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Anatomy Test 4 > Chapter 13 Part 1 > Flashcards

Chapter 13 Part 1 Flashcards

1
Q

Identify gyrus

A

Folds on the outer surface of the brain

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2
Q

3- Differentiate between commissures, association fibers, projection fibers.

A

Commisures - extend between hemispheres

Projection - Link cerebral cortex to inferior brain regions and spinal cord

Association - Connect different regions of cerebral cortex within same hemisphere

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3
Q

4- Compare the distribution of gray matter and white matter in the cerebrum and spinal cord.

A

Cerebrum: white matter deep to gray matter, clusters of gray matter within white matter

Spinal cord: Grey matter in the spinal cord is located deep to the white matter.

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4
Q

5- What are the three meninges of the CNS?

From deep to superficial

A

pia mater
arachnoid mater
dura mater

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5
Q

6- Describe the locations of the three meninges in relation to the brain.

A

Pia mater: Innermost of cranial meninges

Arachnoid mater: Lies external to pia mater

Dura mater: Lies external to arachnoid mater

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6
Q

7- Name the layers of the dura mater and the space between them when it exists.

A

Meningeal layer

Periostial layer

Epidural space

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7
Q

Where is the subdural space

A

space between arachnoid and dura mater

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8
Q

1- What are the four major regions of the brain?

A

diencephalon
brainstem
cerebellum
cerebrum

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9
Q

Identify sulcus

A

Shallow depression on surface of brain

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10
Q

Identify longitudinal fissure

A

Deeper groove

Splits left and right hemispheres

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11
Q

Identify transverse fissure

A

Separates cerebellum from left and right hemispheres

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12
Q

Identify cerebral hemispheres

A

Left cerebral hemispheres

Right cerebral hemisphere

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13
Q

Identify cerebral cortex

A

•superficial region of gray matter, termed cerebral cortex

Surface of cerebrum

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14
Q

Identify tract

A

Bundles of axons

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15
Q

Identify arachnoid villi

A

Finger like extensions of the arachnoid mater

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16
Q

Function of Choroid plexus

A

Produces CSF in the ventricles

17
Q

What is the function of the epidural space?

A

Becomes real space if blood or fluid accumulates

18
Q

Subarachnoid space contains?

A

CSF

19
Q

Where epidural space

A

potential space between dura mater and bones of the skull

20
Q

What are cranial dural septa

A

Double layers of dura mater

Extend as flat partitions into the cranial cavity

21
Q

2 function of cranial dural septa

A

Separate specific parts of the brain

Stabilize and support the brain

22
Q

Name 4 ventricles of brain

A

Two lateral ventricles

Third ventricle

Fourth ventricle

23
Q

Locate 4 ventricles

A

Two lateral = cerebrum

Third= diencephalon

Fourth= between pons and cerebellum

24
Q

What are the third and fourth ventricles function

A

Third= communicate with each lateral ventricle

Fourth= communicates with third ventricle

25
Q

What is CSF? Where is it?

A

Clear, colorless watery solution.

Circulates in ventricles and subarachnoid space

26
Q

CSF 3 main function

A

Buoyancy

Protection

Environmental stability

27
Q

Where is CSF first produced

A

Choroid plexus

28
Q

What are 5 lobes of cerebrum

A

rontal, parietal, temporal, occipital, insula

29
Q

Frontal lobe 3 main function

A

primarily concerned with:
–voluntary motor functions
–concentration and verbal communication
–decision making, planning, and personality

30
Q

Parietal lobe function

A

primarily concerned with:

–general sensory functions

31
Q

Temporal lobe function

A

nvolved with hearing and smell

32
Q

Occipital lobe function

A

processing visual information

33
Q

Insula 2 main function

A

involved in:
–memory
–interpretation of taste

34
Q

What are the 3 functional areas of cerebrum

A

motor areas
sensory areas
association areas

35
Q

Motor areas function

A

Control voluntary motor function

36
Q

Sensory areas function

A

receives and processes sensory information

37
Q

Association areas function

A

Process and interpret data or coordinate motor response

38
Q

What motor area located in precentral gyrus

A

Primary motor cortex located in precentral gyrus of frontal lobe

39
Q

What part of sensory area housed in postcentral gyrus

A

Primary somatosensory cortex

Anatomy Test 4 (7 decks)

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