MOINA of the Neck

Question 1

origin of platysma

Answer 1

Deep fascia over pectoralis major and deltoid

Question 2

insertion of platysma

Answer 2

Body of mandible and angle of mouth

Question 3

nerve supply of platysma

Answer 3

Facial nerve cervical branch

Question 4

action of platysma

Answer 4

Depresses mandible and angle of mouth

Question 5

origin of sternocleidomastoid

Answer 5

Manubrium sterni and medial third of clavicle

Question 6

insertion of sternocleidomastoid

Answer 6

Mastoid process of temporal bone and occipital bone

Question 7

nerve supply of sternocleidomastoid

Answer 7

Spinal part of accessory nerve and C2 and 3

Question 8

action of sternocleidomastoid

Answer 8

Two muscles acting together extend head and flex neck; one muscle rotates head to opposite side

Question 9

origin of posterior belly (digastric)

Answer 9

Mastoid process of temporal bone

Question 10

insertion of posterior belly (digastric)

Answer 10

Intermediate tendon is held to hyoid by fascial sling

Question 11

nerve supply of posterior belly (digastric)

Answer 11

Facial nerve

Question 12

action of posterior belly (digastric)

Answer 12

Depresses mandible or elevates hyoid bone

Question 13

origin of anterior belly (digastric)

Answer 13

Body of mandible

Question 14

insertion of anterior belly (digastric)

Answer 14

Intermediate tendon is held to hyoid by fascial sling

Question 15

nerve supply of anterior belly (digastric)

Answer 15

Nerve to mylohyoid

Question 16

action of anterior belly (digastric)

Answer 16

Depresses mandible or elevates hyoid bone

Question 17

origin of stylohyoid

Answer 17

Styloid process

Question 18

insertion of stylohyoid

Answer 18

Body of hyoid bone

Question 19

nerve supply of stylohyoid

Answer 19

Facial nerve

Question 20

action of stylohyoid

Answer 20

Elevates hyoid bone

Question 21

origin of mylohyoid

Answer 21

Mylohyoid line of body of mandible

Question 22

insertion of mylohyoid

Answer 22

Body of hyoid bone and fibrous raphe

Question 23

nerve supply of mylohyoid

Answer 23

Inferior alveolar nerve

Question 24

action of mylohyoid

Answer 24

Elevates floor of mouth and hyoid bone or depresses mandible

Question 25

origin of geniohyoid

Answer 25

Inferior mental spine of mandible

Question 26

insertion of geniohyoid

Answer 26

Body of hyoid bone

Question 27

nerve supply of geniohyoid

Answer 27

First cervical nerve

Question 28

action of geniohyoid

Answer 28

Elevates hyoid bone or depresses mandible

Question 29

origin of sternohyoid

Answer 29

Manubrium sterni and clavicle

Question 30

insertion of sternohyoid

Answer 30

Body of hyoid bone

Question 31

nerve supply of sternohyoid

Answer 31

Ansa cervicalis; C1, 2, and 3

Question 32

action of sternohyoid

Answer 32

Depresses hyoid bone

Question 33

origin of sternothyroid

Answer 33

Manubrium sterni

Question 34

insertion of sternothyroid

Answer 34

Oblique line on lamina of thyroid cartilage

Question 35

nerve supply of sternothyroid

Answer 35

Ansa cervicalis; C1, 2, and 3

Question 36

action of sternothyroid

Answer 36

Depresses larynx

Question 37

origin of thyrohyoid

Answer 37

Oblique line on lamina of thyroid cartilage

Question 38

insertion of thyrohyoid

Answer 38

Lower border of body of hyoid bone

Question 39

nerve supply of thyrohyoid

Answer 39

First cervical nerve

Question 40

action of thyrohyoid

Answer 40

Depresses hyoid bone or elevates larynx

Question 41

origin of inferior belly (omohyoid)

Answer 41

Upper margin of scapula and suprascapular ligament

Question 42

insertion of inferior belly (omohyoid)

Answer 42

Intermediate tendon is held to clavicle and first rib by fascial sling

Question 43

nerve supply of inferior belly (omohyoid)

Answer 43

Ansa cervicalis; C1, 2, and 3

Question 44

action of inferior belly (omohyoid)

Answer 44

Depresses hyoid bone

Question 45

origin of superior belly (omohyoid)

Answer 45

Lower border of body of hyoid bone

Question 46

insertion of superior belly (omohyoid)

Answer 46

Intermediate tendon is held to clavicle and first rib by fascial sling

Question 47

nerve supply of superior belly (omohyoid)

Answer 47

Ansa cervicalis; C1, 2, and 3

Question 48

action of superior belly (omohyoid)

Answer 48

Depresses hyoid bone

Question 49

origin of scalenus anterior

Answer 49

Transverse processes of third, fourth, fifth, and sixth cervical vertebrae

Question 50

insertion of scalenus anterior

Answer 50

First rib

Question 51

nerve supply of scalenus anterior

Answer 51

C4, 5, and 6

Question 52

action of scalenus anterior

Answer 52

Elevates first rib; laterally flexes and rotates cervical part of vertebral column

Question 53

origin of scalenus medius

Answer 53

Transverse processes of upper six cervical vertebrae

Question 54

insertion of scalenus medius

Answer 54

First rib

Question 55

nerve supply of scalenus medius

Answer 55

Anterior rami of cervical nerves

Question 56

action of scalenus medius

Answer 56

Elevates first rib; laterally flexes and rotates cervical part of vertebral column

Question 57

origin of scalenus posterior

Answer 57

Transverse processes of lower cervical vertebrae

Question 58

insertion of scalenus posterior

Answer 58

Second rib

Question 59

nerve supply of scalenus posterior

Answer 59

Anterior rami of cervical nerves

Question 60

action of scalenus posterior

Answer 60

Elevates second rib; laterally flexes and rotates cervical part of vertebral column