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CVM710: Anatomy > exam 4: CN IX, X,XI,XII (37) > Flashcards

exam 4: CN IX, X,XI,XII (37) Flashcards

1
Q

GLOSSOPHARYNGEAL NERVE (IX) is associated with what

A

tongue
pharynx

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2
Q

what foramen is this

A

Jugular foramen

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3
Q

what foramen is this

what 3 nerves run through it

A

Jugular foramen

CN IX, X, XI

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4
Q

what nerve is this

A

GLOSSOPHARYNGEAL NERVE (IX)

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5
Q

what nerves correspond to 1 and 2

A
  1. CN X
  2. CN XI
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6
Q

what does the Jugular foramen externally opens into a fissure

what is the name of this

A

Tympano-occipital fissure

said it was exam question

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7
Q

what important structure is the Tympano-occipital fissure close to

A

Tympanic Bulla

said it was exam question

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8
Q

Infections in the middle ear, which is housed in the tympanic bulla is very close to what fissure

A

Tympano-occipital fissure

said it was exam question

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9
Q

GLOSSOPHARYNGEAL NERVE (IX) Afferent or Efferent

A

Both

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10
Q

GLOSSOPHARYNGEAL NERVE (IX) has GSA from what part of the body

A

Sensory of the root of the tongue, palate, and pharynx.

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11
Q

GLOSSOPHARYNGEAL NERVE (IX) sends special visceral afferent (SVA) stimuli from what part(s) of the body

A
  • Taste from the root of the
    tongue (papilla)
  • Carotid sinus and body
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12
Q

does the GLOSSOPHARYNGEAL NERVE (IX) have efferent fibers

A

yes, GSE and GVE parasympathetic

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13
Q

what ganglion does the GVE signal of the GLOSSOPHARYNGEAL NERVE (IX) synapse at

A

Otic ganglion

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14
Q

GLOSSOPHARYNGEAL NERVE (IX) :

what are the two glands that the postganglionic parasympathetic (GVE) stimulus go to

A

Zygomatic gland & Parotid gland salivary glands

(increase secretion, and production of saliva)

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15
Q

GLOSSOPHARYNGEAL NERVE (IX) :
What muscle/ action is the GSE involved in

A

palatopharyngeal m.

involved in elevating the pharynx and larynx, contributing to the swallowing process

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16
Q

What does the Pharyngeal branch of the GLOSSOPHARYNGEAL NERVE (IX) send GVA signals from

A

Soft palate, and pharynx

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17
Q

What does the Lingual branch of the GLOSSOPHARYNGEAL NERVE (IX) send GVA signals from

A

GVA: Mucosa of the root of the tongue

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18
Q

Internal carotid artery has an expansion (bulb) forms the ________

A

sinus of the carotid

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19
Q

identify what nerve/branch goes to the root of the tongue

A
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20
Q

Internal carotid artery goes directly into the __________. This is why it is so important!

A

THE BRAIN

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21
Q

what are the receptors on the internal carotid artery

A

Carotid sinus (baroreceptors)
Carotid body (chemoreceptors)

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22
Q

what are the branches of the GLOSSOPHARYNGEAL NERVE (IX)

A

Carotid sinus branch
Lingual branch
Pharyngeal branch

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23
Q

Carotid body (chemoreceptors) of the Internal carotid sinus is for detection of what gas

A

CO2

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24
Q

The efferent part of the GLOSSOPHARYNGEAL NERVE (IX) has a pharyngeal branch that goes to what kind of muscle

A

Palatopharyngeal mm. (skeletal)

