nervous system

Question 1

What are the 2 portions of the Nervous System

Answer 1

Central Nervous System and Peripheral Nervous System

Question 2

What are the parts of the CNS

Answer 2

Brain and spinal cord

Question 3

What are the parts of the PNS

Answer 3

Cranial Nerves and Spinal Nerves

Question 4

what are the components of the Cranial and Spinal Nerves

Answer 4

Sensory and motor

Question 5

What are sensory nerves

Answer 5

afferent, sensory neurons and receptors

Question 6

What are motor nerves

Answer 6

efferent-muscles and glands

Question 7

List 2 parts that are part of the motor nerves

Answer 7

ganglia and sensory receptors

Question 8

What is the Longitudinal fissure

Answer 8

a separation seen in the brain that divides the 2 lobes

Question 9

where is the girus

Answer 9

under the corpus collosum

Question 10

what is the corpus callosum

Answer 10

connects the right and left hemisphere

Question 11

what does the medulla oblongate do

Answer 11

controls the cardiac and respiratory areas

Question 12

what connects the spinals cord to the brain

Answer 12

pons of the brain

Question 13

what is the sulcus

Answer 13

it is the black/wrinkled looking portions in the brain

Question 14

The spinal cord is protected by connective tissue that is made up of??

Answer 14

vertebra and meninges

Question 15

The meninges in the spinal cord have 3 layers, what are they

Answer 15

dura mater, arachnoid, and pia mater

Question 16

The pia mater is what portion

Answer 16

it is the innermost layer (its soft) of the meninges

Question 17

What is the arachnoid

Answer 17

It is the middle-vasculature layer of the meninges of the spinal cord

Question 18

what is the dura mater

Answer 18

it is the outermost tough layer of the meninges of the spinal cord

Question 19

Where is CSF produced

Answer 19

in the brain

Question 20

These conduct impulses down the spinal cord

Answer 20

motor tracts (descending

Question 21

these conduct nerve impusles toward the brain

Answer 21

Sensory tracts (ascending)

Question 22

what are the 2 layers of the cerebellum

Answer 22

cerebellar cortex and cerebellar medulla

Question 23

what are the two layers in the cerebellar cortex

Answer 23

molecular layer and granular layer

Question 24

what does the cerebellar medulla look like?

Answer 24

looks like a tree, and the way it branches is termed “arbor vitae”

Question 25

what is the function of the cerebellum

Answer 25

coordinates all voluntary muscle movements, skilled movements, posture, and equilibrium

Question 26

What are the functional units of the the nervous system

Answer 26

neurons

Question 27

what are the nerve cells called

Answer 27

neurons

Question 28

what are the supportive cells of the nerve cells called

Answer 28

neuroglia

Question 29

what are the 4 types of neuroglia

Answer 29

astrocytes, oligodendrocytes, microglia, and Schwann cells

Question 30

These form blood brain barrier, repair brain injuries and scar formation

Answer 30

astrocytes

Question 31

these produce myelin

Answer 31

oligodendrocytes

Question 32

these are phagocytes

Answer 32

microglia

Question 33

these, along with oligodendrocytes produce myelin

Answer 33

Schwann cells

Question 34

what traps the message in the neuron

Answer 34

the dendrites

Question 35

where does the info come out of in the neuron

Answer 35

axon terminal

Question 36

when the neuron has Schwann cells what happens with the message

Answer 36

it travels faster

Question 37

another name for the spinal nerve is what

Answer 37

the peripheral nerve

Question 38

this is found around the individual axon

Answer 38

endoneurium

Question 39

this is found around the fascicle

Answer 39

perineurium

Question 40

this is found around the entire nerve

Answer 40

epineurium