Nervous System Part.B Flashcards

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1
Q

What does the C.N.S consiste of

A

Brain and spinal cord

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2
Q

What do the brain and spinal cord serve

A

Coordination

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3
Q

Both brain and spinal cord are protected by:

A

Bones and meninges

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4
Q

What fills the spaces between the membranes

A

Cerebrospinal fluid (CSF)

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5
Q

What does cerebrospinal fluid provide

A

Cushioning and protection and nourishment for tissue and cells

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6
Q

What are the 3 meninges membranes

A

Dura Mater, Aracnoid, Pia Mater

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7
Q

What is Dura Mater

A

Under the skull, tough and full of blood vessels

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8
Q

What is aracnoid

A

Thin and delicate webbed membrane

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9
Q

What is Pia Mater

A

Closes to brain, membrane loaded with blood vessels

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10
Q

What is the hole called that connects brain and spinal cord

A

Foramen magnum

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11
Q

What are the two main functions of the spinal cord

A
  1. Connect the peripheral nervous system to brain
  2. Coordinate many reflex responses without brain
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12
Q

How to know Wich side is dorsal and ventral of spinal cord

A

Bumpy side is dorsal and has a lump in root

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13
Q

How to know Wich side is ventral

A

Thick side of H is ventral

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14
Q

3 distinct regions of brain

A

Forebrain, midbrain and hindbrain

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15
Q

What sections is the forebrain separated into

A

Cerebrum, thalamus and hypothalamus

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16
Q

What 3 sections is hindbrain separated into

A

Pons, medulla oblongata, cerebellum

17
Q

What is the cerebrum covered by (part of forebrain)

A

Cerebral cortex

18
Q

What are the two hemispheres of the brain joined by

A

Corpus callosum

19
Q

Brain devided into four

A

Frontal, parietal, occipital, temporal

20
Q

What does thalamus do (forebrain)

A

Relay Center for nerve impulse

21
Q

What 4 things does hypothalamus do (forebrain)

A

Below thalamus, controls autonomic functions, human drives controlled by this, produces hormones

22
Q

What are the 4 bundles of grey matter called in the midbrain

A

Reticular formation

23
Q

What does the medulla oblongata do (hindbrain)

A

Control Center for breathing, heart rate, blood pressure

24
Q

What does the cerebellum do (hindbrain)

A

Controls fine motor skills, being drunk affects this, affects balance

25
Q

What does the pons do (hindbrain)

A

Bridge between medulla and cerebellum

26
Q

What does the autonomic n.s break into

A

Sympathetic and parasympathetic

27
Q

Where do the sympathetic neurons originate from

A

Spinal cord

28
Q

Where do the parasympathetic neurons originate from

A

Brain and lower lumbar region

29
Q

What does sympathetic do

A

Fight of flight

30
Q

What does parasympathetic do

A

Rest and digest

31
Q

What is an important nerve in parasympathetic and what does it do

A

Vagus nerve, controls lungs liver heart rate…

32
Q

What does the digestive system do in parasympathetic and sympathetic

A

Peristalsis goes down then up (break down food)

33
Q

What does the liver do during sympathetic and parasympathetic

A

Releases glucose then stored glucose as glycogen