Nervous System Ads

Front 1

What are nervous system organs responsible for?

Back 1

perception, integration and coordination of the human body

Front 2

What function of the nervous system which recognizes what's going on in the outside world?

Back 2

perception

Front 3

What function of the nervous system is the brain's ability to sort out and respond to multiple stimuli?

Back 3

integration

Front 4

What function of the nervous system is the sequence in proper order in human body's activities?

Back 4

coordination

Front 5

What are the anatomical divisions of the nervous system?

Back 5

Central nervous system and peripheral nervous system

Front 6

What are the divisions of the peripheral nervous system?

Back 6

somatic nervous system and autonomic nervous system

Front 7

What are the divisions of the autonomic nervous system?

Back 7

sympathethic and parasympathethic

Front 8

What nervous system is best described:

" composed of the brain and spinal chord?"

Back 8

CNS

Front 9

What nervous system is best described:

" all neurons and glial cells that are not part of the brain and spinal chord?"

Back 9

peripheral nervous system

Front 10

What nervous system is best described:

" those neurons that lead to skeletal muscles over which we process conscious control ?"

Back 10

somatic nervous system

Front 11

What nervous system is best described:

" neurons in the body for which we don't have conscious control, subconsciously occurs? "

Back 11

autonomic nervous system

Front 12

What nervous system is best described:

" action of internal organs and glands?"

Back 12

autonomic nervous system

Front 13

What nervous system is best described:

" fight or flight "

Back 13

sympathethic nervous system

Front 14

What nervous system is best described:

" rest and relax/ rest and digest? "

Back 14

parasympathethic nervous system

Front 15

What are the main cell types of the nervous system?

Back 15

neurons and neuroglia

Front 16

What is best described:

" name for cells that are responsible for carrying information from point a to point b "

Back 16

interneurons

Front 17

What cell type is described:

" protects the nervous system. does NOT carry information. "

Back 17

neuroglial cells

Front 18

There are 10x more ________ than neurons.

Back 18

glial

Front 19

What is the function of neuroglial cells?

Back 19

- to support the nervous system by grouping neurons together

- nourish the conducting neurons

Front 20

What are the types of neuroglial cells?

Back 20

astrocytes
oligodendroglia
microglial cells
ependymal cells
schwann cells

Front 21

What is described:

" very large star shaped cells with many tentacles "

Back 21

astrocytes

Front 22

What glial cell is described:

" function is to keep neurons attached to blood vessels."

Back 22

astrocytes

Front 23

How do astrocytes work?

Back 23

keep neurons attached to blood vessels by wrapping tentacles around both

Front 24

What glial cell is described:

" small highly phagocytotic cell"

Back 24

microglial cells

Front 25

What is the function of a microglial cell?

Back 25

to protect the nervous system from anything that shouldn't be there via phagocytosis

Front 26

What glial cell is described:

" ciliated long cells which produce cerebrospinal fluid"

Back 26

ependymal cells

Front 27

What glial cell is described:

" line the cavities of the brain "

Back 27

ependymal cells

Front 28

Where would you find schwann cells?

Back 28

wrapped around the axons of selected neurons

Front 29

What do shwann cells do?

Back 29

function to speed up action potential - make myelin

Front 30

What is myelin?

Back 30

product of a schwann cell

Front 31

What causes white areas of the brain and nervous system?

Back 31

schwann cells making myelin

Front 32

What is best described:

" 3 layered tissue that covers the entire nervous system "

Back 32

menenges
(PAD = Pia, Arachnoid, Dura)

Front 33

What is the function of the menenges?

Back 33

protects from chemical shock, makes cerebral spinal fluid, stores cebreal spinal fluid

Front 34

What are the three layers of the meninges from outside in?

Back 34

dura matar, arachnoid matar, pia matar

Front 35

What layer of the menenges is described:

" hard mattar "

Back 35

dura mattar

Front 36

What layer of the menenges is described:

" softest layer "

Back 36

pia mattar

Front 37

What is the largest part of the brain?

Back 37

cerebrum

Front 38

What makes up the diencephalon?

Back 38

thalamus and hypothalamus

Front 39

What makes up the brain stem?

Back 39

pons, cerebellum, medulla oblongota

Front 40

The ________ connects the two hemispheres.

Back 40

corpus collosum

Front 41

The ________ is the bridge between the conscious cerebrum and the rest of the unconscious brain.

Back 41

thalamus

Front 42

All impulses that reach the cerebrum must go through the _________.

Back 42

thalamus

Front 43

What part of the brain is most responsible for conscious activity?

Back 43

cerebrum

Front 44

What part of the brain is responsible for the highest level of motor/sensory integration?

Back 44

cerebrum

Front 45

What part of the brain is the seat of potential biological intelligence?

Back 45

cerebrum

Front 46

What part of the brain is the seat of academic memory?

Back 46

cerebrum

Front 47

What part of the brain is responsible for awareness of dangerous incoming signals (learning capability)

Back 47

thalamus

Front 48

What part of the brain is responsible for associating external sensory stimulations with degrees of emotional feelings?

Back 48

thalamus

Front 49

What part of the brain regulates the activity of the autonomic nervous system?

Back 49

hypothalamus

Front 50

True or false: the pituitary gland regulates growth of the skeleton.

Back 50

true

Front 51

What part of the brain is most responsible for regulating the rhythm of respiration?

Back 51

pons

Front 52

True or false: the thalamus regulates activity of gastrointestinal tract

Back 52

false

Front 53

True or false: the hypothalamus regulates activity of gastrointestinal tract

Back 53

true

Front 54

What is the main function of the cerebellum?

Back 54

to maintain and coordinate timing of the muscle contraction

Front 55

What is the main function of the pons?

Back 55

regulate rhythm of respiration

Front 56

What is the second largest part of hte brain?

Back 56

cerebellum

Front 57

What part of the brain functions to connect the brain and spinal chord?

Back 57

medulla oblongota

Front 58

What compartment of the medulla oblongota is responsible for regulating body activity that keeps you alive?

Back 58

vital center

Front 59

What compartment of the medulla oblongota is responsible for regulating body activity like coughing, sneezing, primary sexual response?

Back 59

nonvital center

Front 60

What are the steps of an Action Potential?

Back 60

a) A stimulus is received by the dendrites.
b) Na+ channels to open, depolarizing a region of the axon (Na+ rushes into cell, membrane polarity reverses )
c) Action potential travels down the axon, reversing polarity as it goes.
d) Repolarization occurs with K+ exiting the cell to return to resting state...refractory period
e) Return of ions (Na+ and K+) to their original concentration

Front 61

What is the purpose of the nodes of Ranvier

Back 61

They "recharge" the action potential during Saltatory Conduction.

Front 62

What is Saltatory Conduction

Back 62

The "leapfrog" of electrical signals across myelinated sections of an axon, from one node of Ranvier to another.