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A&P I > Ch 14 The Brain and Cranial Nerves > Flashcards

Ch 14 The Brain and Cranial Nerves Flashcards

1
Q

What are the 4 major parts of the brain?

A
  1. Brainstem
  2. Cerebellum
  3. Diencephalon
  4. Cerebrum
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2
Q

where does the cerebrospinal fluid reside?

A

Subarachnoid Space

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3
Q

What is the function of CSF?

A
  1. Shock Absorber
  2. Protection from Chemical injury
  3. Circulation of nutrients and wastes removal
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4
Q

what are the structures of the brainstem

A
  1. Medulla Oblongata
  2. Pons
    Midbrain
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5
Q

This part of the brainstem is the “Vital Center”

A

Medulla Oblongata

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6
Q

This part of the brainstem is the bridge that connects right and left sides of the cerebellum, and is the respiratory center

A

The Pons

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7
Q

what part of the brain is responsible for connects the pons to diencephalon?

A

Midbrain

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8
Q

what does the midbrain do?

A
  1. Eye movement
  2. Auditory Processing
  3. Visual Processing
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9
Q

what brain structure is called the “little brain”

A

Cerebellum

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10
Q

what is the primary function of the cerebellum?

A

Coordination of muscle activity

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11
Q

what could be the cause of having damage of the cerebellum

A
  • Jerky movement
  • staggered gait
  • difficulty maintaining balance
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12
Q

where is the location of the diencephalon?

A

located beneath the cerebrum and above the brain stem

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13
Q

This gland in the brain is the relay station for most sensory tracts

A

Thalamus

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14
Q

This gland in the brain controls body function: hormone production, water balance, body temperature and sleep pattern

A

Hypthalamus

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15
Q

which part of the brain is the biggest structure out of all of them

A

Cerebrum

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16
Q

what is the structured called that helps connect the left and right hemisphere of the cerebrum

A

Corpus Callosum

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17
Q

what are the ridges called for the brian?

A

Cerebral Gyri

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18
Q

what are the deep fissures called of the brain

A

Sulci

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19
Q

what is the outer layer that is composed of gray matter of the brain

A

Cerebral Cortex

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20
Q

what does the frontal lobe control?

A
  1. Motor Function
  2. Speech
  3. Decision Making
  4. Comparing/Catergorizing
  5. Long Term Memory
  6. Forms Your personality and behavior
21
Q

Where is the Broca’s Area reside

A

Left Hemisphere

22
Q

What is the function of the Parietal Lobe

A
  1. Somatosensory area
  2. Sensation:
    * Skin
    * Pain
    * Temperature
    * Touch
    * Propioception
23
Q

What is the function of the temporal lobe

A

Helps to:
* Hear
* Smell
* Language

24
Q

in what lobe is the wernicke’s area found

A

Temporal Lobe

25
Q

what is the funciton of the occipital lobe

A

Helps with sight and depth perception and 3d sight

26
Q

Cranial Nerve I

A

Olfactory

27
Q

Cranial Nerve II

A

Optic

28
Q

Cranial Nerve III

A

Oculomotor

29
Q

Cranial Nerve IV

A

Trochlear

30
Q

Cranial Nerve V

A

Trigeminal

31
Q

Cranial Nerve VI

A

Abducens

32
Q

Cranial Nerve VII

A

Facial

33
Q

Cranial Nerve VIII

A

Vestibulocochlear

34
Q

Cranial Nerve IX

A

Glossopharyngeal

35
Q

Cranial Nerve X

A

Vagus

36
Q

Cranial Nerve XI

A

(Spinal) Accessory

37
Q

Cranial Nerve XII

A

Hypoglossal

38
Q

This nerve is all sensory and connects the nerve’s bulbs from the nose to temporal lobe

A

Olfactory Nerve (I)

39
Q

This nerve is all sensory, this nerve also comes together at a chiasm

A

Optic Nerve (II)

40
Q

How does the optic chiasm work

A

The fibers from the medial side of the eye crosses over to the other side while the lateral side remains ipsilateral

41
Q

This nerve is all motor only and controls the muscles that move the eyeball

A

Oculomotor (III), Trochlear (IV), & Abducens (VI)

42
Q

This nerve is the largest cranial nerve, mixed with motor and sensation

A

Trigeminal Nerve (V)

43
Q

what are the 3 regions of the trigeminal nerve

A
  1. Ophthalmic
  2. Maxilary
  3. Mandibular
44
Q

This nerve is a mix of motor and sensory, controls the muscles of the face for expression and mastication

A

Facial Nerves (VII)

45
Q

This nerve is sensory nerve and has two branches that are equilibrium and hearing

A

Vestibulocochlear Nerve VIII

46
Q

This is a mixed nerve that has senses for taste buds, monitors blood pressure and CO levels, and motor muscles that assist in swallowing

A

Glossopharyngeal Nerve (IX)

47
Q

This is a mixed nerve : muscles for swallowing, vocalizing and coughing
Sensory : sensation around the ear, has some taste buds, and sensory receptors in most organs of the abdomen and thoracic regions

A

Vagus nerve (X)

48
Q

This nerve is a mixed nerve that coordinates head movement by supplying the SCM and traps

A

Spinal Accessory Nerve (XI)

49
Q

This nerve is motor only and supplies muscles of the tounge for moving and swallowing food

A

Hypoglossal Nerve (XII)

A&P I (13 decks)

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