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BMA SEMSTER ONE > Practical Three > Flashcards

Practical Three Flashcards

1
Q

List the order of structures found in the brain stem

A
  • thalamus
  • midbrain
  • pons
  • medulla oblongata
  • spinal cord
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2
Q

what is a fissure

A

deep groove

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3
Q

what is a sulcus

A

shallow groove

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4
Q

what is the advantage of gyrus and sulci

A

covers entire surface of the cerebrum = more neurons

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5
Q

What does grey matter contain

A
  • neuroglia

- cell bodies of interneurons

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6
Q

what does white matter contain

A
  • neuroglia

- myelinated axons of interneurons

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7
Q

Role of Basal Nuclei

A
  • communicates w/ motor areas of cerebral cortex to ensure smooth movement
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8
Q

Function of pre central gyri

A

primary motor cortex = muscle movement

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9
Q

Function of post central gyri

A

primarysomatosensory = sensory info

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10
Q

Which arteries/ blood vessels make up cerebral arterial circle

A
  • anterior communicating artery
  • anterior cerebral artery
  • internal cartoid artery
  • posterior communicating artery
  • posterior cerebral artery
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11
Q

The purpose of cerebral arterial circle ?

A
  • equalises pressure in brain
  • constant blood supply
  • unites posterior and anterior blood supply
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12
Q

CN I - name, origin, function, test,classification

A

olfactory

forebrain

carries sensory info for olfaction

identification of smell

sensory

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13
Q

CN II - name, origin, function, test,classification

A

Optic Nerve
forebrain

carries sensory input for vision

vision tests, pupillary response (w/ III)

sensory

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14
Q

CN III - name, origin, function, test,classification

A

Oculomotor nerve

midbrain

carries motor output for movement of eyes, constriciton of pupils

movement of eyeballs ( w/ IV,VI) , pupillary response with II

motor

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15
Q

CN IV - name, origin, function, test,classification

A

Trochlear Nerve

midbrain

carries motor output for eyeball movements

movement of the eyeball w/ III, VI

Motor

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16
Q

CN V - name, origin, function, test,classification

A

Trigmenial Nerve

Pons

Carries sensory input for pain, touch, vibration, carries motor output to muscles

facial sensations, corneal reflex (w/ VII)

mixed

17
Q

CN VI - name, origin, function, test,classification

A

Adbudens Nerve

Pons

Carries motor for eyeball movement

Movement of eyeball (w/ III,IV)

18
Q

CN VII - name, origin, function, test,classification

A

Facial Nerve

Pons

Carries sensory input for taste, motor output for facial expressions

facial movements, corneal reflex (w/ cn V), taste sensations

mixed

19
Q

CN VIII - name, origin, function, test,classification

A

Vestibulocochlear Nerve

Pons

Carries sensory input for hearing + balance

hearing tests

sensory

20
Q

CN IX - name, origin, function, test,classification

A

Glossopharyngeal Nerve

Medulla Oblongata

Carries sensory input for taste, motor output for pharynx

swallowing, gag reflex

mixed

21
Q

CN X - name, origin, function, test,classification

A

Vagus Nerve

Medulla Oblongata

Carries sensory input for taste , proprioception, blood pressure, output for swallowing, breathing and digestion

mouth and throat functions

mixed

22
Q

CN XI - name, origin, function, test,classification

A

Accessory nerve

Medulla Oblongata

carries motor output for movements of head neck and shoulders

trapezius and sternum muscle functions

motor

23
Q

CN XII - name, origin, function, test,classification

A

Hypoglossal Nerve

Medulla Oblongata

carries motor output for tongue

speech and tongue movement

motor

24
Q

CN that controls crunching on apple

A

CN V- Trigmenial Nerve

25
Q

CN that controls feeling a toothache

A

CN V - Trigmenial Nerve

26
Q

Cn that controls extending and flexing of neck

A

CN XI - Accessory Nerve

27
Q

CN that controls smelling

A

CN I - Olfactory Nerve

28
Q

CN that controls constricting pupils for reading

A

CN III- Oculomotor

29
Q

CN that controls when watching tennis

A

CN II - optic

30
Q

Cn that controls tight rope walking and listening to music

A

CN VIII - Vestibulocochlear Nerve

31
Q

Cn that controls facial expression

A

CN VII - Facial nerve

BMA SEMSTER ONE (11 decks)

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