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Neuroanatomy > Neuro powerpoint > Flashcards

Neuro powerpoint Flashcards

1
Q

Name 3 meningeal layers?

A

Dura
Arachnoid
Pia

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2
Q

What is weakest part skull? Why?

A

Pterion
Where frontal parietal temporal and sphenoid bones meet

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3
Q
A
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4
Q

Identify artery circled yellow?

A

Left middle cerebral

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5
Q

Which parts of brain does middle cerebral artery supply?

A

Primary motor and somatosensory areas of face
Broca
Wernickes

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6
Q

Where are motor areas located?
Where are somatosensory areas located?

A

Motor- frontal lobe- in front central sulcus
Somatosensory- parietal lobe- behind central sulcus

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7
Q

Identify 1,2,3

A

1- left posterior cerebral
2- anterior cerebral
3- basilar

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8
Q

What is brain supplied by (2)?

A

Internal carotid arteries
Vertebral arteries

Form COW

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9
Q

What is medical term for not smelling anything?

A

Anosmia

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10
Q

What could result in anosmia?

A

Fracture base skull (anterior cranial fossa)
Disrupt olfactory nerves

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11
Q

Which muscle isn’t working?
Which nerve?

A

Left medial rectus
Oculomotor

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12
Q

Draw movement occular muscles

A
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13
Q

What change would expect to see in pupil of affected eye and why?

A

Pupil dilated and won’t respond to light (constrict)
Left oculomotor nerve injured carries parasympathetic- responsible pupillary constriction

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14
Q

Which muscles unaffected?

A

Superior oblique- down and out, troch
Lateral rectus- abduct, abducens

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15
Q

What is it called when eyelid droops?

A

Ptosis

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16
Q

What is horners syndrome?
Cause?

A

Ptosis- lack sweat, constricted pupil, eyelid droop
Disruption sympathetic- T1 nerve root

17
Q

Middle meningeal artery passes which foramina in skull base?
Foramen ovale
Foramen rotundum
Foramen spinosum
Sup orb fiss

A

Foramen Spinosum

18
Q

Which of following bones of skull forms part middle cranail fossa?
Ethmoid
Frontal
Nasal
Occipital
Sphenoid

A

E

19
Q

Which extraocular muscle responsoble depression adducted eye
IO
MR
SR
SO

A

Superior oblique

20
Q

Which nerve innervates dilator pupillae?
Abducence
Oculomotor
Optic
Trochlear
Sympathetics

A

sympathetics

21
Q
A

A

22
Q
A

Conjunctiva

23
Q
A

Malleus

24
Q
A

D

25
Q
A

A

26
Q
A

A

Neuroanatomy (13 decks)

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