Brainstem pwp1 Flashcards
1
Q
GSA GVA GVE GSE are found all in the spinal cord or cranial nerves?
A
spinal cord
2
Q
what is dose the sulcus limitans seperate?
A
the efferent fibers from the afferent
3
Q
How many functional components (GSE, etc.) are found in the spinal cord?
A
4
4
Q
how many Functional Components of Cranial Nerves?
A
7
5
Q
GSE in the midbrain
A
3 and 4
6
Q
GSE in the pons
A
6
7
Q
GSE in the medulla
A
7
8
Q
GVE for the midbrain?
A
3
9
Q
SVE for the pons?
A
v and VII
10
Q
GVE for the pons?
A
7
11
Q
SVE for the medulla
A
9,10,11
12
Q
GVE for the medulla?
A
9, 10
13
Q
CN 1 functional components?
A
SVA for sense of smell
14
Q
CN 2 functional component?
A
SSA
15
Q
CN 3 functional component?
A
GSE and GVE
16
Q
cn 4 functional component?
A
GSE
17
Q
CN5 functional component?
A
GSA and SVE
18
Q
CN 6 functional component?
A
GSE
19
Q
CN 7 functional component?
A
GSA, GVA, GVE, SVE, SVA
20
Q
CN 8 functional component?
A
SSA
21
Q
CN 9 functional component?
A
GSA. GVA, GVE, SVE, SVA
22
Q
CN 10 functional component?
A
SVE
23
Q
CN 11 functional component?
A
GSA. GVA, GVE, SVE, SVA
24
Q
CN 12 functional component?
A
GSE
25
what develops from the basal plate?
motor columns of the nuclei during embryonic development
26
GSE cell bodies are derived from?
cephalic myotomes
27
1st brachial arch is known as the
mandibular arch
28
mandibular arch gives rise to what cn and action?
```
Mandibular Nerve (from CN V)
Muscles of Mastication
```
29
2nd brachial arch is known as
hyoid arch
30
hyoid arch gives rise to what cn and muscles??
```
Facial Nerve (from CNVII)
Muscles of facial expression
```
31
3rd brachial arch is known as
no name
32
3rd brachial arch gives rise what?
Glossopharyngeal (CN IX)
| Stylopharyngeus (swallowing)
33
brachial arches 4 and 6 are respnsibel for which CN and muscles?
```
Vagus Nerve (CN X)
Muscles of the larynx, pharynx and palate (swallowing and talking)
```
34
are GVE preganglionic parasympathetic or sympathetic?
preganglionic parasympathetic
35
GVE has what parasympathetic nuclei?
1. Edinger-Westphal Nucleus (midbrain)
2. . Superior Salivatory Nucleus (pons)
3. Inferior Salivatory Nucleus (medulla)
4. Dorsal Motor Nucleus of vagus (DMNX, medulla)
36
Superior Salivatory Nucleus (pons) goes with which CN to supply which glands?
Parasympathetic nucleus of CN VII
•
Supplies the Submandibular, Sublingual, Lacrimal, Nasal and Palatine glands
37
GVE Parasympathetic Nuclei for which CN's
3,7,9,10
38
Inferior Salivatory Nucleus (medulla) supplies which gland via which CN?
parotid via CN 9
39
Dorsal Motor Nucleus of vagus (DMNX, medulla)
| is parasympathetic for which CN?
CN 10
40
which nuclei is autonomic ganglia of the thorax and the abdomen
Dorsal Motor Nucleus of vagus (DMNX, medulla)
41
SVE nuclei supply what?
skeletal muscles derived from brachial arches
42
CN's with SVE nuclei
5,7,8,9,10
43
Sensory columns in the brainstem are derived from what plate embryologically?
alar plate
44
Alar plate involves the communication between which structures?
general somatic and general visceral sensory
45
which CN's are GVA of sensory for pain from viscera?
facial, glossopharyngeal and vagus
46
Which CN's are SVA for taste?
7, 9,10
47
which CN's are GSA for brainstem?
CN V
48
which CN's are SSA for hearing and balance in the brainstem
CN VIII
49
Olivary Nuclear Complex
| function?
associated with control of voluntary motor movement
50
Olivary Nuclear Complex is located in which portion of the brainstem?
medulla oblongata
51
which part of the Olivary Nuclear Complex is the largest?
inferior olivary nucleus
52
which portion of the Olivary Nuclear Complex is visible from the ventral surface of the brainsstem?
inferior olivary nucleus as the olive
53
Cortico-olivary fibers run between what two structures?
motor cortex to the inferior olivary nucleus
54
Spino-olivary fibers run between what two structures?
the spinal cord to the inferior olivary nucleus
55
Olivocerebellar fibers run run between what two structures?
