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DPT 692 - Neuroscience > Blood Supply - Revision > Flashcards

Blood Supply - Revision Flashcards

1
Q

Anterior circulation to the plain is supplied by = ?

Blood Supply

A

Anterior circulation to the plain is supplied by internal carotid artery.

  • Branch of common carotid artery
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2
Q

Posterior circulation to the brain is supplied by = ?

Blood Supply

A

Posterior circulation to the brain is supplied by vertebral artery.

  • Branch of Subclavian artery
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3
Q

Circle of Willis

A connected ring of arteries that supply blood to various areas of the = ?

Blood Supply

A

Circle of Willis:

- A connected ring of arteries that supply blood to various areas of the cerebral hemispheres.

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4
Q

Cerebral Arteries

Anterior cerebral artery supplies = ?

Blood Supply

A

Cerebral Arteries:

- Anterior cerebral artery supplies:

  • Medial frontal and parietal lobes
  • Anterior caudate
  • Putamen
  • Anterior limb of the internal capsule
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5
Q

Cerebral Arteries

Middle cerebral artery supplies = ?

Blood Supply

A

Cerebral Arteries:

- Middle cerebral artery supplies:

  • Parts of the basal ganglia such as the Globus pallidus, putamen, and body of caudate
  • Most of the lateral hemisphere
  • Genu of the internal capsule
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6
Q

Cerebral Arteries

Posterior cerebral artery supplies = ?

Blood Supply

A

Cerebral Arteries:

- Posterior cerebral artery supplies:

  • Midbrain
  • Occipital lobe
  • Inferomedial temporal lobe
  • Most of the thalamus
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7
Q

Cerebral Arteries

Which artery supplies…

  • Medial frontal and parietal lobes
  • Anterior caudate
  • Putamen
  • Anterior limb of the internal capsule

Blood Supply

A

Cerebral Arteries:

- Anterior cerebral artery supplies:

  • Medial frontal and parietal lobes
  • Anterior caudate
  • Putamen
  • Anterior limb of the internal capsule
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8
Q

Cerebral Arteries

Which artery supplies…

  • Globus pallidus, putamen, and body of caudate
  • Most of the lateral hemisphere
  • Genu of the internal capsule

Blood Supply

A

Cerebral Arteries:

- Middle cerebral artery supplies:

  • Parts of the basal ganglia such as the Globus pallidus, putamen, and body of caudate
  • Most of the lateral hemisphere
  • Genu of the internal capsule
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9
Q

Cerebral Arteries

Which artery supplies…

  • Midbrain
  • Occipital lobe
  • Inferomedial temporal lobe
  • Most of the thalamus

Blood Supply

A

Cerebral Arteries:

- Posterior cerebral artery supplies:

  • Midbrain
  • Occipital lobe
  • Inferomedial temporal lobe
  • Most of the thalamus
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10
Q

Occlusion of the anterior cerebral artery, results in = ?

Blood Supply

A

Occlusion - Anterior Cerebral Artery:

  • Personality changes
  • Contralateral hemiplegia
  • Hemisensory loss

(More severe in the lower limbs)

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11
Q

Occlusion of the middle cerebral artery, results in = ?

Blood Supply

A

Occlusion - Middle Cerebral Artery:

  • Homonymous hemianopia with contralateral hemiplegia and hemisensory loss.
  • Effects the upper limbs and face.
  • Language impacted in L-hemisphere.
  • Nonverbal communication impacted in R-hemisphere.
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12
Q

Occlusion of the posterior cerebral artery, results in = ?

Blood Supply

A

Occlusion - Posterior Cerebral Artery:

  • Paralysis of eye movement muscles and visual agnosia.
  • Cortical blindness and thalamic syndrome.
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13
Q

Anterior Cerebral Artery

Somatosensory = ?

Blood Supply

A

- Anterior Cerebral Artery:

Somatosensory = Loss of sensation in lower limb

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14
Q

Anterior Cerebral Artery

Motor = ?

