CNS Flashcards

1
Q

What are the three meninges surrounding the brain?

A

dura mater, arachnoid mater, pia mater

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2
Q

What is CSF?

A

Fluid that bathes the brain and spinal cord

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3
Q

What are the three functions of CSF?

A

1.Shock absorption
2.Nutrients
3.Immune protection

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4
Q

Where is CSF made?

A

Choroid plexus in ventricles

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5
Q

What space does CSF occupy

A

Subarachnoid space

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6
Q

Where does CSF enter the blood stream

A

Reabsorbed through arachnoid granulation

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7
Q

What are the ventricles?

A

2 lateral
1 3rd
1 4th

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8
Q

What is the blood brain barrier

A

Special capillaries restrict the flow of many substances

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9
Q

What is the blood CSF barrier

A

more permeable, choroid plexus filters blood

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10
Q

What is the corpus callosum?

A

Nerve fibers that join the two halves of the brain together

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11
Q

What are sulci?

A

Grooves in the cerebrum

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12
Q

What are gyri?

A

Raised areas on the cerebrum

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13
Q

Which lobe of the cerebrum is the site of complex problem solving?

A

Frontal lobe

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14
Q

What lobe of the cerebrum contains the visual processing center?

A

Occipital lobe

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15
Q

What lobe of the cerebrum contains the auditory processing center?

A

Temporal lobe

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16
Q

Where is the sensory cortex located?

A

Parietal lobe

17
Q

Where is the motor cortex located?

A

Frontal lobe

18
Q

What is the function of Broca’s area?

A

Controlling/producing speech

19
Q

What is the function of Wernicke’s area?

A

Interpreting auditory code

20
Q

What is the function of the sensory cortex?

A

receives info from skin surface

21
Q

What is the function of the motor cortex?

A

controls voluntary movement

22
Q

Which part of the brain is responsible for coordination and balance?

A

Cerebellum

23
Q

How would the cerebellum be activated when we drive a car?

A

moving our foot from gas to break, keeping self sitting up right, moving hands on the wheel

24
Q

Which part of the brain includes the hypothalamus and regulates body temperature

A

Diencephalon

25
What is the function of the pineal gland?
produces melatonin
26
Which structure within the diencephalon relays sensory information to the cerebrum and transmits replies to the cerebellum?
Thalamus
27
Which part of the brain controls basic functions like heart and breathing rates?
Brain stem
28
What three structures make up the brain stem
Midbrain Pons Medulla Oblongata
29
What structure is usually the first to be damaged in Alzheimer's disease?
Hippocampus
30
What does the hippocampus do?
The hippocampus encodes long term memories.
31
What is the amygdala
Controls strong emotions such as fear and anger
32
How is the amygdala involved in memories
Attaches emotional significance to memories
33
How would the amygdala be used when we drive a car?
Road rage