022614 3 Brainstem 1-3 Flashcards Preview

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Flashcards in 022614 3 Brainstem 1-3 Deck (59):
1

The oculomotor nucleus is associated with what cranial nerve(s)?

3

2

The motor nucleus of CN 5 is associated with what cranial nerve(s)? Are you sure?

5

3

The edinger-westphal nucleus is associated with what cranial nerve(s)?

3

4

The trochlear nucleus is associated with what cranial nerve(s)?

4

5

The principal sensory nucleus is associated with what cranial nerve(s)?

5

6

The spinal trigeminal nucleus is associated with what cranial nerve(s)?

5, 7, 9, 10

7

The mesencephalic nucleus is associated with what cranial nerve(s)?

5

8

The abducens nucleus is associated with what cranial nerve(s)?

6

9

The facial motor nucleus is associated with what cranial nerve(s)?

7

10

The superior salivatory nucleus is associated with what cranial nerve(s)?

7

11

The solitary nucleus is associated with what cranial nerve(s)?

7, 9, 10

12

The cochlear and vestibular nuclei are associated with what cranial nerve(s)?

8

13

The ambiguus nucleus is associated with what cranial nerve(s)?

9, 10, 11

14

The spinal accessory nucleus is associated with what cranial nerve(s)?

11

15

The hypoglossal nucleus is associated with what cranial nerve(s)?

12

16

List the cranial nerves that are sensory, motor, and both.

sensory
CN 1, 2, 8
motor
CN 3, 4, 6, 11, 12
both
CN 5, 7 , 9, 10

17

What are the cranial nerves for the gag, jaw, and corneal reflex?

gag reflex, CN 9 and 10
jaw jerk reflex, CN 5
corneal reflex, CN 5

18

Vocal cord paralysis involves what cranial nerve?

CN 10

19

miosis (pin point pupil) (unopposed sympathetics)
partial ptosis
anhydrosis
what disorder?

horner's

20

CN 3 functions:

innervates:
medial rectus
superior rectus
inferior rectus
inferior oblique
constriction of pupil

21

CN 4 functions:

motor innervation to superior oblique

22

CN 5 functions:

sensation from face, cornea, teeth, gums, palate, and anterior 2/3 of tongue

motor innervation to chewing muscles

23

CN 6 functions:

motor innervation to lateral rectus

24

Cn 7 functions:

Motor innervation to muscles of facial expression, platysma, and stapedius

Taste from anterior 2/3 of tongue

Parasympathetic innervation to submandibular, sublingual, lacrimal glands

25

CN 8 functions:

hearing and balance

26

CN 9 functions: (5)

Motor innervation to stylopharyngeus muscle

Parasympathetic innervation to parotid gland

General sensation from:
posterior 1/3 of tongue
soft palate
auditory tube

Taste from posterior 1/3 of tongue

Sensory from carotid bodies and sinus

27

CN 10 functions: (3)

Motor innervation to soft palate and pharynx

Sensory from external auditory meatus and abdominal/thoracic viscera

Parasympathetics control of abdominal/thoracic viscera

28

What happens during a CN 12 LMN lesion?

tongue deviates towards lesion

29

CN 11 functions:

motor innervation to sternocleidomastoid and trapezius

30

CN 12 functions:

motor innervation to tongue

31

What happens during a CN 7 UMN lesion?

lower contralateral face is paralyzed
corticobulbar tract is affected

32

What happens during a CN 7 LMN lesion?

upper and lower ipsilateral face is paralyzed (bell’s palsy)

33

What happens during a CN 12 UMN lesion?

tongue deviates away from lesion

34

What neurotransmitter is associated with the locus ceruleus in the pons?

norepinephrine

35

What neurotransmitter is associated with the substantial nigra and ventral tegmentum of midbrain?

dopamine

36

What neurotransmitter is associated with raphe nuclei of medulla, pons, and midbrain?

serotonin

37

What are the two lesions of the midbrain?

Weber's syndrome
Parinaud's syndrome

38

What structures are damaged in weber's syndrome?

lateral corticospinal tract
CN 3

39

What artery supplies the midbrain?

posterior cerebral artery

40

What are the symptoms of weber's syndrome?

contralateral hemiparesis (tract crosses after descending through medulla)

ipsilateral ocular paresis (ascending CN 3 fibers go to ipsilateral eye)

41

What structures are damaged in parinaud's syndrome?

superior colliculi (vision)

42

Symptom(s) present in parinauds syndrome?

paralysis of upward gaze

43

What are the somatic (somite) skeletal muscles?

eye (CN 3 4 5 12)
tongue (CN 12)

44

What are the branchial arch muscles?

mastication (CN 5)
facial expression (CN 7)
pharynx and larynx (CN 9, 10, 11)

45

Is branchial arch skeletal muscle special visceral efferent (SVE)? What is the abbreviation for somatic (somite) skeletal muscle?

yes
general somatic efferent (GSE)

46

Medial medullary syndrome results when what artery is occluded?

anterior spinal artery

47

What structures are damaged by medial medullary syndrome?

CN 12
medial lemniscus
pyramid

48

What symptoms are present during medial medullary syndrome?

ipsilateral: hypoglossal palsy
contralateral: touch, vibration, hemiparesis (medial lemniscus and corticospinal tracts cross over)

49

Wallenburg's lateral medullary syndrome results when what artery is occluded?

PICA

50

Vestibular nucleus, inferior cerebellar peduncle, nucleus ambiguus, spinal trigeminal tract/nucleus, anterolateral system, and descending autonomics are damaged when the PICA is damaged in what syndrome?

lateral medullary syndrome

51

Is hornet's syndrome present during lateral medullary syndrome?

yes

52

What vessels supply the midbrain?

posterior CEREBRAL a.
superior cerebellar a.

53

What vessels supply the pons?

basilar a.
AICA

54

What vessel's supply the medulla?

vertebral aa.
AICA
PICA
anterior spinal a.
posterior spinal a.

55

What are the 6 sensory nuclei?

mesencephalic
principal (main) sensory of V
spinal trigeminal
cochlear
vestibular
solitarius

56

What are the GSE somatic motor muscle nuclei?

oculomotor
trochlear
abducens
hypoglossal

57

What are the GVE parasympathetic smooth muscle and glands nuclei?

edinger westphal
superior salivatory
inferior salivatory
dorsal motor nucleus of vagus

58

What are the SVE branchial muscle nuclei?

trigeminal motor
facial motor
ambiguus

59

What are the 6 sensory nuclei?

mesencephalic of V
principle (main) sensory of V
spinal trigeminal
cochlear
vestibular
solitarius