A

- Anterior Cerebral Artery:

  • Motor = Aparaxia; hemiaplegia (lower limb more affected than upper limb and face); impaire gait
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15
Q

Anterior Cerebral Artery

Special Senses and Autonomic Function = ?

A

- Anterior Cerebral Artery:

  • Special Senses and Autonomic Function = No changes
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16
Q

Anterior Cerebral Artery

Emotions and Behavior = ?

A

- Anterior Cerebral Artery:

  • Emotions and Behavior = Flat affect; umpulsiveness; perseveration; confusion; motor inactivity.
17
Q

Anterior Cerebral Artery

Cognition, Language, Memory = ?

A

- Anterior Cerebral Artery:

  • Cognition, Language, Memory = Difficulty with divergent thinking.
18
Q

Anterior Cerebral Artery

Other = ?

A

- Anterior Cerebral Artery:

  • Other = Urinary incontinence
19
Q

Middle Cerebral Artery

Somatosensory = ?

Blood Supply

A

- Middle Cerebral Artery:

Somatosensory = Hemiaanesthesia affecting face and upper limb.

20
Q

Middle Cerebral Artery

Motor = ?

A

- Middle Cerebral Artery:

Motor = Face and uppe rlimb more impaired than lower limb; if striate arteries involved lower limb paresis or paralysis in addition to face and upper limb.

21
Q

Middle Cerebral Artery

Special Senses and Autonomic Function = ?

A

- Middle Cerebral Artery:

Special Senses and Autonomic Function = Homonymous hemianopia

22
Q

Middle Cerebral Artery

Emotions and Behavior = ?

A

- Middle Cerebral Artery:

Emotions and Behavior = IF R-hemisphere (left hemiplegia): easily distracted, poor judgement, impulsiveness. If L-hemisphere (right hemiplegia): apraxia, compulsiveness overally cautious.

23
Q

Middle Cerebral Artery

Cognition, Language, Memory = ?

A

- Middle Cerebral Artery:

Cognition, Language, Memory = L-MCA; aphasia, R-MCA: difficulty understanding spatial relationships, neglect, impairment of nonverbal comunication, dressing apraxia, constructional apraxia.

24
Q

Middle Cerebral Artery

Other = ?

A

- Middle Cerebral Artery:

  • Other = None
25
# Posterior Cerebral Artery Somatosensory = **?**
**-** Posterior Cerebral Artery- **Somatosensory**: * [Hemi-anesthesia](https://dictionary.apa.org/hemianesthesia) * Slow nociception is preserved
26
# Posterior Cerebral Artery Motor = **?**
**-** Posterior Cerebral Artery: **Motor** = If lesion enar origin of artery; vertical gaze palsy, oculomotor nerve palsy, loss of medial deviation of the eyes with perserved convergence, vertical skew deviation of the eyes; rarely hemiparesis.
27
# Posterior Cerebral Artery Special Senses and Autonomic Function = **?** ## Footnote *Blood Supply*
**-** Posterior Cerebral Artery- **Special Senses and Autonomic Function**: * [Homonymous hemianopia](https://dictionary.apa.org/homonymous-hemianopia) * [Cortical blindness](https://dictionary.apa.org/cortical-blindness) * Hallucinations * Lack of depth perception * Impaired eye movements, except lateral and infero-medial eye movements * [Visual agnosia](https://dictionary.apa.org/visual-agnosia) * Limbs may show vasomotor and/or trophic abnormalities.
28
# Posterior Cerebral Artery Emotions and Behavior = **?** ## Footnote *Blood Supply*
**-** Posterior Cerebral Artery: **Emotions and Behavior** = Memory loss
29
# Posterior Cerebral Artery Cognition, Language, Memory = **?** ## Footnote *Blood Supply*
**-** Posterior Cerebral Artery: **Cognition, Language, Memory** = Difficulty reading.
30
# Posterior Cerebral Artery Other = **?** ## Footnote *Blood Supply*
**-** Posterior Cerebral Artery: **Other** = None

DPT 692 - Neuroscience (18 decks)

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