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LCRS Y2: Neuroscience and mental health > Brainstem and cranial nerves > Flashcards

Brainstem and cranial nerves Flashcards

1
Q

Recall the 7 functional classifications of cranial nerves

A

GSE, GVE, GSA, GVA, SSE, SVE, SVA

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2
Q

Recall the positioning of the 7 classifications of nuclei

A

From medial to lateral: GSE, SVE, GVE, GVA/SVA, GSA, SSA

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3
Q

Recall the functional classification and location of the Edinger Westphal nucleus

A

GVE, midbrain

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4
Q

Recall the functional classification and location of the Oculomotor nucleus

A

GSE, midbrain

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5
Q

Recall the functional classification and location of the trochlear nucleus

A

GSE, midbrain

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6
Q

Recall the functional classification and location of the trigeminal motor nucleus

A

SVE, midbrain

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7
Q

Recall the functional classification and location of the abducens nucleus

A

GSE, midbrain

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8
Q

Recall the functional classification and location of the facial nucleus?

A

SVE, midbrain

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9
Q

Recall the functional classification and location of the salivatory nuclei

A

GVE, pons and medulla

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10
Q

Recall the functional classification and location of the vagus nucleus

A

GVE, medulla

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11
Q

Recall the functional classification and location of the nucleus ambiguus

A

SVE, medulla

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12
Q

Recall the functional classification and location of the hypoglossal nucleus

A

GSE, medulla

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13
Q

Recall the functional classification and location of the accessory nucleus

A

SVE, cervical spine

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14
Q

What is the function of the Edinger Westphal nucleus?

A

Autonomic function of the oculomotor nerve

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15
Q

What is the function of the pineal gland?

A

Vital for maintaining circadian rhythm

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16
Q

What is the function of the dorsal columns?

A

They carry information about fine touch and proprioception

17
Q

Recall the names, positions

and functions of the dorsal columns

A

Gracile fasciculus = medial: info from lower limb

Cuneate fascilculus = lateral: info from upper limb

18
Q

What is secreted by the pineal gland?

A

Melatonin

19
Q

Where are the colliculi located and what are their functions?

A

On the tectum:
Superior colliculi - visual area
Inferior colliculi - auditory reflexes

20
Q

What muscle is supplied by the trochlear nerve?

A

Superior oblique

21
Q

Recall 2 structures seen in the dorsal aspect of the pons

A

Rhomboid fossa

4th ventricle

22
Q

Recall the key structures seen on the anterior view of the brainstem working from the olfactory bulbs rostrally

A 
Olfactory bulbs
Optic chiasm
Oituitary stalk
mamillary bodies
cerebral peduncle
transverse fibres of pons
pyramids
23
Q

Recall the points of emergence from the brainstem of each of the cranial nerves

A 
1 - olfactory bulbs
2 - optic chiasm
3 - ponto-midbrain junction, medial
4 - ponto-midbrain junction, lateral
5 - pons, lateral
6 - pontomedullary junction, medial
7 - pontomedullary junction, lateral
8 - pontomedullary junction, lateral
9 - gracile fasciculus
10 - cuneate fasciculus
11 - cuneate fasciculus 
12 - cuneate fasciculus
24
Q

Recall the 3 branches of the trigeminal nerve

A
  1. Opthalmic
  2. Mandibular
  3. Maxillary
25
Q

Recall the function of the bridging fibres of the pons

A

Connect 2 halves of the cerebellum

26
Q

What is the motor function of the trigeminal nerve?

A

Mastecation

27
Q

What muscles are supplied by the accessory nerve?

A

Sternocleidomastoid and trapezius

28
Q

What is the name of the re-emerging cerebral peduncle at the medulla, and what is it composed of?

A

Pyramids - corticospinal tract

29
Q

What is the main distinguishing structure that is seen in the midbrain?

A

Cerebral aqueduct

30
Q

What is substantia nigra, where is it found and what is its clinical relevance?

A

Vital part of motor system that initiates movement, found in midbrain, is depigmented in Parkinson’s

31
Q

What is the main distinguishing structure that is seen in the pons?

A

4th ventricle

32
Q

Recall an example of a pathology associated with loss of brainstem function

A

Lateral medullary syndrome

LCRS Y2: Neuroscience and mental health (17 decks)

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