Brainscape's Knowledge GenomeTM

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


See full index

Winter Anatomy Quiz 2 > Triangles of the Neck > Flashcards

Triangles of the Neck Flashcards

1
Q

What is the action of the platysma?

A

Facial expression

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

What is the platysma muscle innervated by?

A

Facial nerve

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

What is the origin of the platysma muscle?

A

Deltoid and pec major muscles

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

Where does the platysma muscle insert?

A

Mandible

Skin of lower face

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

What are the structures of the neck from superior to inferior?

A 
Hyoid
Thyroid cartilage
Cricoid cartilage
Thyroid 
Trachea
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What innervates the superficial neck muscles?

A

Facial nerve- platysma

Accessory nerve- Trapezius and SCM

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

What are the 3 fascias?

A

Investing
Visceral
Prevertebral

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

Which of the fascias is most superficial?

A

Investing

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

Which of the fascias splits into 2 layers to surround the SCM, trapezius, submandibular and parotid glands?

A

Investing

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

What divides the neck into posterior and anterior triangles?

A

SCM

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

Which of the fascia surrounds the larynx, trachea, esophagus and thyroid?

A

Visceral

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

Which of the fascias surrounds the vertebral column?

A

Prevertebral

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

Which of the fascias extends laterally and becomes the axillary sheath?

A

Prevertebral

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

What does the axillary sheath surround?

A

Axillary vessels

Brachial plexus

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

Which of the fascias is the carotid sheath in?

A

None!

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

What is the structure directly anterior to the trachea?

A

Thyroid gland

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

The strap muscles are also called what?

A

Infrahyoid muscles

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

What are the 4 strap muscles?

A

Omohyoid
Sternohyoid
Sternothyroid
Thyrohyoid

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

What do the strap muscles do?

A

Depress hyoid

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

Which muscles elevate the hyoid?

A

Suprahyoid muscles

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

What are the 4 suprahyoid muscles?

A

Anterior digastric
Posterior digastric
Stylohyoid
Mylohyoid

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

What are the 3 borders of the anterior triangle?

A

Midline
Anterior border of SCM
Inferior border of mandible

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

What are the 4 divisions of the anterior triangle?

A

Submental
Submandibular/digastric
Carotid
Muscular

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

Go over the arteries starting with the aorta!

A

Make sure to remember the branches of the external carotid artery (Salma And Larry Fucked On Poor Marek’s Shoes)

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

What are the borders of the submental triangle?

A

Both anterior digastrics

Hyoid bone

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

What forms the floor of the submental triangle?

A

Mylohyoid

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

What structure lies within the submental triangle?

A

Submental lymph nodes

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

What are the borders of the submandibular/digastric triangle?

A

Anterior digastric
Posterior digastric
Mandible

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

What forms the floor of the submandibular/digastric triangle?

A

Mylohyoid

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

What 5 structures lie within the submandibular/digastric triangle?

A 
Submandibular gland
Facial vessels
Hypoglossal nerve
CNV3 branch to mylohyoid
Lymph nodes
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

The facial vessels travel in which triangle?

A

Submandibular/digastric

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

The hypoglossal nerve travels in which triangles?

A

Submandibular/digastric

Carotid

33
Q

The nerve that innervates the mylohyoid is what? What triangle does it pass through?

A

CNV3

Submandibular

34
Q

What are the borders of the carotid triangle?

A

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

35
Q

The carotid sheath is in which triangle?

A

Carotid

36
Q

What are the 6 important structures within the carotid sheath?

A 
Common carotid and bifurcation
Internal common carotid
Internal jugular vein
Vagus n.
Deep cervical lymph nodes
Carotid body and sinus
37
Q

Which arteries run within the carotid sheath?

A

Common carotid

Internal common carotid

38
Q

Which veins run in the carotid sheath?

A

Internal jugular

39
Q

Which nerves run in the carotid sheath?

A

Vagus

40
Q

Which lymph vessels run in the carotid sheath?

A

Deep cervical lymph nodes

41
Q

The cervical plexus is located in which triangle?

