Neck

Question 1

Sternocleidomastoid attachments

Answer 1

Manubrium and medial third of the clavicle

Mastoid process and lateral half of superior nuchal line

Question 2

Sternocleidomastoid innervation

Answer 2

Spinal root of CN XI

C2-C3

Question 3

Sternocleidomastoid action

Answer 3

Laterally flexes and rotates head to opposite side

Question 4

Sternocleidomastoid blood supply

Answer 4

Superior thyroid artery and occipital artery

Question 5

Posterior scalene attachments

Answer 5

2nd rib

C4-C6 transverse processes

Question 6

Posterior scalene innervation

Answer 6

C6-C8

Question 7

Posterior scalene action

Answer 7

Flexes neck laterally

elevates 2nd rib

Question 8

Posterior scalene blood supply

Answer 8

Ascending cervical artery

Question 9

Middle scalene attachments

Answer 9

1st rib

C2-C7 transverse processes

Question 10

Middle scalene action

Answer 10

Flexes neck laterally

Elevates 1st rib

Question 11

Middle scalene blood supply

Answer 11

Ascending cervical artery

Question 12

Middle scalene innervation

Answer 12

C3-C8

Question 13

Anterior scalene attachments

Answer 13

1st rib

C3-C6 transverse processes

Question 14

Anterior scalene innervation

Answer 14

C5-C7

Question 15

Anterior scalene action

Answer 15

Flexes neck laterally

Elevates first rib

Question 16

Anterior scalene blood supply

Answer 16

Ascending cervical artery

Question 17

Sternohyoid attachments

Answer 17

Manubrium of sternum and medial end of clavicle

Body of hyoid bone

Question 18

Sternohyoid innervation

Answer 18

C1-C3 from ansa cervicalis

Question 19

Sternohyoid action

Answer 19

Depresses hyoid bone after swallowing

Question 20

Sternohyoid blood supply

Answer 20

Superior thyroid artery

Question 21

Sternothyroid attachments

Answer 21

Posterior surface of manubrium of sternum

Oblique line of thyroid lamina

Question 22

Sternothyroid innervation

Answer 22

C2 and C3 from ansa cervicalis

Question 23

Sternothyroid action

Answer 23

Depresses larynx after swallowing

Question 24

Sternothyroid blood supply

Answer 24

Superior thyroid artery

Question 25

Thyrohyoid attachments

Answer 25

Oblique line of thyroid cartilage | Body and greater horn of hyoid bone

Question 26

Thyrohyoid innervation

Answer 26

C1 via hypoglossal nerve

Question 27

Thyrohyoid action

Answer 27

Depresses hyoid bone and elevates larynx when hyoid bone is fixed

Question 28

Thyrohyoid blood supply

Answer 28

Superior thyroid artery

Question 29

Omohyoid attachments

Answer 29

Superior border of scapula near notch | Inferior border of hyoid bone

Question 30

Omohyoid innervation

Answer 30

C1-C3 from ansa cervicalis

Question 31

Omohyoid blood supply

Answer 31

Superior thyroid artery | Transverse cervical artery

Question 32

Mylohyoid attachments

Answer 32

Mylohyoid line of mandible | Raphe and body of hyoid bone

Question 33

Mylohyoid innervation

Answer 33

mylohyoid nerve

Question 34

Mylohyoid action

Answer 34

Elevates hyoid bone, floor of mouth and tongue during swallowing and speaking

Question 35

Mylohyoid blood supply

Answer 35

Mylohyoid branch of inferior alveolar artery

Question 36

Stylohyoid attachments

Answer 36

Styloid process | Body of hyoid bone

Question 37

Stylohyoid innervation

Answer 37

Facial nerve (CN VII)

Question 38

Stylohyoid action

Answer 38

Elevates and retracts hyoid bone

Question 39

Stylohyoid blood supply

Answer 39

Ascending pharyngeal artery