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Anatomy > nervous system > Flashcards

nervous system Flashcards

1
Q

What are 7 main functions of the nervous system?

A
  1. coordinates all body functions, internally and externally 2. memory, intelligence, and reasoning (decision making) 3. controls emotions, feelings, and preferences 4. controls coordination and balance 5. 5 sensory connections (receives info) 6. responding to stimuli 7. controls automatic/reflex actions
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2
Q

What are the 3 main divisions of the nervous system?

A

central nervous system (CNS), Peripheral Nervous System (PNS), Autonomic Nervous System (ANS)

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3
Q

The central nervous system (CNS) includes what two things?

A

brain and spinal cord

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4
Q

The peripheral nervous system (PNS) includes what?

A

all the nerves connected to the brain and spinal cord

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5
Q

The autonomic Nervous system (ANS) controls?

A

automatic, involuntary, and reflex actions

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6
Q

What are the 3 types of nerve cells?

A

sensory neurons, associative neurons, and motor neurons

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7
Q

What is the function of each type of nerve cell?

A

sensory neurons - receive messages through 5 senses associative neurons - carry messages to the brain motor neurons - respond to the messages

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8
Q

What are the 6 main parts of the human brain?

A

cerebrum, thalamus, hypothalamus, midbrain, Pons, Medulla Oblongata, Cerebellum

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9
Q

What is the function of the cerebrum?

A

responsible for memory, intelligence, and sensations

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10
Q

What is the function of the Thalamus?

A

relay and process center for information

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11
Q

What is the function of the hypothalamus?

A

emotions and hormone production

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12
Q

What is the function of the Midbrain?

A

center for visual and auditory information

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13
Q

What is the function of the Pons?

A

automatic functions (visceral control), reflexes

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14
Q

What is the function of the Medulla Oblongata:

A

connection to the spinal cord, heart rate, blood pressure, and respiration

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15
Q

What is the function of the cerebellum?

A

regulates all muscular functions (movements) internal and external

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16
Q

Explain the factors of intelligence. What is it determined by?

A

it is determined by a quotient combination of… 1. Hereditary - genetic 2. Experiences - opportunities

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17
Q

What is short term memory?

A

does not last long, recall immediately - small bits of information - 0 to 72 hours on average

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18
Q

What is long term memory?

A

remain for a long time - more personal, impactful, important, significant

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19
Q

Name the 5 senses?

A

touch, smell, hearing, sight, and taste

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20
Q

What are the 2 protections around the brain and spinal cord?

A

meninges - fluid and bone structure

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21
Q

Why are spinal injuries so dangerous and what determines paralysis?

A

they can be permanent and temporary and their connected to the brain and the cells can’t grow

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22
Q

What is paralysis?

A

loss of feeling, control and movement of a certain area of the body

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23
Q

What happens when a person loses the use of one of the senses?

A

when one system fails, the remain systems become sharper

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24
Q

How are the eyes connected to the brain?

A

optic nerve

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25
Q

How are the ears connected to the brain?

A

auditory nerve

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26
Q

How is smell connected to the brain?

A

olfactory nerve

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27
Q

How is taste connected to the brain?

A

olfactory nerve

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28
Q

How is touch connected to the brain?

A

millions of neurons in skin that feel: pain, pressure, hot, and cold

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29
Q

What are the changes in the nervous system that take place as a person ages?

A
  • reduction in brain size and wight - reduction in # of neurons - decrease in blood flow to brain - less memory (forgetting)
30
Q

what is a nerve cell composed of? (4 parts)

A

cell body, dendrites, axons, and synaptic terminals

31
Q

What is the cell body?

A

the center of the cell

32
Q

What are the dendrites?

A

branches in the cell

33
Q

What are the axons?

A

they carry messages

34
Q

What are synaptic terminals?

A

path of nerves

35
Q

why are nerve cells different?

A

Neurons differ from other cells because neurons have extensions called axons and dendrites

36
Q
  1. coordinates all body functions, internally and externally 2. memory, intelligence, and reasoning (decision making) 3. controls emotions, feelings, and preferences 4. controls coordination and balance 5. 5 sensory connections (receives info) 6. responding to stimuli 7. controls automatic/reflex actions
A

What are 7 main functions of the nervous system?

37
Q

central nervous system (CNS), Peripheral Nervous System (PNS), Autonomic Nervous System (ANS)

A

What are the 3 main divisions of the nervous system?

38
Q

brain and spinal cord

A

The central nervous system (CNS) includes what two things?

39
Q

all the nerves connected to the brain and spinal cord

A

The peripheral nervous system (PNS) includes what?

40
Q

automatic, involuntary, and reflex actions

A

The autonomic Nervous system (ANS) controls?

41
Q

sensory neurons, associative neurons, and motor neurons

A

What are the 3 types of nerve cells?

42
Q

sensory neurons - receive messages through 5 senses associative neurons - carry messages to the brain motor neurons - respond to the messages

A

What is the function of each type of nerve cell?

43
Q

cerebrum, thalamus, hypothalamus, midbrain, Pons, Medulla Oblongata, Cerebellum

A

What are the 6 main parts of the human brain?

44
Q

responsible for memory, intelligence, and sensations

A

What is the function of the cerebrum?

45
Q

relay and process center for information

A

What is the function of the Thalamus?

46
Q

emotions and hormone production

A

What is the function of the hypothalamus?

47
Q

center for visual and auditory information

A

What is the function of the Midbrain?

48
Q

automatic functions (visceral control), reflexes

A

What is the function of the Pons?

49
Q

connection to the spinal cord, heart rate, blood pressure, and respiration

A

What is the function of the Medulla Oblongata:

50
Q

regulates all muscular functions (movements) internal and external

A

What is the function of the cerebellum?

51
Q

it is determined by a quotient combination of… 1. Hereditary - genetic 2. Experiences - opportunities

A

Explain the factors of intelligence. What is it determined by?

52
Q

does not last long, recall immediately - small bits of information - 0 to 72 hours on average

A

What is short term memory?

53
Q

remain for a long time - more personal, impactful, important, significant

A

What is long term memory?

54
Q

touch, smell, hearing, sight, and taste

A

Name the 5 senses?

55
Q

meninges - fluid and bone structure

A

What are the 2 protections around the brain and spinal cord?

56
Q

they can be permanent and temporary and their connected to the brain and the cells can’t grow

A

Why are spinal injuries so dangerous and what determines paralysis?

57
Q

loss of feeling, control and movement of a certain area of the body

A

What is paralysis?

58
Q

when one system fails, the remain systems become sharper

A

What happens when a person loses the use of one of the senses?

59
Q

optic nerve

A

How are the eyes connected to the brain?

60
Q

auditory nerve

A

How are the ears connected to the brain?

61
Q

olfactory nerve

A

How is smell connected to the brain?

62
Q

olfactory nerve

A

How is taste connected to the brain?

63
Q

millions of neurons in skin that feel: pain, pressure, hot, and cold

A

How is touch connected to the brain?

64
Q
  • reduction in brain size and wight - reduction in # of neurons - decrease in blood flow to brain - less memory (forgetting)
A

What are the changes in the nervous system that take place as a person ages?

65
Q

cell body, dendrites, axons, and synaptic terminals

A

what is a nerve cell composed of? (4 parts)

66
Q

the center of the cell

A

What is the cell body?

67
Q

branches in the cell

A

What are the dendrites?

68
Q

they carry messages

A

What are the axons?

69
Q

path of nerves

A

What are synaptic terminals?

70
Q

Neurons differ from other cells because neurons have extensions called axons and dendrites

A

why are nerve cells different?

Anatomy (6 decks)

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