Nervous System

Question 1

Functions of the nervous system

Answer 1

1) detect and interpret sensory information
2) Integration of stimuli
3) Response to stimulus - by movement or secretion of glands

Question 2

Central Nervous system is made up of

Answer 2

the brain and spinal cord

Question 3

The central nervous system sends a ___ signal

Answer 3

A motor/efferent signal to PNS

Question 4

The Peripheral Nervous system is made up of

Answer 4

parts of the nervous system other than the brain and spinal cord

Question 5

The PNS sends a ____ signal

Answer 5

a sensory/afferent signal to CNS

Question 6

Sensory receptors are picked up by the

Answer 6

PNS

Question 7

The PNS can have two responses at first, which are

Answer 7

the autonomic nervous system and the somatic nervous system

Question 8

The autonomic system is made up of what

Answer 8

signals go to cardiac and smooth muscles and glands

Question 9

The somatic system is made up of

Answer 9

skeletal muscles

Question 10

The autonomic system can then have two other responses, which are

Answer 10

Parasympathetic and sympathetic nervous systems

Question 11

The parasympathetic is are signals that

Answer 11

go to involuntary functions

Question 12

Sympatheic signals

Answer 12

make your body go on high alert

Question 13

Neurons

Answer 13

transmit nerve impulses

Question 14

Neuroglia

Answer 14

AKA: glial cells, support + protect the neurons

Question 15

Sensory neurons

Answer 15

send impulses toward CNS (afferent)

Question 16

Motor neurons

Answer 16

send impulses away from CNS (efferent)

Question 17

4 anatomic regions of the brain

Answer 17

Cerebrum, Diencephalon, Brainstem, and Cerebellum

Question 18

Cerebrum is the…

Answer 18

largest part of the brain

Question 19

the cerebrum is covered in

Answer 19

ridges (gyri) and grooves (sulci), patterns are similar but not identical

Question 20

Fissures

Answer 20

like gyro but little indents in brain

Question 21

Outer surface of the cerebrum is the what

Answer 21

the cerebral cortex, which is the thinking/ processing surface

Question 22

2 hemispheres (left and right)

Answer 22

the corpus callosum attaches the brain

Question 23

Divided into 4 lobes

Answer 23

Frontal, parietal, occipital, and temporal

Question 24

what is the function of the frontal lobe

Answer 24

the frontal lobe allows voluntary movement, intellectual function and reasoning, + containing speech (towards left side)

Question 25

what is the function of the parietal lobe

Answer 25

sensory processing (skin and taste)

Question 26

what is the function of the occipital lobe

Answer 26

vision

Question 27

what is the function go the temporal lobe

Answer 27

hearing, memory, and emotions

Question 28

Where is the diencephalon located and what other name is it called for that reason?

Answer 28

AKA: interbrain, located deep inside the brain, it is enclosed by the cerebral hemispheres

Question 29

The Diencephalon contains what important structures?

Answer 29

Thalamus, hypothalamus, and the pineal gland

Question 30

the thalamus...

Answer 30

sorts/directs signal to the appropriate region of the brain

Question 31

the hypothalamus...

Answer 31

controls the autonomic system -regulates endocrine system, blood pressure, thirst, hunger, and body temperature

Question 32

the pineal gland...

Answer 32

regulates sleep-cycle hormones

Question 33

the brain stem is made up of what 3 different parts

Answer 33

midbrain, pons, and medulla oblongata

Question 34

the pons takes role in what

Answer 34

breathing

Question 35

the medulla oblongata takes role in what

Answer 35

regulating the heart rate

Question 36

the brainstem maintains

Answer 36

vital life functions

Question 37

the brainstem also controls...

Answer 37

reflexive actions such as hearing, sight, vomiting, sneezing, and coughing

Question 38

Where is the cerebellum located

Answer 38

below the occipital lobe

Question 39

what is the cerebellum's important role

Answer 39

shows importance in coordinating body movements and balance, well developed in athletic individuals

Question 40

What is the meninges

Answer 40

the protective covering over the CNS (brain)

Question 41

the meninges have 3 layers, which are

Answer 41

dura mater (outer), arachnoid mater (middle), Pia mater (inner)

Question 42

Dura mater is

Answer 42

tough

Question 43

Arachnoid mater is

Answer 43

web like tissue with cerebral spinal fluid in the space below

Question 44

Cerebral spinal fluid..

Answer 44

cushions/absorbs shock and provides nutrients to CNS

Question 45

pia mater is

Answer 45

thin, very delicate layer but attaches to very surface of CNS and follows all grooves and ridges

Question 46

where is the spinal cord located

Answer 46

extends from brain stem to the beginning of the lumbar region of the spine, is surrounded and protected by meninges and CSF

Question 47

Spinal cord functions

Answer 47

1) pathway to conduct impulses (deliver messages) between brain and body 2) connections for reflex arcs

Question 48

Dorsal root of spinal cord =

Answer 48

sensory

Question 49

Ventral root of spinal cord =

Answer 49

motor