Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Anatomy > Anterior Triangle of the Neck > Flashcards

Anterior Triangle of the Neck Flashcards

1
Q

What creates the anterior boundary of anterior triangle?

A

Median line of the neck

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

The posterior boundary of the anterior triangle is formed by what?

A

Anterior border of SCM

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What forms the superior boundary of the anterior triangle of the neck?

A

Inferior border of the mandible

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

The jugular notch in the manubrium forms what part of the anterior triangle

A

Apex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What constitutes the floor of the anterior triangle?

A

Pharynx, larynx, thyroid gland

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

The subcutaneous tissue containing the platysma forms what part of the anterior triangle?

A

Roof

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What subdivides the anterior triangle into four smaller triangles?

A

Digastric

Omohyoid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What are the four small triangles?

A

Submental
Submandibular
Carotid
Muscular

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Among these:

Submental
Submandibular
Carotid
Muscular

Which is unpaired?

A

Submental

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What small triangle is inferior to the chin?

A

Submental

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

It is bounded inferiorly by the body of the hyoid and laterally by the right and left anterior bellies of the digastric muscles

A

Submental triangle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What forms the floor of the submental triangle?

A

2 mylohyoid muscles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What do you call the structure where the two mylohyoid muscles meet?

A

(median) fibrous raphe

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What forms the apex of the submental triangle?

A

Mandibular symphysis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

It is the site of union of the halves of the mandible during infancy

A

Mandibular symphysis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

This forms the base of the submental triangle

A

Hyoid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Does the submental triangle house lymph nodes?

A

Yes, submental lymph nodes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Small veins unite with submental lymph nodes to form the -

A

Anterior jugular vein

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

It is a glandular area between the inferior border of the mandible and the anterior and posterior bellies of the digastric muscle

A

Submandibular triangle or digastric triangle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What forms the floor of the submandibular triangle?

A

Mylohyoid
Hypoglossus muscle
Superior pharyngeal constrictor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What gland can be seen in the submandibular triangle?

A

Submandibular gland

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Where are the submandibular lymph nodes located relative to the submandibular gland and mandible?

A

Lie on each side of the gland, along inferior of the mandible

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What nerve provides motor innervation to intrinsic and extrinsic muscles of the tongue?

A

Hypoglossal nerve (CN XII)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

What nerve passes into the submandibular triangle together with nerve to mylohyoid?

A

Hypoglossal nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Nerve to mylohyoid is a branch to what CN?

A

CN V3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

What nerve supplies the anterior belly of the digastric?

A

Nerve to mylohyoid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

What artery passes into the submandibular triangle?

A

Submental artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Submental artery is a branch of what major artery to the face?

A

Facial artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

This triangle is a vascular area

A

Carotid triangle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

The carotid triangle is bounded by what muscles?

A

Superior belly of omohyoid
Posterior belly of digastric
Anterior border of the SCM

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

What part of the brachiocephalic trunk ascends to the carotid triangle?

A

Common carotid artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

Th pulse of the common carotid artery can be palpated where?

A

Transverse processes of the cervical vertebrae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

The common carotid artery divides into internal and external carotid arteries at the level of?

A

Superior border of the thyroid cartilage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

Structures located within the carotid triangle

A

Carotid sinus

Carotid body

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

It is a dilation of the proximal part of the internal carotid artery

A

Carotid sinus

36
Q

The carotid sinus is innervated principally by?

A

Glossopharyngeal nerve (CN IX) through carotid sinus nerve

Vagus nerve (CN X)

37
Q

A baroreceptor

A

Carotid sinus

38
Q

A small reddish brown ovoid mass of tissue

A

Carotid body

39
Q

Lies in a septum on the medial (deep) side of the bifurcation of the common carotid artery

A

Carotid body

40
Q

Supplied mainly by carotid sinus nerve

A

Carotid body

41
Q

Carotid body nerves

A

CN X and IX

42
Q

A chemoreceptor that monitors level of oxygen in the blood

A

Carotid body

43
Q

Stimulated by low levels of O2

Initiates a reflex > increases rate and depth of respiration, cardiac rate, and BP