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25
Medial to the tympanic bulla is
A bunch of nerves like the CN Glossopharyngeal- Pharyngeal branch
26
The overall job of the Pharyngeal branch of the Glossopharyngeal n is to control the
Constrictor muscles which control swallowing
27
pharyngeal plexus which consist of cranial nerves ___ and ____ controls swallowing
CN IX & CN X
28
Identify 1 and 2
1. Tympanic bulla 2. Pharynx, reflected
29
What nerves/structure is being pointed to by the yellow arrow
Nerves IX, X & XI and Internal carotid artery going through Tympano-occipital fissure
30
Identify 1-3
1. Tympano-occipital fissure 2. Internal carotid a. 3. External carotid a
31
Identify 1-3
1. CN X 2. CN XI 3. Vagosympathetic trunk
32
identify 1-3
1. Tympanic bulla 2. CN IX 3. Cranial cervical ganglion
33
what nerves/arteries/veins run within the Tympanooccipital fissure
-Glossopharyngeal n. (CN IX) - Vagus n. (CN X) - Accessory n. (CN XI) - Internal carotid a. - Internal jugular v
34
35
what nerve is this
Vagus n (CN X)
35
Is the vagus nerve afferent or efferent
both
36
Where is the GSA signal from on the vagus nerve
GSA: General Somatic Afferent - External ear canal - Rostral Laryngeal mucosa
37
Where is the GVA signal from on the vagus nerve
from cervical, thoracic and abdominal organs
38
Where is the SVA signal from on the vagus nerve
Taste from epiglottis
39
Where does the GSE of the vagus go to as they travel the cranial laryngeal nerve
GSE: General Somatic Efferent -Pharyngeal m. -Cricothyroid m. -Laryngeal m., included the Dorsal cricothyroid m. -Esophagus
40
Where does the GVE of the vagus go to
GVE: Parasympathetic--Smooth m. and glands
41
what nerve is sensory for laryngeal mucosa
Cranial laryngeal n.
42
what ganglion do the Afferent pathway of vagus nerve travel through
Vagal ganglion
43
Vagus n. Efferent where do the Somatic motor signals go to?
* Pharyngeal m * Laryngeal m. * Esophagus
44
Vagus n. Efferent Where do the parasympathetic signals go
* Smooth m. and glands of digestive apparatus from esophagus & stomach until left colic flexure * Smooth m. and glands of respiratory apparatus from larynx until lungs
45
what nerves are involved with the epiglottis
46
Identify 1 and 2
1. Pharyngeal branch of cn IX 2. Pharyngeal branch of cn X
47
identify
pharyngeal plexus Controls swallowing (cn IX & cn X)
48
identify 1-4
1. Pharyngeal branch of vagus 2. cranial laryngeal n. 3. R. recurrent laryngeal n. 4. L. recurrent laryngeal n.
49
identify 1 and 2
1.Cranial laryngeal n. 2. Caudal laryngeal n.-From recurrent laryngeal n.
50
identify 1 and 2 of the blue arrows
1.Sensory of laryngeal mucosa 2. Sensory of infraglottic laryngeal mucosa
51
identify 1 and 2 of the red arrows
1.Motor of cricothyroid m 2. Motor of all the other laryngeal mm.--Including dorsal cricoarytenoid m
52
Identify the nerve what is it sensory to? what is it motor to?
Cranial laryngeal n. Sensory for laryngeal mucosa Motor for cricothyroid m
53
CN X: Vagus Nerve goes the Cervical, Thoracic, and Abdominal_________
Viscera
54
know this image
:)
55
Identify 1 and 2
1. ACCESSORY NERVE (XI) 2. Spinal roots to mm. in the neck
56
identify what the 2 yellow arrows are pointing to
Cranial roots joint with vagus n. To form the recurrent laryngeal n.
57
identify the nerve
CN XI from spinal roots
58
Accessory n. (XI) is motor to what muscles
Motor for neck muscles(fibers originated from spinal roots of XI) - Trapezius m. - Cleidocephalicus m. - Sternocephalicus
59
what nerve goes to the: - Trapezius m. - Cleidocephalicus m. - Sternocephalicus
Accessory n. (XI)
60
HYPOGLOSSAL NERVE (XII) is motor (GSE) to the ______________ of the tongue
to the intrinsic and extrinsic muscles of the tongue
61
what nerve is being pointed to
HYPOGLOSSAL NERVE (XII)
62
identify the nerve
Hypoglossal nerve
63
identify 1 and 2
1.Vagosympathetic trunk 2. Cranial laryngeal n
64
65
66
67
68
As soon as you touch the mucosa/epiglottis with a stimulate, there is a __________ IF NOT= dead
reflex
69
Why is the cranial laryngeal nerve (GSA) so important
it "saves you life" every time you aspirate saliva
70
The recurrent laryngeal nerve brings _____ from the most caudal portion of the esophagus
GSA
71
the recurrent laryngeal is a branch of what major nerve
vagus
72
what is the only intrinsic muscle innervated by the cranial laryngeal nerve
cricothyroid m. **repeated this a lot***
73
where is the origin of the recurrent laryngeal nerve
accessory n.
74
what happens if there is damage to the recurrent laryngeal nerve
hemiparalysis of the larynx
75
what does the right recurrent laryngeal nerve wrap around? Left?
Left is around the aortic arch Right is around the right subclavian
76
WHAT IS THE MOST IMPORTANT CONCEPT REGARDING THE CRANIAL LARYNGEAL N.
sensory for the larynx-- coughing reflex!!!
77
MAIN ACTION OF RECURRENT LARYNGEAL NERVE
motor for the laryngeal m. including Dorsal cricothyroid m. **IF INJURED= PARALYSIS**

CVM710: Anatomy (54 decks)

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