Brainscape's Knowledge GenomeTM

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


See full index

NE Exam 1 > Anterior Triangle Of The Neck > Flashcards

Anterior Triangle Of The Neck Flashcards

1
Q

What are the borders of the anterior triangle?

A

Midline of the neck, SCM and lower border of the mandible

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

What are the sub-triangles of the anterior triangle?

A

Carotid, submandibular, muscular and submental

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

What are the borders for the carotid triangle?

A

SCM, superior belly of omohyoid and posterior belly of the digastric

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

What are the borders for the submandibular triangle?

A

Anterior and posterior bellies of digastric and the mandible

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

What are the borders for the muscular triangle?

A

SCM, superior belly of omohyoid and midline from hyoid to manubrium

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

What are the borders for the submental triangle?

A

Unpaired

Both anterior bellies of digastric and hyoid bone

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

What are the contents of the submandibular (digastric) triangle?

A 
Submandibular gland and LNs 
Hypoglossal nerve (CN XII), mylohyoid nerve, parts of facial artery and vein
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What are the contents of the submental triangle?

A

Submental LNs and small veins that unite to form the anterior jugular vein

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

What are the contents of the carotid triangle?

A

Carotid sheath containing common carotid A and its branches
Internal jugular vein and its tributaries, vagus nerve, external carotid A and some branches, hypoglossal nerve (CN XII) and superior root of the Ansa cervicalis
Spinal accessory nerve (CN XI), thyroid gland, larynx and pharynx, deep cervical LNs and branches of the cervical plexus

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

What are the contents of the muscular triangle?

A

Sternothyroid and sternohyoid muscles

Thyroid and parathyroid glands

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

Which muscles are in the suprahyoid region?

A

Mylohyoid and geniohyoid

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

Which muscles are in the digastric suprahyoid region?

A

Digastric, hyoglossal and stylohyoid muscles

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

Which muscles are infrahyoid?

A

Sternohyoid, omohyoid, sternothyroid, thyrohyoid and cricothyroid

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

What is the origin and insertion of the mylohyoid?

A

Origin: mylohyoid line on mandible
Insertion: body of hyoid

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

What is the action of the mylohyoid?

A

Elevates hyoid bone, floor of mouth and tongue

Supports tongue and hyoid bone during swallowing, speaking and in tongue protrusion

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

Which muscles are innervated by the nerve to mylohyoid (branch of inferior alveolar N from CN V3)?

A

Mylohyoid and anterior belly of digastric

17
Q

What is the origin and insertion of the geniohyoid muscle?

A

Origin: mental spine on the mandible
Insertion: body of hyoid bone
Located superior/deep to the mylohyoid

18
Q

What is the action of the geniohyoid muscle?

A

Elevates hyoid bone, shortens floor fo the mouth and widens pharynx

19
Q

Which two muscles are innervated by C1 via the hypoglossal N?

A

Geniohyoid (suprahyoid M) and thyrohyoid (infrahyoid)

20
Q

What is the origin and insertion for the digastric muscle?

A

Origin: digastric fossa of the mandible (anterior belly) and mastoid notch of the temporal bone (posterior belly)
Insertion: intermediate tendon on body and greater horn of hyoid

21
Q

What is the action of the digastric muscle?

A

Elevates and steadies the hyoid bone during swallowing and speaking
Depresses the mandible

22
Q

Which muscles are innervated by the facial N?

A

Posterior belly of the digastric and stylohyoid M

23
Q

What is the action of the stylohyoid muscle?

A

Elevates and retracts hyoid bone

Elongates floor of the mouth

24
Q

Which muscles are innervated by the Ansa cervicalis (C1-3)?

A

Most infrahyoid muscles including sternohyoid, sternothyroid (C2-3) and omohyoid

25
Q

Which infrahyoid muscles depress the hyoid?

A

Sternohyoid, thyrohyoid and omohyoid

26
Q

Which infrahyoid muscles depresses thyroid cartilage?

A

Sternothyroid

27
Q

Which infrahyoid muscle elevates thyroid cartilage?

A

Thyrohyoid

28
Q

Which infrahyoid muscle retracts the hyoid?

A

Omohyoid

29
Q

What is the origin and insertion of the hyoglossus muscle?

A

From hyoid bone to lateral tongue

30
Q

What is the action of the hyoglossus muscle?

A

Depresses and shortens the tongue

31
Q

What is the hyoglossus muscle innervated by?

A

Cn XII (hypoglossal N)

32
Q

The cricothyroid muscle is important for what?

A

Vocalization

33
Q

What innervates the cricothyroid muscle?

A

External laryngeal N from the vagus N

NE Exam 1 (20 decks)

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