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CVM: 720 Anatomy II > exam 2: head and neck respiratory pathway > Flashcards

exam 2: head and neck respiratory pathway Flashcards

(71 cards)

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1
Q

The nose possesses a ______ skeleton

A

cartilaginous

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2
Q

T/F Horses doesn’t have a plane

A

true

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3
Q

a blind sac with great capacity for expansión between alar cartilage and nasoincicive notch.

A

Horses have a nasal diverticulum

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4
Q
A

Nasal vestibule

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5
Q

rostral and caudal boundaries of the nasal cavity

A

nostrils and the choanae

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6
Q

Dorsal boundary of the nasal cavity =_______
Ventral boundary of the nasal cavity= _______

A

Dorsal boundary is the nasal bone;
Ventral boundary is the hard palate

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7
Q

Nasal Cavity is medially divided by the

A

nasal septum (bone caudally and cartilage
rostrally)

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8
Q

what is the pigmented surface between skin and mucosa of the nasal cavity

A

nasal vestibule

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9
Q

In the nasal cavity, _________flows into the
vestibule near the mucocutaneous junction

A

nasolacrimal duct

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10
Q

what structures help keep the humidity of the nose

A

Nasal glands and lacrimal glands

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11
Q
A

Opening of nasolacrimal duct

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12
Q

They correspond to papyraceous
bones that continue from the ethmoid bone (ethmoid labyrinth)

A

Nasal Conchae

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13
Q

List the Nasal Conchae

A
  • Ethmoidal conchae (endo & ectoturbinates)
  • Dorsal nasal concha (1) (endoturbinate I)
  • Ventral nasal concha (2) (facial bone), end rostrally in an alar fold.
  • Middle nasal concha (endoturbinate II).
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14
Q

what are nasal meatuses

A

spaces between conchae

There are dorsal, middle, ventral and common

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15
Q
A
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16
Q
A
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17
Q
A
  1. vomernasal organ
  2. ventral nasal concha
  3. dorsal nasal concha
  4. septum
  5. dorsal nasal meatus
  6. middle meatus
  7. ventral meatus
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18
Q

Name the response and muscle involved

A

Flehmen response; levator of superior lip m.

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19
Q

Pharynx rostrally, is divided by the ______

A

soft palate

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20
Q

Food pathway, ventral to the soft palate

A

Oral part (Oropharynx)

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21
Q

Air pathway, dorsal to the soft palate

A

Nasal part (Nasopharynx)

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22
Q

Cavity dorsal to the larynx, just before esophagus

A

Laryngeal part (Laryngopharynx)

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23
Q

List the order of structures from nasal cavity to trachea

A

nasal cavity
nasopharynx
intrapharyngeal ostium
larynx
tracha

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24
Q

List the order from oral cavity to esophagus

A

oral cavity
oropharynx
laryngopharynx
esophagus

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25
Nasopharynx rostral and caudal boundary
rostral boundary are the choanae and caudally the palatopharyngeal arch
26
During respiration cycle the epiglottis rests dorsally to the _________
soft palate
27
There is a pharyngeal opening of _________ in the lateral wall
auditory tube
28
Mainly in Equidae It is a caudoventral dilatation of the auditory tube
AUDITORY TUBE DIVERTICULUM (Guttural pouch)
29
capacity of AUDITORY TUBE DIVERTICULUM (Guttural pouch)
300 cc
30
AUDITORY TUBE DIVERTICULUM (Guttural pouch) is known for what mechanism
cooling the cerebral blood supply during strenuous exercise
31
AUDITORY TUBE DIVERTICULUM (Guttural pouch)
32
Name the boundaries of the AUDITORY TUBE DIVERTICULUM (Guttural pouch) Dorsal, ventral, lateral, medially
33
34
35
36
what is -S - ECA -ICA
* Stylohyoid bone (S) * External carotid artery (ECA) * Internal carotid artery (ICA)
37
________ is formed by cartilages, ligaments and muscles surrounded by mucosa
Larynx
38
what is the Larynx located between
Between nasopharynx and trachea
39
the larynx is ventral to the ________ and _______ vertebrae
ventral to the atlas and axis vertebrae
40
Function of larynx
Air pathway mainly, phonation and blockage of foreign bodies to the lower air pathways
41
Larynx
42
label 6,7,8,9
43
T/F Arytenoid are paired cartilages
true
44
Epiglottis, thyroid, and cricoid are _______cartilages
Impair cartilages
45
Larynx joined with the base of the skull via ________
a hyoid apparatus
46
Larynx is the _____ horn of the thyroid cartilage. Serves as an insertion point of the ________ muscles
cranial, tongue
47
the epiglottis is the _______ apex of the larynx
Pointed apex--Cuneiform processes
48
what shape is the thyroid
Oval shape in equine
49
Arytenoid is the _______ process. What is not present?
Corniculate process (well developed). No cuneiform process!!!!!!!
50
Cricoid make up the ____________
Lamina and arch
51
what is the Adittus
opening of the larynx
52
53
Vocal folds are composed of what 2 things
Vocal mm + Vocal lig
54
Phonatory apparatus. Vocal folds and vocal processes of the arytenoid.
GLOTTIS
55
56
List the intrinsic muscles of the Larynx
* Dorsal cricoarytenoid * Lateral cricoarytenoid * Thyroarytenoid *M. vocalis and ventricular * Cricothyroid * Transverse arytenoid
57
Extrinsic muscles of the larynx
*Sternothyroid *Thyrohyoid *Hyoepiglottic *Thyropharyngeal
58
what is the the only muscle of the larynx that abducts the vocal folds
Dorsal cricoarytenoid m.
59
Dorsal cricoarytenoid m. is innervated by what nerve
recurrent laryngeal n.
60
what is a Dynamic Laryngeal Endoscopy
a procedure that examines the voice box and throat while a patient is performing various activities
61
what is wrong with this horse
horse has complete collapse of the left arytenoid cartilage vocal fold collapse during breathing in
62
what is wrong with this horse
asymmetry of the arytenoid cartilage; right is way more open that the left **left is commonly paralyzed
63
Cervical trachea is located ________ to the cricoid cartilage
caudal
64
Cervical trachea is ventral to the __________, mid cervical region esophagus to left lateral
esophagus
65
what is formed by incomplete tracheal cartilages dorsally
Cervical trachea
66
In the Cervical trachea, the tracheal cartilages are joined together by _________
Annular ligaments
67
what completes the ring in the cervical trachea
Tracheal smooth muscle completes the rings, inserted inside
68
how can we access the guttural pouch from the outside
viborg triangle
69
what makes the viborg triangle borders
Maxillary vein linguofacial vein Mandible
70
List the internal structure in the guttural pouch
* Stylohyoid bone (S) * External carotid artery (ECA) * Internal carotid artery (ICA) * Cranial nerves VII, IX, X, XI and XII * Rostral continuation of sympathetic trunk * Middle retropharyngeal lymphnode
71
what bacteria tends to attack the guttural pouch
“STRANGLES” Streptococcus equi

CVM: 720 Anatomy II (44 decks)

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