exam 2 actions

Question 1

laterally flexes head, and rotates head and neck

Answer 1

sternocleidomastoid

Question 2

extends head, flexes neck, anteriorly protrudes head, and aids in inspiration by elevating manubrium and clavicle

Answer 2

sternocleidomastoid

Question 3

laterally flexes neck

Answer 3

sternocleidomastoid
anterior scalene
middle scalene
posterior scalene

Question 4

elevate 1st rib

Answer 4

anterior scalene
middle scalene

Question 5

elevate 2nd rib

Answer 5

posterior scalene

Question 6

draws corners of mouth inferiorly and widens mouth

Answer 6

platysma

Question 7

draws skin of neck superiorly

Answer 7

platysma

Question 8

retracts hyoid

Answer 8

omohyoid,
stylohyoid

Question 9

protract hyoid

Answer 9

geniohyoid

Question 10

depresses hyoid

Answer 10

omohyoid
sternohyoid
thyrohyoid

Question 11

elevate hyoid

Answer 11

digastric
mylohyoid
stylohyoid
geniohyoid

Question 12

depress larnyx

Answer 12

sternothyroid

Question 13

elevate larynx

Answer 13

thyrohyoid

Question 14

stretches and tenses vocal cords to raise pitch of voice

Answer 14

cricothyroid

Question 15

depress mandible

Answer 15

digastric

Question 16

elevate floor of the mouth

Answer 16

mylohyoid