Head and neck Flashcards

1
Q

what is the occipital protuberance

A

lump at the back of the head found on the occipital bone

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2
Q

where is the styloid process

A

temporal bone

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3
Q

what are the layers of the scalp

A

skin, dense connective tissue, aponeurosis of the occipitofrontalis muscle, looser areolar connective tissue, periosteum

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4
Q

what is the anterior part of the scalp supplied by

A

branches of the trigeminal nerve

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5
Q

what is the posterior part of the scalp supplied by

A

greater and lesser occipital nerve

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6
Q

Greater occipital nerve is from ?

A

C2/3

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7
Q

lesser occipital nerve is from

A

C2

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8
Q

function of the orbiculares oculi

A

gently closes the eyeball

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9
Q

function of the occipital belly of occipitofrontalis

A

retracts the scalp

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10
Q

Function of the orbital part of the orbiculares oris

A

tightly closes eyelid ie winking

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11
Q

function of frontal belly of occipitofrontalis

A

protracts the scalp so wrinkles forehead and elevates the eyebrows

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12
Q

function of the buccinator

A

helps maintain food within the oral cavity

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13
Q

function of the platysma

A

depresses the mandible and tenses the sin on the neck and the chin

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14
Q

function of the orbicularis oris

A

closes the mouth and protrudes the lips, resists pressure when blowing

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15
Q

what innervates all the facial muscles

A

facial nerve

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16
Q

where does the facial nerve enter onto the side of the face

A

through the stylomastoid foramen

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17
Q

what are the two arteries that supply the face

A

facial artery and the superficial temporal artery

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18
Q

what are the facial and superficial temporal artery branches of?

A

external carotid artery

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19
Q

what is the path of the facial artery

A

winds around the inferior border of the mandible and then grooves the submandibular salivary gland before entering the side of the face

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20
Q

venous drainage of the face

A

facial and superficial temporal vein which drain into the retromandibular and then the internal jugular

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21
Q

what type of gland are the salivary glands

A

exocrine

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22
Q

where do secretions from the parotid gland go

A

parotid duct which emerges from the anterior border of the gland going through the master muscle and opens into the oral cavity near the second upper molar tooth

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23
Q

what structures pass through the parotid gland

A

facial nerve
external carotid artery
retromandibular nerve

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24
Q

innervation of the parotid gland?

A

parasympathetic through the glossopharyngeal nerve

sympathetic from the superior cervical ganglion

25
Q

innervation of the submandibular and sublingual

A

facial nerve

26
Q

what separates the two lobes of the submandibular salivary gland

A

mylohyoid muscle

27
Q

what are the 4 compartments found in the neck

A

vertebral, vascular, visceral, musculofascial

28
Q

what joint is present between the occipital condyles and C1

A

ellipsoid synovial joint

29
Q

what is present between C1 and C2

A

odontoid peg

also find a pivot joint

30
Q

what is the 7th cervical vertebrae called

A

vertebra prominens

31
Q

what is a key feature of the cervical vertebrae

A

spinous processes that bifurcate

32
Q

what is found in the neuromuscular sheath

A

common carotid, internal jugular vein, hypoglossal and vagus nerve

33
Q

what is found in the muscular triangle

A

strap muscles of the neck, pharynx, thyroid and parathyroid glands

34
Q

what is found in the submandibular triangle of the neck

A

facial artery and submandibular gland

35
Q

attachements of the hyoid bone

A

suprahyoid muscles infra hyoid muscles and digastric and omohyoid

36
Q

function and innervation of mylohyoid

A

pulls hyoid bone up and forward

mandibular nerve

37
Q

function and innervation of geniohyoid

A

pulls hyoid bone up and forward

C1 nerve roots that run within the hypoglossal

38
Q

function and innervation of the diagastric

A

anterior belly by mandibular nerve

posterior belly by facial nerve

39
Q

innervation of the stylohyoid

A

facial nerve

40
Q

innervation of the sternohyoid

A

cervical plexus C1-3

41
Q

innervation of sternothyroid

A

cervical plexus C1-3

42
Q

innervation of thyrohyoid

A

C1 roots travelling within the hypoglossal nerve

43
Q

innervation of omohyoid

A

cervical plexus C1-3

44
Q

what connects the two lobes of the thyroid gland

A

isthmus

45
Q

where does the isthmus lie

A

in the region of the second and third tracheal rings

46
Q

blood supply of the thyroid gland

A

superior thyroid artery

47
Q

function of the genioglossus

A

protrudes tongue to opposite side

48
Q

function of the hyoglossus

A

depresses and retracts and elevates the tongue

49
Q

function of the styloglossus

A

retracts and elevates the tongue

50
Q

palatoglossus

A

elevates the posterior aspect of the tongue and depresses the soft palate

51
Q

innervation of the palatoglossus

A

pharyngeal plexus of the vagus nerve

52
Q

muscles of the soft palate

A
levator veli palatini
tensor veli palatini
palatoglossus 
palatopharyngeus
musculus uvalae
53
Q

what two bones compose the hard palate

A

palatine process of maxilla

palatine bone

54
Q

what are the muscles of the soft palate innervated by

A

pharyngeal branch of the vagus nerve but tensor veil is by the mandibular nerve

55
Q

what is transmitted through the optic foramen

A

optic nerve and ophthalmic artery

56
Q

superior orbital fissure

A

abducens nerve, trochlear,ocullomotr ophthalmic veins

57
Q

interior orbital fisure

A

maxillary nerve of trigeminal

58
Q

what are the terminal branches of the facial nerve

A
temporal 
zygomatic 
buccal
marginal mandibulr
cervical