from the senses (except smell)

Answer 56

Thalamus

Question 57

Nerves are bundles of individual cells called

Answer 57

Neurons

Question 58

____ neurons carry nerve impulses away from the CNS

Answer 58

Motor