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Anatomy Unit 4 > Neck 2 > Flashcards

Neck 2 Flashcards

(71 cards)

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1
Q

what is the formal name for the voice box

A

Larynx

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2
Q

what is the larynx continuous with

A

trachea

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3
Q

what is the continuation of the pharynx

A

esophagus

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4
Q

level of thyroid

A

C5-T1

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5
Q

what connects the 2 lobes of the thyroid

A

Isthmus

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6
Q

what percentage of the population have an extra lobe called the pyramidal lobe on the thyroid

A

50%

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7
Q

what artery supplies the thyroid

A 
superior thyroid (External carotid) 
inferior thyroid (thyrocerviacl trunk)
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8
Q

Ima thyroid artery in what percentage of population

A

10%

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9
Q

two veins that drain thyroid

A
  1. Superior thyroid vein
  2. middle thyroid vein
  3. Inferior thyroid vein
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10
Q
  1. Superior thyroid vein
  2. middle thyroid vein
    drain into what vein
A

Internal jugular vein

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11
Q

Inferior thyroid vein drains into what

A

brachiocephalic vein

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12
Q

what glands on the back of the thyroid glands

A

parathyroid

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13
Q

what is the pharynx posterior to

A
  1. Nasal cavity
  2. Oro cavity
  3. larynx
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14
Q

what is inferior to the pharynx

A

esophagus

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15
Q

3 sections of the pharynx

A
  1. Nasopharynx
  2. Oropharynx
  3. Laryngopharynx
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16
Q

Constrictor Muscles (3)

A
  1. Superior
  2. Middle
  3. Inferior
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17
Q

Constrictor Muscles constrict when

A

swallowing

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18
Q

Constrictor Muscles innervation

A

vagus

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19
Q

origins of Superior Constrictor (2)

A
  1. Pterygoid hamulus of sphenoid bone and 2. mandible
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20
Q

origins of middle Constrictor

A

Hyoid

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21
Q

origins of inferior Constrictor

A

Thyroid Cartilage and Cricoid Cartilage

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22
Q

Stylopharyngeus

innervation

A

Glossopharyngeal (CN IX)

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23
Q

where can food get stuck

A

Piriform recesses

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24
Q

what nerve sensory to Mucosa of

Oropharynx

A

Glossopharyngeal nerve (CN IX)

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25
what nerve Sensory: Mucosa of Laryngopharynx
vagus
26
gag reflex what nerves
9, 10
27
2 functions of larynx
1. sound production | 2. respiration protection
28
The larynx is what to the hyoid
inferior
29
what vertebral levels cover the larynx
C3-C6
30
flat portion of thyroid
laminae
31
point of thyroid is called
Laryngeal prominence
32
2 horns of thyroid are called
1. superior horn | 2. Inferior horn
33
below the thyroid is the
cricoid cartilage
34
what covers the laryngeal inlet
Epiglottic Cartilage
35
sit on top of cricoid
Arytenoid Cartilages
36
function of Arytenoid Cartilages
change pitch of voice
37
what levels for Tracheotomy
2-4 tracheal ring
38
done in an emergency situations for a blocked airway
Cricothyrotomy
39
Connects epiglottic and arytenoid cartilages
Quadrangular Membrane
40
between inlet and vestibular folds
Vestibule
41
False vocal cords
Vestibular Folds
42
between vestibular and vocal folds
Ventricle
43
true vocal cords are also called
Vocal folds
44
during speaking vocal folds are in what position
adducted
45
what folds Located between thyroid cartilage and arytenoid cartilage
Vocal folds
46
Length, size, and tension determine pitch
vocal folds
47
what group and muscle elevate larynx (1,1)
1. suprahyoid group | 2. thyrohyoid muscle
48
2 Infrahyoid muscles that depress larynx
sternothyroid depress (ana cervicalsis)
49
Intrinsic Muscles of the Larynx | innervation
Inferior laryngeal nerve
50
Intrinsic Muscles of the Larynx | exception
Exception: Cricothyroid muscle (innervated by external branch of superior laryngeal nerve)
51
Aryepiglottic action
Action: Close laryngeal inlet
52
Intrinsic Muscles of the Larynx | that adduct vocal folds
Lateral Cricoarytenoid Transverse Arytenoid Oblique Arytenoid
53
Superior Laryngeal Nerve branch of
vagus
54
what muscle causes voice to be higher
Cricothyroid
55
causes voice to be deeper
Thyroarytenoid
56
innervation to the larynx
vagus nerve
57
sensory only to mucosa of larynx superior to vocal folds
Internal branch of Superior Laryngeal Nerve
58
2 terminal braches of recurrent larangeal
superior Laryngeal Nerve | Inferior Laryngeal Nerve
59
Sensory: mucosa inferior to vocal folds
Inferior Laryngeal Nerve
60
thyroid is deep to what muscles
1. sternohyoid | 2. sternothyroid
61
• Motor to constrictor muscles
vagus
62
• Sensory from mucosa of oropharynx
Glossopharyngeal (CN IX)
63
• Connects epiglottic and arytenoid cartilages; border is vestibular fold
o Quadrangular membrane
64
Aperture between | vocal folds
Rima Glottidis
65
Depressor of Larynx
Sternothyroid
66
Elevator of Larynx
Thyrohyoid
67
what muscle Action: Abduct vocal folds
Posterior Cricoarytenoid
68
pierces thyrohyoid | membrane
superior larengeal nerve internal branch
69
Horners
1. Drooping upper eyelid 2. Decreased sweating 3. Constricted pupil
70
Horners syndrome is damage to what
o Results from unilateral damage to the sympathetic nervous system (cervical or thoracic)
71
Horners associated with what ganglia
paravertebral ganglia

Anatomy Unit 4 (9 decks)

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