neck and face

Question 1

diagram of triangles of neck

Answer 1

Question 2

what are the 3 borders of the anterior triangle

Answer 2

inferior surface of mandible, anterior surface of sternocleidomastoid muscle, midline

Question 3

what 3 things does the anterior triangle contain

Answer 3

muscles, carotid arteries, internal jugular vein

Question 4

what 4 sets of muscles are contained within the anterior triangle

Answer 4

platysma, mylohyoid, digastric, infrahyoid (strap) muscles

Question 5

what 4 muscles make up the infrahyoid muscles

Answer 5

thyrohyoid, omohyoid, sternohyoid, sternothyroid

Question 6

function of infrahyoid muscles

Answer 6

depress hyoid bone

Question 7

what does the stylohyoid muscle connect

Answer 7

styloid process to hyloid

Question 8

what does the myoloid muscle connect

Answer 8

mandible to hyloid

Question 9

what does anterior belly of digastric muscle connect

Answer 9

digastric fossa of mandible to hyoid

Question 10

what does posterior belly of digastric muscle connect

Answer 10

hyoid to mastoid process

Question 11

diagram of anterior and posterior belly of digastric muscle, mylohyoid muscle and stylohoid muscle, and connections

Answer 11

Question 12

inferior view of mandible and hyoid: location of geniohyoid muscle

Answer 12

connects medial chin to hyoid; medial border of mylohyoid muscle

Question 13

inferior view of mandible and hyoid: location of mylohyoid muscle

Answer 13

oblique from mandible to hyoid

Question 14

inferior view of mandible and hyoid: location of stylohyoid muscle

Answer 14

more lateral; oblique from styloid process to hyoid

Question 15

inferior view of mandible and hyoid: location of anterior belly of digastric muscle

Answer 15

medially next to geniohyoid muscle

Question 16

inferior view of mandible and hyoid: location of posterior belly of digastric muscle

Answer 16

anterior reaches hyoid tendon and proceeds most laterally to mandible, forming an enclosure around stylohyoid muscle

Question 17

diagram of inferior view of mandible and hyoid

Answer 17

Question 18

inferior view of hyoid to clavicle: location of thyroid cartilage

Answer 18

medially below hyoid bone at C4-C5

Question 19

inferior view of hyoid to clavicle: location of thyrohyoid muscle

Answer 19

bilateral medially, connects thryoid cartilage to hyoid

Question 20

inferior view of hyoid to clavicle: location of sternothyroid muscle

Answer 20

bilateral medially, connects manubrium of sternum to hyoid

Question 21

inferior view of hyoid to clavicle: location of cricoid cartilage

Answer 21

medial below thyroid cartilage at C6

Question 22

inferior view of hyoid to clavicle: location of omohyoid muscle

Answer 22

most lateral, starts at hyoid and proceeds inferiorly then laterally (superficial to common carotid artery and internal jugular vein) to upper border of scapula

Question 23

inferior view of hyoid to clavicle: location of common carotid artery and internal jugular vein

Answer 23

lateral of all muscles, with internal jugular vein most lateral

Question 24

diagram of inferior view of hyoid to clavicle

Answer 24

Question 25

sagittal view of neck: nerve emerging with internal carotid artery and internal jugular vein

Answer 25

(spinal) accessory nerve XI

Question 26

what two neck muscles does (spinal) accessory nerve XI innervate

Answer 26

sternocleidomastoid muscle, trapezius muscle

Question 27

diagram of sagittal view of neck, including internal carotid artery, internal jugular vein, accessory nerve XI, sternocleidomastoid muscle and trapezius muscle

Answer 27