BIO 141 VINES: Quiz #14
What is the origin of the masseter muscle? Is the below answer correct? The superficial portion originates from the zygomatic process of the maxilla and the deep portion originates from the zygomatic arch.
yes
What is the insertion of the temporalis?
coronoid process and ramus of mandible
Where does the sternocleidomastoid muscle insert?
mastoid process of the temporal
What is the action of the risorius? Is the below answer correct? The risorius adducts the corners of the mouth.
no
Name a muscle that closes the eye.
obicularis oculi
What muscle closes the lips?
orbicularis oris
Where does the orbicularis oculi insert?
skin of the eyelids
What kind of muscle is the orbicularis oculi or orbicularis oris muscle in terms of function?
sphincter
Name two muscles that close the jaw
Masseter and temporalis
Where is the origin of the levator scapulae muscle?
cervical vetebrae 1 through 4
What muscle originates on the temporal fossa?
temporalis fossa
What is the action of the sternocleidomastoid?
to abduct, rotate, and flex the head