A

Carotid

42
Q

The ansa cervicalis is located in which triangle?

A

Carotid

43
Q

What are the borders of the muscular triangle?

A

Hyoid
Superior belly omohyoid
Anterior border of SCM
Midline

44
Q

What does the muscular triangle contain?

A

4 strap muscles

45
Q

What is the carotid sinus?

A

Dilated region of the proximal internal carotid artery

46
Q

What do the carotid sinus and body sense?

A

Sinus- blood pressure

Body- PO2 and PCO2 levels

47
Q

Where is the carotid body lie?

A

Crotch between external and internal carotid arteries

48
Q

The afferents from the carotid sinus and body travels in which nerve?

A

Glossopharyngeal

49
Q

What travels anterior to the anterior scalene muscle?

A

Phrenic nerve

50
Q

True or False. The hyoid articulates with thyroid cartilage and the mandible.

A

False. The hyoid is a floating bone and doesn’t have any articulations.

51
Q

Where does lymph first drain in the neck? Then where does it drain?

A

Superficial cervical nodes

Inferior deep cervical nodes

52
Q

The EJV and IJV run with which lymph vessels?

A

EJV- superficial cervical nodes

IJV- inferior deep cervical nodes

53
Q

Which vein runs superficial to the SCM?

A

EJV

54
Q

The ___________ empties into the _____________ vein.

A

EJV

Subclavian

55
Q

The ___________ converges with the __________ vein to form the _______________ vein.

A

IJV
Subclavian
Brachiocephalic

56
Q

The hypoglossal nerve runs _________ to which muscle?

A

Deep

Posterior digastric

57
Q

Which nerve runs superficially and superior to the carotid bifurcation?

A

Hypoglossal

58
Q

The hypoglossal nerve runs with which branch of the ansa cervicalis?

A

Superior branch- ventral rami of C1

59
Q

What are the anterior, posterior and inferior borders of the posterior triangle?

A

Anterior- posterior SCM
Posterior- anterior trapezius
Inferior- mid-clavicle

60
Q

What forms the roof and floor of the posterior triangle?

A

Roof- investing fascia

Floor- prevertebral fascia

61
Q

What nerves does the cervical plexus contain?

A

Ventral rami of C1-C4

62
Q

What are 3 innervations of the cervical plexus?

A

Neck muscles
Diaphragm
Skin of head, neck, chest

63
Q

Which cervical plexus nerves travel with the hypoglossal nerve?

A

C1 fibers

64
Q

What 2 structures do the C1 cervical plexus fibers innervate?

A

Thyrohyoid

Geniohyoid

65
Q

Which cervical nerves form the superior branch of the ansa cervicalis?

A

C1 ventral rami

66
Q

Which cervical nerves form the inferior branch of the ansa cervicalis?

A

C2-C3 ventral rami

67
Q

Which of the cervical spinal nerves do NOT contribute to the ansa cervicalis?

A

C4 ventral rami

68
Q

The ansa cervicalis provides innervation to most of the _________. The exception is?

A

3/4 of the strap muscles

NOT the thyrohyoid

69
Q

What are the 4 branches of the cervical plexus?

A

Transverse cervical
Supraclavicular
Great auricular
Lesser occipital

70
Q

Which nerves of the cervical plexus run posterior to the SCM?

A

Transverse cervical
Supraclavicular
Great auricular

71
Q

What artery supplies the thyroid and larynx?

A

Superior thyroid

72
Q

What artery supplies the pharynx?

A

Ascending pharyngeal

73
Q

What artery supplies the tongue?

A

Lingual

74
Q

What artery supplies the submandibular gland?

A

Facial

75
Q

What artery supplies the posterior scalp?

A

Occipital

76
Q

What artery supplies the posterior ear and scalp?

A

Posterior auricular

77
Q

What artery supplies the nasal cavity and palate?

A

Maxillary

78
Q

What artery supplies the anterior ear and scalp?

A

Superficial temporal

79
Q

What are the 3 superficial muscles of the neck?

A

Platysma
Trapezius
SCM

Winter Anatomy Quiz 2 (2 decks)

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