Neuro

Question 0

The peripheral nervous system consist of what ?

Answer 0

Cranial nerve

Spinal nerve

Question 1

The central nervous system consist of what ?

Answer 1

Brain

Spinal cord

Question 2

A nerve call is called ?

Answer 2

Neuron

Question 3

What are the 3 major parts of the neuron ?

Answer 3

Cell body
Axon
Dendrite

Question 4

Where do axon carry impulses ?

Answer 4

Away from the call body

Question 5

What does the cell body contain ?

Answer 5

Nucleous by the neuron

Question 6

Where does the dendrite carry impulses ?

Answer 6

Towards the cell body

Question 7

The space between the axon of the neuron and the dendrite if the cell body next to the Brain is called what ?

Answer 7

The synapse

Question 8

What is the function of the myelin sheath ?

Answer 8

Provides electrical insulation to the neuron

Allow impulses to flow efficienly

Question 9

Name the in activator for the neurotransmitter acetylcholine ?

Answer 9

Cholinesterase

Question 10

What are sensory neurons ?

Answer 10

Afferent neurons

Carry impulses from the receptors to the CNS

Question 11

What are motor neurons ?

Answer 11

Efferent neurons

Carry impulses from the CNS To the effectors

Question 12

What are two functions of the spinal cord?

Answer 12

Transmit impulses to and from the brain

Is the center for spinal cord reflexes

Question 13

What does the medulla do ?

Answer 13

• V/S

- regulate HR , B/P , respiration , coughing , swallowing

Question 14

What are pons ?

Answer 14

Anterior to the medulla , help regulate respiration

Question 15

What is midbrain ?

Answer 15

• Regulate visual and auditory reflex

- Enclose cerebral aqueduct and helps maintain equilibrium

Question 16

What is the cerebellum ?

Answer 16

• The little brain
• Regulates muscle tone & equilibrium
• voluntary movement

Question 17

What is the cerebrum ?

Answer 17

• The largest brain (big brain)

- Responsible for thinking and memory

Question 18

What does the hypothalamus do ?

Answer 18

Regulate body tempreature
Function of the CNS
Produce ADH & oxytocin
Homeostatic function ( biological clock for daily rythm

Question 19

The gray matter on the surface if the cerebral Hemisphere is called the _______ and is made of cell bodies of the neuron ?

Answer 19

Cerebral cortex

Question 20

The outer most of the meninges is called ?

Answer 20

Dura mater

Question 21

The middle layer of the meninges is called ?

Answer 21

Arachnoid mater

Question 22

The inner most layer of the meninges is called ?

Answer 22

Pia mater

Question 23

Cerebral spinal fluid is formed from blood plasma by capillary network called , ______ found within the ventricle of the brain ?

Answer 23

Cerebral plexuses

Question 24

What are two function of the cerebral fluid ?

Answer 24

- Exchange nutrient and easy products between the CNS and blood - absorbs shock around the CNS

Question 25

What is the sensation in the face &teeth or contraction of the chewing muscle ?

Answer 25

Trigeminal

Question 26

The cranial nerve that decrease heart rate is the ?

Answer 26

Vagus

Question 27

Neurons that carry impulse from the receptors to the CNS are called ?

Answer 27

Sensory

Question 28

The part of the brain that regulate heart rate and blood pressure is ?

Answer 28

Medulla

Question 29

Cerebral spinal fluid is formed by ?

Answer 29

Choroid plexuses

Question 30

At a synapse a nerve impulse is carried by ?

Answer 30

A neurotransmitter

Question 31

What is a reflex ?

Answer 31

A voluntary response to stimuli

Question 32

Keeping the body upright is the purpose of ?

Answer 32

Stretch reflex

Question 33

The cranial nerve for hearing and equilibrium is the ?

Answer 33

Acoustic

Question 34

During the depolarization of neuron , sodium ion does what ?

Answer 34

Rush into the cell

Question 35

The spinal nerve root that is made I sensory neurons is the ?

Answer 35

Dorsal root

Question 36

What nerve is called the wondering nerve ?

Answer 36

Vagus nerve

Question 37

How many cranial nerves ?

Answer 37

12 pairs

Question 38

How many spinal nerve ?

Answer 38

31 pairs

Question 39

The myelin sheath of the CNS neuron is made by ?

Answer 39

Oligodendrocytes

Question 40

The part of the brain that regulate accessory movement ( such as gestures when speaking ) are the ?

Answer 40

Basal ganglia

Question 41

The blood brain barrier is found by anatomic features of the ?

Answer 41

Brain capillaries and osteocytes

Question 42

What does the sympathetic nerve regulate ? (Involuntary )?

Answer 42

Increase heart rate Increase blood pressure Constrict blood vessel Respond to fright or flight

Question 43

What does the parasympathetic nerve regulate ? (Return body to a restful state )

Answer 43

Decrease heart rate Increase peristalsis Increase glandular secretion

Question 44

What do the parasympathetic and sympathetic work together to ?

Answer 44

Balance body function

Question 45

What is flexor reflex ?

Answer 45

Pull away from painful stimuli

Question 46

What is reflex arc ?

Answer 46

Knee jerk involuntary response to a stimulus

Question 47

What is the stretch receptor ?

Answer 47

Keep us upright against gravity

Question 48

What is the visual area of the brain ?

Answer 48

Occipital lobes

Question 49

What is the motor area that initiate voluntary movement ?

Answer 49

Frontal lobe

Question 50

What is they general sensory area for cutaneous sensation , taste area that overlap the temporal lobe ?

Answer 50

Parietal lobe

Question 51

Temporal lope is

Answer 51

Auditory | Olfactory

Question 52

Vision

Answer 52

Optic

Question 53

Cerebrospinal fluid is found where ?

Answer 53

Into the blood in the cranial venous sinuses

Question 54

What does the ANS do ?

Answer 54

Regulate involuntary activities

Question 55

How are chemical neurotransmitter released ?

Answer 55

By axon only