Anatomy Of The Nervous System

Question 1

Unmyelinated region with mainly cell bodies and dendrites

Answer 1

Gray matter

Question 2

Collection of cell bodies in the CNS

Answer 2

Nucleus

Question 3

Myelinated regions with mostly axons

Also called the tract

Answer 3

White matter

Question 4

Collection of neuron cell bodies in the PNS

Answer 4

Ganglion

Question 5

Bundle of axons

Answer 5

Nerve

Question 6

Is a cluster of unmyelinated tissue in the brain

Answer 6

Nucleus

Question 7

What protects the brain

Answer 7

Cranium

Question 8

What protects the spinal cord

Answer 8

Vertebral column

Question 9

What protects both the brain and spinal cord

Answer 9

Meninges

Question 10

What are the layers of meninges from superficial to deep

Answer 10

Dura matter
Arachnoid matter
Pia matter

Question 11

Thick and collagen rich
Separates in two layers in certain locations

Answer 11

Dura matter

Question 12

Encases brain spinal cord and CSF

Answer 12

Arachnoid matter

Question 13

Is tightly adhered to the surface of the brain

Answer 13

Pia matter

Question 14

3 meningeal spaces

Answer 14

Epidural
Subdural
Subarachnoid

Question 15

This meningeal space contains CSF

Answer 15

Subarachnoid space

Question 16

Are thin walled veins located between layers of dura matter Wich collects venous blood from the brain to the heart

Answer 16

Dural venous sinuses

Question 17

What are the 5 dural venous sinuses

Answer 17

Superior sagittal sinus
Inferior sagittal sinus
Occipital sinus
Straight sinus
Transverse sinuses

Question 18

Dura matter folds to separate and stabilize brain within the cranial cavity

Answer 18

Cranial dural septa

Question 19

What are the 4 cranial dural septa

Answer 19

Falx cerebri
Tentorium Cerebelli
Falx Cerebelli
Diaphragma sellae

Question 20

Separates right and left sides of the brain

Answer 20

Falx cerebri

Question 21

Forms roof over cerebellum

Answer 21

Tentorium Cerebelli

Question 22

Separates 2 half’s of cerebellum

Answer 22

Falx Cerebelli

Question 23

Forms roof over sella turcica

Answer 23

Diaphragma sellae

Question 24

Covers entire surface of entire nerve

Answer 24

Epineurium

Question 25

Covers fascicles

Answer 25

Perineurium

Question 26

Bundles of axon

Answer 26

Fascicles

Question 27

Covers individual Neurons

Answer 27

Endoneurium

Question 28

Derived from blood Produced by ependymal cells in the ventricles

Answer 28

Cerebrospinal fluid

Question 29

Tangle of capillaries that are surrounded by a lining of ependymal cells

Answer 29

Choroid plexus

Question 30

Where is the CSF produced

Answer 30

Ventricles

Question 31

What are the functions of CSF

Answer 31

Delivers some nutrients Carries away some wastes Provides cushioning and protection to brains and spinal cord

Question 32

What absorbs excess CSF and returns it to your blood

Answer 32

Arachnoid membrane

Question 33

Primary delivery system of nutrients

Answer 33

Blood

Question 34

This forms under posterior of embryo

Answer 34

Neural tube

Question 35

Surrounds the neural tube

Answer 35

Neural crest

Question 36

Becomes the brain eyes and spinal cord

Answer 36

Neural tube

Question 37

Becomes the peripheral nerves

Answer 37

Neural crest

Question 38

What does the neural tube form during the first stages of development

Answer 38

Primary vesicles called Forebrain Midbrain Hindbrain

Question 39

When primary vesicles become five secondary vesicles what does these primary vesicles become Forebrain Midbrain Hindbrain

Answer 39

Forebrain-telencephalon,diancephalon Midbrain- mesencephalon Hindbrain-metencephalon myelencephalon

Question 40

Becomes the cerebrum of the brain

Answer 40

Telencephalon

Question 41

Becomes the retina of the eyes, thalamus and hypothalamus

Answer 41

Diencephalon

Question 42

Becomes the midbrain

Answer 42

Mesencephalon

Question 43

Becomes the pons and cerebellum

Answer 43

Metencephalon

Question 44

Becomes the medulla oblongata

Answer 44

Myelencephalon

Question 45

Controls conscious experiences Regulates homeostasis Controls muscle movement

Answer 45

The brain

Question 46

What are the 4 major regions of the brain

Answer 46

Cerebrum Diencephalon Brain stem Cerebellum

Question 47

Makes up most of the mass of the brain Is divided Into left and Right hemispheres by a longitudinal fissure

