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AFN Anatomy Exam II Review > Nervous System Part 3 > Flashcards

Nervous System Part 3 Flashcards

(65 cards)

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1
Q

Separates the cerebral cortex sagittally

A

Median longitudinal fissure

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2
Q

Primary receiving area for general sensation

A

Postcentral gyrus

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3
Q

Primary motor area

A

Precentral gyrus

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4
Q

Crack between the precentral and postcentral gyri

A

Central sulcus

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5
Q

Crack in front of the precentral gyrus

A

Precentral sulcus

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6
Q

Crack behind the postcentral gyrus

A

Poscentral sulcus

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7
Q

Crack that makes the cerebrum look like a hand

A

Lateral fissure

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8
Q

Originates most corticospinal tract motor fibers

A

Precentral gyrus

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9
Q

Superior gyri directly in front of the precentral gyri

A

supplementary motor area

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10
Q

Lateral gyri directly in front of the precentral gyri

A

premotor cortex

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11
Q

Controls the trunk and proximal muscles

A

premotor cortex

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12
Q

Controls voluntary fine digital movement

A

Primary motor cortex

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13
Q

plans the performance of a sequence of movements from memory

A

Supplementary motor area

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14
Q

Small superior area of gyri directly in front of the SMA

A

Frontal eye fields

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15
Q

Voluntary control of extraocular movements

A

Frontal eye fields

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16
Q

Most anterior gyri of the frontal lobe

A

Prefrontal cortex

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17
Q

CEO of the brain

A

Prefrontal cortex

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18
Q

Broca’s motor speech area

A

Pars Triangularis

Pars Opercularis

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19
Q

Broca’s motor speech area is dominant on the ____ side

A

left side

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20
Q

A lesion here would cause expressive aphasia

A

Broca’s motor speech area

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21
Q

Primary somesthetic area

A

Postcentral gyrus

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22
Q

Brodmann’s area 3,1,2

A

Postcentral gyrus

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23
Q

Somethesis means what

A

general sensation

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24
Q

Postcentral gyrus communicates w/ the ________ _________

A

Lateral thalamus

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25
What are the general sensory association areas of the parietal lobe?
Superior Parietal lobule Inferior parietal lobule
26
What separates the superior and inferior parietal lobules
Interparietal sulcus
27
At the top of the lateral fissure you will find which gyrus?
Supramarginal gyrus
28
What gyrus is right behind the supramarginal gyrus?
Angular gyrus
29
Provides sensory tactile feedback to guide motor tasks and also is a small part of wernicke's area
Supramarginal gyrus
30
What is wernicke's area?
Speech comprehension area
31
Lesion of the supramarginal gyrus could cause what 2 disorders?
Dyspraxia (motor planning issues NOT memory related) Receptive aphasia
32
Provides texture descrimination input for sensory feedback for motor tasks
Supramarginal Gyrus
33
Ideational disorder?
Doesn't know what motor task to do *supramarginal gyrus problem
34
Ideamotor disorder?
Knows what task to do but can't do it *supramarginal gyrus problem
35
Problems here cause dyspraxia
Supramarginal gyrus
36
A pt. cant remember how to put his coat on? What portion of the cerebral cortex is there a problem with?
SMA (supplementary motor area)
37
Area responsible for reading association
Angular Gyrus
38
80-85% of brain is _______ cortex
association cortex
39
A problem here can cause Dyslexia Agraphia Acalculia Finger Agnosia Left-right disorientation
Angular Gyrus
40
What separates the parietal lobe from the occiptal lobe?
Parieto-occiptal sulcus
41
The primary visual area is in which cortex? (be specific)
Medial occipital cortex
42
The primary visual cortex receives info from what?
Thalamic relay nuclei (lateral nuclei)
43
A lesion where would cause cortical blindness
Primary visual cortex
44
A lesion here = visual agnosia
Association visual cortex
45
What does visual agnosia mean?
Can see but cant process/identify what they are seeing
46
What gyrus is the auditory cortex?
Anterior transverse temporal gyri
47
AKA Heschel's Convolutions
Anterior transverse temporal gyri
48
Auditory cortex recieves info from where
Thalamic auditory relay nuclei (medial nuclei) *aka CN VIII (vestibulocochlear n.)
49
What lobe is most of Wernike's area located on?
Temporal
50
Problem w/ wernicke's area = _____ _______
Receptive aphasia
51
What pathway connects Broca's & Wernicke's areas?
Arcuate fasciculus
52
Where is there lesion if pt. can speak well but just cant repeat speech?
Arcuate fasciculus
53
Loss of both broca's and wernicke's area = ______ ______
global aphasia
54
Area responsible for speech production
Broca's area
55
Area responsible for speech comprehension
Wernicke's area
56
What area of the cerebral cortex is not routed through the thalamus?
Piriform Cortex
57
Primary olfactory area
Piriform cortex
58
Area responsible for emotional response to olfaction
Entorhinal cortex
59
Responsible for emotional control & converting short-term memory to long-term memory
Hippocampus
60
One of the first structures affected by alzheimer's disease
Hippocampus
61
The hippocampus connects to the ______
Fornix
62
Structure in the middle of the lateral ventricles (middle part of them) and also separates the fornix and corpus callosum
Septum pellucidum
63
Responsible for emotional memory (PTSD) and emotional fear
Amygdala
64
This lobe lies deep within the lateral fissure
Insular lobe
65
Responsible for compassion and emphathy and self awareness
Insular lobe

AFN Anatomy Exam II Review (13 decks)

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