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ANATOMY > Anterior Neck And Thyroid > Flashcards

Anterior Neck And Thyroid Flashcards

1
Q

Where is the hyoid bone

A

Anterior upper neck
Inferior to Mandible

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2
Q

Hyoid bone function

A

Helps keep pharynx open and is an attachment point for muscle in neck and tongue

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3
Q

What is the larynx

A

Voice box

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4
Q

Larynx function

A

Protects Rtract
Contains vocal cords for phonation

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5
Q

What shape is the anterior neck muscle

A

Scalene

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6
Q

What shape is the posterior neck muscle

A

Isosceles

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7
Q

What separates the anterior and posterior neck muscles

A

Sternocleidomastoid muscle

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8
Q

What 3 places you s the sternocleidomastoid attached to

A

Sternum
Clavicle
Mastoid process

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9
Q

T:/F
Sternocleidomastoid can only act bilateral

A

F
Both bilateral and unilateral

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10
Q

What nerve innervated the Sternocleidomastoid

A

Accessory (cranial 11)

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11
Q

Which 2 muscles does accessory nerve innervate

A

Sternocleidomastoid
Trapezius

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12
Q

Where does accessory nerve originate

A

C6-c7

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13
Q

Outline the boundaries of the anterior triangle

A

Anterior- midline neck
Posterior- anterior border of Sternocleidomastoid
Superior- lower border of mandible

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14
Q

List the nerves + fibres of anterior triangle

A

Nerves

-facial nerves branches( (7)
-Glossopharyngeal (9)
-vagus(10)
-accessory(11)
-hypoglosaal (12)
ASA cervicalis (c1-c3)

HAV FAG

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15
Q

List the vessels of the anterior triangle in the neck

A

Common carotid
Internal and external carotid
Internal jugular vein

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16
Q

List the structures + glands in the anterior triangle of neck

A

Trachea
Larynx
Thyroid
Parathyroid
Submandibular salivary

PLTTS

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17
Q

List the muscles of the anterior triangle in the neck

A

Infrahyoid
Suprahyoid

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18
Q

List the vessels on the posterior triangle of the neck

A

Subclavian artery
Subclavian vein
External jugular

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19
Q

List the nerves + fibres of the posterior triangle of the neck

A

Accessory 11
Brachial plexus
Cervicle plexus
Phrenic nerve

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20
Q

List the 4 suprahyoid muscles

A

Mylohyoid
Geniohyoid
Styohyoid
Digastric

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21
Q

List the 4 infrahyoid muscles

A

Omohyoid
Sternohyoid
Sternothryroid
Thryohyoid

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22
Q

Do sternohyoid and omohyoid lie superficial of deep

A

Superficial

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23
Q

do Sternothyroid and thyrohyoid lie deep

A

deep

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24
Q

Where does the thyroid gland lie

A

just lateral to the lower larynx and upper trachea

25
Q

how many lobes doe the thyroid have

A

2

26
Q

discuss the thyroids blood supply

A

L+ R superior thyroid arteries
L + R inferior thyroid arteries

27
Q

How many parathyroid glands are there

A

usually 4

28
Q

what hormone does the parathyroid gland produce and what its function is

A

Parathryoid hormone for calcium regulation

29
Q

where is parathyroid embedded

A

posterior to thyroid

30
Q

what is the parathyroids blood supply

A

inferior thyroid arteries

31
Q

pulsation of the internal carotid can be palpated where?

A

immediately lateral to larynx

32
Q

what does the internal carotid supply

A

brain

33
Q

external carotid artery gives rise to several branches that supply the
head and neck, including the
—-
—-
—-
—-
—-

A

tongue
face
thyroid
scalp
pharynx

34
Q

When common carotid bifurcates there is a swelling called _____

A

carotid sinus

35
Q

what is located in the carotid sinus for homeostasis

A

baroreceptors

36
Q

when baroreceptors in carotid sinus detect a change in b/p where is the visceral sensory information sent along and where to

A

Glossopharyngeal nerve to CNS

37
Q

what does the subclavian artery supply

A

Upper limbs, thorax, neck region, brain

38
Q

list the 5 branches of subclavian artery

A

Vertebral artery
Internal thoracic artery
Thyrocervical trunk
Costo cervical trunk
Dorsal scapular artery

VIT CD

39
Q

The thyrocervical trunk give rise to the internal thoracic artery, this supplies the _____

A

larynx, pharynx, trachea, platysma, oesophagus, thyroid and parathyroid glands

LOTTPPP

40
Q

What is the major vein of the neck

A

Jugular

41
Q

_______ + _______ = brachiocephalic vein.

A

subclavian vein + internal jugular

42
Q

_______ + _________ = superior vena cava.

A

L + R brachiocephalic vein

43
Q

what does the facial nerve supply in the neck

A

platysma

44
Q

what does glossopharyngeal nerve (CN IX) supply

A

● pharynx
● carotid sinus

45
Q

The vagus nerve (CN X) is vital for normal speech and swallowing. What does it supply in neck

A

muscles of pharynx
larynx

46
Q

what three structures run
together in a fascial sleeve called the carotid sheath.

A

internal jugular
internal carotid
vagus nerve

47
Q

The accessory nerve (CN XI) supplies the what in the neck

A

sternocleidomastoid and trapezius

48
Q

The hypoglossal nerve (CN XII) is motor to the muscles of the ____

A

tongue

49
Q

hypoglossal nerve doesn’t supply anything in the neck and only levels through it
T/F

A

T

50
Q

where does hypoglossal nerve run

A

lateral to internal carotid artery and deep to external jugular

51
Q

The head and neck are richly innervated with ________ nerves

A

sympathetic

52
Q

A patient may develop hypocalcaemia after thyroid surgery - why?

A

parathyroid glands may be removed, which
disturbs calcium homeostasis resulting in hypoparathyroidism

53
Q

Injury to the recurrent laryngeal nerve results in an
inability to move the

A

ipsilateral vocal cord

54
Q

inability to move ipsilateral vocal cords affects……

A

quality of the voice

55
Q

what is Carotid artery stenosis

A

when atheroma in carotid artery causes lumen narrowing (stenosis)

56
Q

is an atheroma break up what could happen to the brain

A

Atheroma fragment could travel along cerebral arteries causing a stroke

57
Q

What is the function of the infrahyoid muscles

A

move the larynx up and down the neck and support its central positon

58
Q

Which structure may be compressed by an enlarged thyroid gland

A

trachea

ANATOMY (29 decks)

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