Head & Neck 3

Question 1

what are the 2 divisions of the neck?

Answer 1

The sternocleidomastoid muscle divides each side of the neck

anterior triangle and posterior triangle

Question 2

what are the boundaries of the anterior triangle

Answer 2

• Anterior border of the sternocleidomastoid muscle
• Midline of the neck
  Mandible –> suprasternal notch
• Inferior border of mandible
  Mandible –> mastoid process (TB)

Question 3

what is the anterior triangle split into? (sub triangles) which is unpaired

Answer 3

• Submental triangle* - unpaired
• Submandibular triangle
• Carotid triangle
• Muscular triangle

mental men need caring mothers

Question 4

label the borders of the anterior triangle of the neck

Answer 4

Question 5

label the differnet sub triangles of the anterior triangle of the neck

Answer 5

Question 6

submental triangle borders?

Answer 6

• Anterior belly of right digastric m.
• Anterior belly of left digastric m.
• Hyoid bone

Question 7

contents of submental triangle

Answer 7

Question 8

submandibular triangle boundaries

Answer 8

Borders of the submandibular triangle:
* Inferior border of mandible
* Anterior belly of digastric m.
* Posterior belly of digastric m

Question 9

Contents of submandibular triangle and label

Answer 9

Question 10

boundaries of the carotid triangle

Answer 10

Borders of the carotid triangle:
* Anterior border of sternocleidomastoid m.
* Posterior belly of digastric m.
* Superior belly of omohyoid m.

Question 11

what are the contents of the carotid triangle? label

Answer 11

Question 12

borders of the muscular triangle

Answer 12

Borders of the muscular triangle:
* Anterior border of sternocleidomastoid m.
* Superior belly of omohyoid m.
* Midline of neck

Question 13

Floor of muscular triangle4

Answer 13

• Sternohyoid m.
• Sternothyroid m.

Question 14

contents of the muscular triangle

Answer 14

Question 15

what structures are in the muscular triangle?

Answer 15

strap muscles
thyroid gland
parathyroid glands

Question 16

label the anterior triangle of the neck

Answer 16

Question 17

borders of posterior triangle of the neck

Answer 17

Borders of the posterior triangle:
* Posterior border of the sternocleidomastoid muscle
* Middle third of clavicle
* Anterior border of trapezius muscle

Question 18

what are the 2 divisions of the posterior triangle? and what divides it?

Answer 18

• Omohyoid muscle

Divides the posterior triangle into 2 sub-triangles:
* Omoclavicular triangle (AKA supraclavicular triangle)
* Occipital triangle

Question 19

label the borders of the posterior triangle of the neck

Answer 19

Borders of the posterior triangle:
* Posterior border of the
sternocleidomastoid muscle
* Middle third of clavicle
* Anterior border of trapezius

Question 20

what forms the roof of the posterior triangle?

Answer 20

Roof of the posterior triangle:
* Skin
* Superficial fascia with platysma
* Superficial fascia (investing) layer of deep cervical fascia

Question 21

what makes the floor of the posterior triangle

Answer 21

Floor of the posterior triangle:
* Scalene muscles (anterior, middle, posterior)
* Levator scapulae m.
* Splenius capitis m.

scary men leave sperm

Question 22

Borders of the omoclavicular triangle:

Answer 22

• Inferior belly of omohyoid m.
• Posterior border of sternocleidomastoid m.
• Middle third of clavicle

Question 23

Contents of omoclavicular triangle

Answer 23

Question 24

Borders of the occipital triangle:

Answer 24

• Anterior border of trapezius m.
• Posterior border of sternocleidomastoid m.
• Inferior belly of omohyoid m.

Question 25

Contents of occipital triangle:

Answer 25

Question 26

clinical significance of the submental triangle (anterior triangle)

Answer 26

Question 27

clinical significance of submandibular triangle (anterior)

Answer 27

Question 28

clinical significance of the carotid triangle (anterior)

Answer 28

Question 29

clinical significance of the muscular triangle (anterior)

Answer 29

Question 30

clinical significance of the supraclavicular triangle (posterior)

Answer 30

Question 31

clinical significance of the occipital triangle (posterior)

Answer 31