A

Carotid body

44
Q

Surrounds neurovascular structures in the carotid triangle

A

Carotid sheath

45
Q

Position of carotid arteries within carotid sheath

A

Medial

46
Q

Position of IJV in carotid sheath

A

Lateral

47
Q

Position of vagus nerve in carotid sheath

A

Posterior

48
Q

Replaces the common carotid artery superiorly

A

Internal carotid artery

49
Q

Lies on our embedded in the anterolateral aspect of the carotid sheath

A

Ansa cervicalis

50
Q

These lie along the carotid sheath and IJV

A

Deep lymph nodes

51
Q

Boundaries of the muscular triangle

A

Superior belly of omohyoid
Anterior border of SCM
median plane of neck

52
Q

This triangle contains the infrahyoid muscles and viscera (thyroid and parathyroid glands)

A

Muscular triangle

53
Q

What 2 glands are found in submandibular or digastric triangle?

A

Parotid and submandibular

54
Q

Venous drainage in digastric triangle?

A

Anterior facial and internal jugular veins

55
Q

Inferior boundary of submental triangle

A

Hyoid bone

56
Q

Another name of muscular triangle

A

Triangle of necessity

Lower carotid triangle

57
Q

Floor of muscular triangle

A

Sternohyoid muscle

58
Q

Organs in muscular triangle

A

Thyroid gland
Lower part of larynx
Trachea

59
Q

Arteries in muscular triangle

A

Common carotid

Inferior thyroid

60
Q

Most important part of the anterior triangle

A

Carotid triangle or superior carotid triangle

61
Q

Floor of carotid triangle

A

Thyrohyoid
Hypoglossus
Middle and inferior pharyngeal constrictors

62
Q

Dilation of the proximal part of the internal carotid artery

A

Carotid sinus

63
Q

Condensation of deep cervical fascia

A

Carotid sheath

64
Q

The carotid sheath is thinner around arteries than veins. True or False

A

False thicker

65
Q

Different branches of common carotid artery

A

Superior thyroid artery - superior laryngeal
Lingual
Facial

66
Q

6 terminal branches of external carotid artery

A 
Ascending pharyngeal artery 
Occipital artery
Posterior auricular artery
Superior thyroid artery
Lingual
Facial
67
Q

Only medial branch of external carotid artery

A

Ascending pharyngeal

68
Q

Superior to origin of the facial artery

A

Occipital artery

69
Q

Most inferior of the three anterior branches

A

Superior thyroid artery

70
Q

Anterior branches of external carotid artery

A

Superior thyroid
Lingual
Facial

71
Q

Commencement of IJV

A

jugular foramen

Direct continuation of the sigmoid sinus

72
Q

Tributaries of IJV

A 
Inferior petrosal sinus
Facial and lingual
Pharyngeal
Superior and middle thyroid
Occipital
73
Q

Broad strap like muscle with 2 heads

A

SCM

Sternal head
Clavicular head

74
Q

Small triangular depression between 2 heads of SCM

A

Idk

75
Q

Muscles in anterior triangle

A

Suprahyoid vs Infrahyoid

Stylohyoid
Digastric
Mylohyoid
Geniohyoid

Omohyoid
Sternohyoid
Thyrohyoid
Sternothyroid

76
Q

Suprahyoid muscles are usually found in which triangles

A

Submental and submandibular

77
Q

Nerve supply of stylohyoid

A

Facial nerve

78
Q

Has 2 bellies - anterior and posterior

A

Digastric muscles

79
Q

Opens mouth by lowering mandible and raising hyoid bone

A

Digastric muscle

80
Q

Nerve supply of digastric muscle

A

Mylohyoid (manibular)

Facial - posterior belly

81
Q

Nerve supply of mylohyoid

A

Trigeminal nerve

82
Q

Nerve supply of geniohyoid

A

Hypoglossal

83
Q

STRAP MUSCLES

A

Infrahyoid

84
Q

Nerve supply of sternohyoid

A

Anterior ramus of Ansa cervicalis

85
Q

O - hyoid
I - isthmus or pyramidal lobe of thyroid gland

Inconstant muscle

A

Levator glandulae thyroideae ms

Anatomy (6 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions