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

Nervous System Part 3 Flashcards

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
Q

What are the general sensory association areas of the parietal lobe?

A

Superior Parietal lobule

Inferior parietal lobule

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26
Q

What separates the superior and inferior parietal lobules

A

Interparietal sulcus

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27
Q

At the top of the lateral fissure you will find which gyrus?

A

Supramarginal gyrus

28
Q

What gyrus is right behind the supramarginal gyrus?

A

Angular gyrus

29
Q

Provides sensory tactile feedback to guide motor tasks and also is a small part of wernicke’s area

A

Supramarginal gyrus

30
Q

What is wernicke’s area?

A

Speech comprehension area

31
Q

Lesion of the supramarginal gyrus could cause what 2 disorders?

A

Dyspraxia (motor planning issues NOT memory related)

Receptive aphasia

32
Q

Provides texture descrimination input for sensory feedback for motor tasks

A

Supramarginal Gyrus

33
Q

Ideational disorder?

A

Doesn’t know what motor task to do

*supramarginal gyrus problem

34
Q

Ideamotor disorder?

A

Knows what task to do but can’t do it

*supramarginal gyrus problem

35
Q

Problems here cause dyspraxia

A

Supramarginal gyrus

36
Q

A pt. cant remember how to put his coat on? What portion of the cerebral cortex is there a problem with?

A

SMA (supplementary motor area)

37
Q

Area responsible for reading association

A

Angular Gyrus

38
Q

80-85% of brain is _______ cortex

A

association cortex

39
Q

A problem here can cause

Dyslexia
Agraphia
Acalculia
Finger Agnosia
Left-right disorientation

A

Angular Gyrus

40
Q

What separates the parietal lobe from the occiptal lobe?

A

Parieto-occiptal sulcus

41
Q

The primary visual area is in which cortex? (be specific)

A

Medial occipital cortex

42
Q

The primary visual cortex receives info from what?

A

Thalamic relay nuclei (lateral nuclei)

43
Q

A lesion where would cause cortical blindness

A

Primary visual cortex

44
Q

A lesion here = visual agnosia

A

Association visual cortex

45
Q

What does visual agnosia mean?

A

Can see but cant process/identify what they are seeing

46
Q

What gyrus is the auditory cortex?

A

Anterior transverse temporal gyri

47
Q

AKA Heschel’s Convolutions

A

Anterior transverse temporal gyri

48
Q

Auditory cortex recieves info from where

A

Thalamic auditory relay nuclei (medial nuclei)

*aka CN VIII (vestibulocochlear n.)

49
Q

What lobe is most of Wernike’s area located on?

A

Temporal

50
Q

Problem w/ wernicke’s area = _____ _______

A

Receptive aphasia

51
Q

What pathway connects Broca’s & Wernicke’s areas?

A

Arcuate fasciculus

52
Q

Where is there lesion if pt. can speak well but just cant repeat speech?

A

Arcuate fasciculus

53
Q

Loss of both broca’s and wernicke’s area = ______ ______

A

global aphasia

54
Q

Area responsible for speech production

A

Broca’s area

55
Q

Area responsible for speech comprehension

A

Wernicke’s area

56
Q

What area of the cerebral cortex is not routed through the thalamus?

A

Piriform Cortex

57
Q

Primary olfactory area

A

Piriform cortex

58
Q

Area responsible for emotional response to olfaction

A

Entorhinal cortex

59
Q

Responsible for emotional control & converting short-term memory to long-term memory

A

Hippocampus

60
Q

One of the first structures affected by alzheimer’s disease

A

Hippocampus

61
Q

The hippocampus connects to the ______

A

Fornix

62
Q

Structure in the middle of the lateral ventricles (middle part of them) and also separates the fornix and corpus callosum

A

Septum pellucidum

63
Q

Responsible for emotional memory (PTSD) and emotional fear

A

Amygdala

64
Q

This lobe lies deep within the lateral fissure

A

Insular lobe

65
Q

Responsible for compassion and emphathy and self awareness

A

Insular lobe

AFN Anatomy Exam II Review (13 decks)

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