Answer 47

Cerebrum

Question 48

Folds on the brain

Answer 48

Gyri/gyrus

Question 49

Grooves between folds

Answer 49

Sulci/sulcus

Question 50

Deep grooves

Answer 50

Fissures

Question 51

White matter tract that bridges the cerebral hemispheres and allows communication between the two hemispheres

Answer 51

Corpus callosum

Question 52

Responsible for memory emotion language and consciousness

Answer 52

Cerebral cortex

Question 53

What are the 5 lobes of the cerebellum

Answer 53

Frontal lobe Parietal lobe Temporal lobe Occipital lobe Insula

Question 54

Separates temporal lobe from other regions

Answer 54

Lateral sulcus

Question 55

Separates parietal lobe from frontal lobe

Answer 55

Central sulcus

Question 56

Occupies anterior cerebral cortex Involved in decision making and higher order cognitive behavior

Answer 56

Frontal lobe

Question 57

Is involved in personality short term memory and consciousness

Answer 57

Prefrontal lobe

Question 58

Located posterior to the central sulcus Primarily involved in body sensations

Answer 58

Left and right parietal lobe

Question 59

Involved in the lateral/inferior Regions of the brain Involved with hearing and smelling

Answer 59

Left and right temporal lobes

Question 60

Located posterior of cerebrum Processes visual information Responsible for visual memories

Answer 60

Occipital lobes

Question 61

Receive input or control output

Answer 61

Primary areas

Question 62

Link sensory information to memories

Answer 62

Association areas

Question 63

Is the primary motor cortex Moves skeletal muscles Premotor area helps movement

Answer 63

Precentral gyrus

Question 64

Primary somatosensory cortex Processes sensation from skin and proprioception

Answer 64

Postcentral gyrus

Question 65

Primary gustatory and gustatory association areas

Answer 65

Insula

Question 66

Language and speech

Answer 66

Mainly located on the left side of the cerebrum

Question 67

Plans movement and regulars breathing for speech

Answer 67

Brocas area

Question 68

Recognition and understanding writing or speech

Answer 68

Wernicke's area

Question 69

Involves prefrontal cortex One of the last areas to mature

Answer 69

Intellect and personality

Question 70

Relays information to primary Somatosensory area where it is interpreted as pain

Answer 70

Thalamus

Question 71

Deep to gray matter of cerebral cortex

Answer 71

White matter tracts

Question 72

Connects area within the same hemisphere

Answer 72

Association tracts

Question 73

Connect between hemispheres

Answer 73

Commissural tracts

Question 74

Extends into the spinal cord

Answer 74

Projection tracts

Question 75

Connect within same lobe

Answer 75

Arcuate fibers

Question 76

Connect between lobes within the same hemisphere

Answer 76

Longitudinal fasciculi

Question 77

Helps control intensity of muscle movements

Answer 77

Basal Nuclei

Question 78

Involved in long term memory and emotional response

Answer 78

Hippocampus and amygdala

Question 79

Connects cerebrum to the rest of the nervous system

Answer 79

Diencephalon

Question 80

Regions of the diencephalon

Answer 80

Thalamus Hypothalamus Epithalamus

Question 81

Collection of nuclei Major sensory integration and processing area Involved in processing all sensations expect smell (olfaction)

Answer 81

Thalamus

Question 82

Collection of nuclei involved in regulating homeostasis Regulatory center for autonomic nervous system

Answer 82

Hypothalamus

Question 83

3 regions of brain stem

Answer 83

Midbrain Pons Medulla oblongata

Question 84

Visible as bulge on anterior brain stem

Answer 84

Pons

Question 85

Most inferior structure of the brain

Answer 85

Medulla oblongata

Question 86

Outer gray matter cortex and inner white matter tracts

Answer 86

Cerebellum

Question 87

Regulates wakefulness and sleep

Answer 87

Reticular formation

Question 88

What forms the reticular formation

Answer 88

Gray matter in brain stem, diencephalon and spinal cord

Question 89

Are structures that collectively proccess information

Answer 89

Limbic system

Question 90

Involved in memory formation and navigation

Answer 90

Hippocampus

Question 91

proccesses fear response

Answer 91

Amygdala

Question 92

Divided Into regions that correspond to the vertebral column

Answer 92

Spinal cord

Question 93

Gray matter of spinal cord that resemble the letter H

Answer 93

Gray horns

Question 94

White matter of spinal cord arranged into columns

Answer 94

White columns

Question 95

Attach directly to brain 12 pairs in total Motor, sensory or both

Answer 95

Cranial nerves

Question 96

Attached to the spinal cord 31 pairs in total Mixture of sensory and motor

Answer 96

Spinal nerves

Question 97

What are the 4 plexuses

Answer 97

Cervical Brachial Lumbar Sacral

Question 98

Wich region does not form plexuses

Answer 98

Thoracic