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Anatomy Unit 4 > Neck 2 > Flashcards

Neck 2 Flashcards

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
Q

what nerve Sensory:
Mucosa of
Laryngopharynx

A

vagus

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26
Q

gag reflex what nerves

A

9, 10

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27
Q

2 functions of larynx

A
  1. sound production

2. respiration protection

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28
Q

The larynx is what to the hyoid

A

inferior

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29
Q

what vertebral levels cover the larynx

A

C3-C6

30
Q

flat portion of thyroid

A

laminae

31
Q

point of thyroid is called

A

Laryngeal prominence

32
Q

2 horns of thyroid are called

A
  1. superior horn

2. Inferior horn

33
Q

below the thyroid is the

A

cricoid cartilage

34
Q

what covers the laryngeal inlet

A

Epiglottic Cartilage

35
Q

sit on top of cricoid

A

Arytenoid Cartilages

36
Q

function of Arytenoid Cartilages

A

change pitch of voice

37
Q

what levels for Tracheotomy

A

2-4 tracheal ring

38
Q

done in an emergency situations for a blocked airway

A

Cricothyrotomy

39
Q

Connects epiglottic and arytenoid cartilages

A

Quadrangular Membrane

40
Q

between inlet and vestibular folds

A

Vestibule

41
Q

False vocal cords

A

Vestibular Folds

42
Q

between vestibular and vocal folds

A

Ventricle

43
Q

true vocal cords are also called

A

Vocal folds

44
Q

during speaking vocal folds are in what position

A

adducted

45
Q

what folds Located between thyroid cartilage and arytenoid cartilage

A

Vocal folds

46
Q

Length, size, and tension determine pitch

A

vocal folds

47
Q

what group and muscle elevate larynx (1,1)

A
  1. suprahyoid group

2. thyrohyoid muscle

48
Q

2 Infrahyoid muscles that depress larynx

A

sternothyroid depress (ana cervicalsis)

49
Q

Intrinsic Muscles of the Larynx

innervation

A

Inferior laryngeal nerve

50
Q

Intrinsic Muscles of the Larynx

exception

A

Exception: Cricothyroid muscle (innervated by external branch of superior laryngeal nerve)

51
Q

Aryepiglottic action

A

Action: Close laryngeal inlet

52
Q

Intrinsic Muscles of the Larynx

that adduct vocal folds

A

Lateral Cricoarytenoid
Transverse Arytenoid
Oblique Arytenoid

53
Q

Superior Laryngeal Nerve branch of

A

vagus

54
Q

what muscle causes voice to be higher

A

Cricothyroid

55
Q

causes voice to be deeper

A

Thyroarytenoid

56
Q

innervation to the larynx

A

vagus nerve

57
Q

sensory only to mucosa of larynx superior to vocal folds

A

Internal branch of Superior Laryngeal Nerve

58
Q

2 terminal braches of recurrent larangeal

A

superior Laryngeal Nerve

Inferior Laryngeal Nerve

59
Q

Sensory: mucosa inferior to vocal folds

A

Inferior Laryngeal Nerve

60
Q

thyroid is deep to what muscles

A
  1. sternohyoid

2. sternothyroid

61
Q

• Motor to constrictor muscles

A

vagus

62
Q

• Sensory from mucosa of oropharynx

A

Glossopharyngeal (CN IX)

63
Q

• Connects epiglottic and arytenoid cartilages; border is vestibular fold

A

o Quadrangular membrane

64
Q

Aperture between

vocal folds

A

Rima Glottidis

65
Q

Depressor of Larynx

A

Sternothyroid

66
Q

Elevator of Larynx

A

Thyrohyoid

67
Q

what muscle Action: Abduct vocal folds

A

Posterior Cricoarytenoid

68
Q

pierces thyrohyoid

membrane

A

superior larengeal nerve internal branch

69
Q

Horners

A
  1. Drooping upper eyelid
  2. Decreased sweating
  3. Constricted pupil
70
Q

Horners syndrome is damage to what

A

o Results from unilateral damage to the sympathetic nervous system (cervical or thoracic)

71
Q

Horners associated with what ganglia

A

paravertebral ganglia

Anatomy Unit 4 (9 decks)

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