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A&p Quiz#2 term 3 neuro > Neuro > Flashcards

Neuro Flashcards

0
Q

The peripheral nervous system consist of what ?

A

Cranial nerve

Spinal nerve

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1
Q

The central nervous system consist of what ?

A

Brain

Spinal cord

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2
Q

A nerve call is called ?

A

Neuron

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3
Q

What are the 3 major parts of the neuron ?

A

Cell body
Axon
Dendrite

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4
Q

Where do axon carry impulses ?

A

Away from the call body

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5
Q

What does the cell body contain ?

A

Nucleous by the neuron

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6
Q

Where does the dendrite carry impulses ?

A

Towards the cell body

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7
Q

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

A

The synapse

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8
Q

What is the function of the myelin sheath ?

A

Provides electrical insulation to the neuron

Allow impulses to flow efficienly

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9
Q

Name the in activator for the neurotransmitter acetylcholine ?

A

Cholinesterase

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10
Q

What are sensory neurons ?

A

Afferent neurons

Carry impulses from the receptors to the CNS

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11
Q

What are motor neurons ?

A

Efferent neurons

Carry impulses from the CNS To the effectors

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12
Q

What are two functions of the spinal cord?

A

Transmit impulses to and from the brain

Is the center for spinal cord reflexes

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13
Q

What does the medulla do ?

A
  • V/S

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

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14
Q

What are pons ?

A

Anterior to the medulla , help regulate respiration

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15
Q

What is midbrain ?

A
  • Regulate visual and auditory reflex

- Enclose cerebral aqueduct and helps maintain equilibrium

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16
Q

What is the cerebellum ?

A
  • The little brain
  • Regulates muscle tone & equilibrium
  • voluntary movement
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17
Q

What is the cerebrum ?

A
  • The largest brain (big brain)

- Responsible for thinking and memory

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18
Q

What does the hypothalamus do ?

A

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

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19
Q

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

A

Cerebral cortex

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20
Q

The outer most of the meninges is called ?

A

Dura mater

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21
Q

The middle layer of the meninges is called ?

A

Arachnoid mater

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22
Q

The inner most layer of the meninges is called ?

A

Pia mater

23
Q

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

A

Cerebral plexuses

24
Q

What are two function of the cerebral fluid ?

A
  • Exchange nutrient and easy products between the CNS and blood
  • absorbs shock around the CNS
25
Q

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

A

Trigeminal

26
Q

The cranial nerve that decrease heart rate is the ?

A

Vagus

27
Q

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

A

Sensory

28
Q

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

A

Medulla

29
Q

Cerebral spinal fluid is formed by ?

A

Choroid plexuses

30
Q

At a synapse a nerve impulse is carried by ?

A

A neurotransmitter

31
Q

What is a reflex ?

A

A voluntary response to stimuli

32
Q

Keeping the body upright is the purpose of ?

A

Stretch reflex

33
Q

The cranial nerve for hearing and equilibrium is the ?

A

Acoustic

34
Q

During the depolarization of neuron , sodium ion does what ?

A

Rush into the cell

35
Q

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

A

Dorsal root

36
Q

What nerve is called the wondering nerve ?

A

Vagus nerve

37
Q

How many cranial nerves ?

A

12 pairs

38
Q

How many spinal nerve ?

A

31 pairs

39
Q

The myelin sheath of the CNS neuron is made by ?

A

Oligodendrocytes

40
Q

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

A

Basal ganglia

41
Q

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

A

Brain capillaries and osteocytes

42
Q

What does the sympathetic nerve regulate ? (Involuntary )?

A

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

43
Q

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

A

Decrease heart rate
Increase peristalsis
Increase glandular secretion

44
Q

What do the parasympathetic and sympathetic work together to ?

A

Balance body function

45
Q

What is flexor reflex ?

A

Pull away from painful stimuli

46
Q

What is reflex arc ?

A

Knee jerk involuntary response to a stimulus

47
Q

What is the stretch receptor ?

A

Keep us upright against gravity

48
Q

What is the visual area of the brain ?

A

Occipital lobes

49
Q

What is the motor area that initiate voluntary movement ?

A

Frontal lobe

50
Q

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

A

Parietal lobe

51
Q

Temporal lope is

A

Auditory

Olfactory

52
Q

Vision

A

Optic

53
Q

Cerebrospinal fluid is found where ?

A

Into the blood in the cranial venous sinuses

54
Q

What does the ANS do ?

A

Regulate involuntary activities

55
Q

How are chemical neurotransmitter released ?

A

By axon only

A&p Quiz#2 term 3 neuro (1 decks)

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