from the inferior olivary nucleus to the cerebellum
56
which portion of the olivo-cerebellar system is mainly involved in the cerebellar motor learning and function
inferior olivary nucleus
57
which system makes up most of the fibers in the Inferior cerebellar peduncle?
olivocerebellar system
58
Damage to olivocerebellar system makes a person unable to do whay?
learn and their motor responses are no longer plastic
59
what are climbing fibers?
the fibers that are projected from the inferior olivary nucleus to the pons and then through the ICP ti synapse onto the deeps cerebellar nuclei
60
reticular formation lateral zone is responsible for what?
integrates reflex connections between sensory and motor cranial nerve nuclei
61
reticular formation medial zone has fibers that project to what?
spinal cord (reticulospinal tracts), to cerebellum, hypothalamus and cerebral cortex
62
The midline zone known as (Raphe nuclei): released what neurotransmitter in response to pain
pain --> serotonin
63
```
Reticular Formation (RF)
Main functions of reticular formation are:
```
* processing of pain
* visceral functions
* posture and muscle tone
* alert
* arousal
* sleep
* regulations of awareness
64
Damage to the reticular formation will cause what?
put a person in coma
65
why would the reticular formation contain respiratory and cardiac regions?
they are associated in keeping the person alert
66
ARAS stand for?
ascending reticular activating system
67
which system is responsible for jolting you awake when you fall asleep?
ARAS
68
hypothalmic functions?
homeostasis
controls visceral activity
hunger, thirst
water balance
69
CN's of the medulla?
Hypoglossal (CN XII)
Accessory (CN XI)
Vagus (CN X)
Glossopharyngeal (CN IX)
70
Hypoglossal – Cranial Nerve XII
| Function
– GSE fibers to muscles of tongue (motor) EXCEPT palatoglossus
71
origin of CN 9
in the floor of the 4th vetnricle
72
pathway of CN 9
Nerve exits the medulla between the olive and pyramid
73
Accessory – Cranial Nerve XI Function –
SVE and GSE fibers from two roots
74
two roots of the CN 11?
cranial root (SVE) and the Spinal root (GSE)
75
Cranial root of CN 11 is from what structure?
nucleus ambiguous located in the RF of the medulla
76
Cranial root (SVE) supplies what
larynx, pharynx, and soft palate
77
spinal root (GSE) is from where?
the ventral horns of C1-C5
78
spinal root of CN 11 supplies what?
Trapezius and the SCM
79
the pathway of the spinal root of CN 11?
enters through foramen magnum --> exits through the jugular foramen
80
Lesion to CN XI:
| will represent how?
Fails to shrug the shoulders, 2. Fails to raise arm above horizontal and 3. Can not turn the face to opposite side.
81
CN 10 5 functional components?
SVA, GSA, GVE, SVE, GVA
82
SVA for CN 10
taste and sensation from the epiglottis
83
CN 10 GVA
sensation from the thoracic and the abdominal viscera
84
CN 10 SVE
motor to the muscles of larynx, pharynx and palate that develop from the 4th and 6th brachial arches
85
GVE of CN 10
preganglionic parasympathetic to thoracic & abdominal viscera (contraction of smooth muscles and secretion from glands)
86
GSA for CN 10
from the auricle
87
Origin of CN 10 SVA neurons?
neurons are located in inferior sensory ganglion of vagus
88
Origin of CN 10 GVA neurons?
neurons are located in superior sensory ganglion of vagus
89
Origin of CN 10 SVE neurons?
middle part of the nucleus ambiguus
90
Origin of CN 10 GVE neurons?
– DMNX (parasympathetic)
91
Origin of CN 10 GSA neurons?
neurons are located in superior sensory ganglia of vagus and project to spinal nucleus of trigeminal nerve
92
which functional component of CN IX will signal a sore through?
GVA from the oropharynx, platine tonsils
93
Which functional component of CN IX will sense taste?
SVA
94
Which CN is responsible for taste of the posterior 1/3 of the tongue?
CN IX
95
GVA for the gag reflex is from which CN?
CN IX
96
which CN is responsibl efor signaling otitis media?
CN IX
97
which functional component of CN IX is responsible for tympanic cavity?
GVA
98
which CN is responsible for the afferent part of carotid sinus?
CN IX
99
Which CN is responsible for the efferent part of the carotid sinus?
CN X
100
Which CN is responsible for the sensation to the carotid body and sinus?
CN IX
101
SVE of CN IX
– motor supply of stylopharyngeus muscle (swallowing)
102
GVE of CN IX supplies?
parotid
103
Pathway of GVE stimulation of parotid glands?
Inf salivatory nuc >>tympanic n >lesser petrosal n > otic ganglion > parotid gland (through auriculotemporal nerve)
104
lesion of CN IX will represent as?
difficulty swallowing, impariement of taste and sensation of the posterior 1/3 of the tongue, palate, pharynx. absent gag relfex, and dry mouth
