Nervous System: Class Notes

Question 1

name highlighted

Answer 1

hypothalamus

Question 2

Parasympathetic triggers what reactions

Answer 2

rest & digest

Question 3

Pia Mater

Answer 3

Nearest meninge

rich supply of blood vessels

Question 4

Sympathetic System, what it does, causes and creates

Answer 4

Fight or Flight

Mobilizes body during extreme situations like exercise or fear

Cause increased heart rate,pulse rate, deep breathing,dialated eyes& sweaty skin

Creates energy that allows to body to cope rapidly w/ threatening situations

Question 5

name

and spell

Answer 5

V-e-n-t-r-i-c-l-e-s

Question 6

Name the 2 parts the ANS system is divided into

Answer 6

Parasympathetic

Sympathetic

Question 7

Effernt Nerves

Answer 7

Motor nerves that carry impulses from CNS to organs, glands, muscle. They effect the organ & bring a response

Efferent= engine(motor)

Question 8

Keywords for a Certain type of nerve

Sensory

Answer 8

KEyword for Afferent NErves

Question 9

Sympathetic (from ANS) triggers what reaction

Answer 9

fight or flight

Question 10

Structures of CNS

Answer 10

Brain & Spinal Cord

Question 11

Afferent Nerves

Answer 11

Sensory nerves that carry impulses to CNS from sensory receptors located in various parts of body

Think: They ASCEND=afferent

Question 12

True or False Dura Matter has two T’s

Answer 12

FALSE!

dura mater has one t

Question 13

look at it

Answer 13

Question 14

Input sensory nerves do what

Answer 14

Information travels along afferent nerves to CNS

Question 15

what 2 systems are in the ANS

Answer 15

Sympathetic

Parasympathetic

Question 16

Anatomy of ANS

Answer 16

Ganglia on either side of spinal cord

Question 17

When does the brain begin to develop during pregnancy

Answer 17

14 weeks; anterior end of tube begins to expand

Question 18

Spell the 3 layers protecting the brain and spinal cord

Answer 18

M-e-n-i-n-g-e-s

Question 19

Describe the PNS

Answer 19

Provide communication lines(like a phone)

Link all parts of body carrying impulses from CNS to the glands & muscles

Question 20

What re the two types of nerves in the PNS

Answer 20

(12 pairs) Afferent

(31 pairs) Efferent

Question 21

Parasympathetuc System

Answer 21

Allows to unwind & conserve energy

Most active when @ rest & not threatned

decrease demand on cardiovascular system

aka rest & digest and Housekeeping system

Question 22

What neuronstransmitter is associated with PD

Answer 22

Dopamine

Question 23

PNS stands for…

(spell it)

Answer 23

P-e-r-i-p-h-e-r-a-l Nervous System

Question 24

What do the synaptic bulbs do

Answer 24

connect to dentrites that takes in electrical impulses

Question 25

Output

Answer 25

Response from CNS travels along nerves

Question 26

Nerves coming off the brain are called

Answer 26

Cranial Nerves

Question 27

The brain weighs around...

Answer 27

3 lbs

Question 28

The average adult brain is roughly the size of what

Answer 28

2 fist together

Question 29

The neuron takes in impulses from the \_\_\_\_\_\_.

Answer 29

dendrites at top of neuron

Question 30

Meninges

Answer 30

3 layers of connective tissue membrane that encloses brain and spinal cord

Question 31

The brain is commonly discussed in how many regions

Answer 31

4

Question 32

AD changes the ______ thinking of the brain

Answer 32

AD changes the **cognitive** thinking of the brain

Question 33

What does the brain feel like

Answer 33

cold oatmeal....so says Mrs.Massaro

Question 34

What is the CNS protected by

Answer 34

Meninges CSF bones of cranium spinal coloumn

Question 35

Arachnoid Membrane

Answer 35

2cd meninge layer looks like spider web loosely attatches layers so CSF can move between Fluid nourishes,cools,cushions & prevent shock and injury

Question 36

spell the middle membrane in the meninges

Answer 36

A-r-a-c-h-n-o-i-d Membrane

Question 37

PNS is made up of...

Answer 37

12 pairs of Cranial Nerves 31 pairs of Spinal Nerves

Question 38

Keywords for Efferent Nerves

Answer 38

Stimulate Motor

Question 39

PD _____ neurons that deal with body movement

Answer 39

interupts

Question 40

Function of ANS, what its made of, and aka

Answer 40

Function: Motor subdivision that controlls body activity automatically Composed of neurons that regulate cardiac muscle, smooth muscle and glands Maintains homeostasis Called involuntary nervous system

Question 41

KEyword for Afferent NErves

Answer 41

Sensory

Question 42

THe parasympathetic system promotes what

Answer 42

normal digestion elimination conservation of body energy

Question 43

ANS stands for

Answer 43

Autonomic Nervous System

Question 44

name colored meninges

Answer 44

blue- dura mater green- arachnoid membrane yellow- pia mater

Question 45

name what this is pointing to

Answer 45

thalamus

Question 46

Basic Anatomy of PNS is...

Answer 46

Spinal nerves Cranial Nerves

Question 47

What neurontransmitters are linked to sleep cycles

Answer 47

Melatonin Serotonin

Question 48

The space between neurons is called

Answer 48

Synaptic Cleft

Question 49

What is the PNS made of

Answer 49

Cranial and Spinal nerves

Question 50

Action of Mylein Sheath

Answer 50

insulate neuron axons waxy and fatty, makes impulses move fast through axons

Question 51

name the highlighted

Answer 51

cerebrum

Question 52

Whats the small parts of the axon terminal called, and the circle at the end of it

Answer 52

Terminal end branches Synaptic Bulb

Question 53

What neurotransmitter is linked to AD? Spell it

Answer 53

A-c-e-y-t-l-c-h-o-l-i-n-e