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BIO 348 Muscle Matching Quiz 1; Western Washington University Questions with Correct Answers
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BIO 348 Muscle Matching Quiz 1; Western Washington University Questions with Correct Answers
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BIO 348 Muscle Matching Quiz 1; WesternWashington University Questions with Correct
Answers
Orbicularis oculi Correct Answer-O: frontal and maxillary bones and
ligaments around orbit.
I: tissue of eyelid.
A: closes eye; produces blinking, squinting, and draws eyebrows
inferiorly.
Orbicularis oris Correct Answer-O: arises indirectly from maxilla and
mandible; fibers blended with fibers of other fascial muscles associated
with the lips.
I: encircles mouth; inserts into muscle and skin at angles of mouth.
A: closes lips; purses and protrudes lips; kissing and whistling muscle.
Platysma Correct Answer-O: fascia of chest.
I: lower margin of mandible, and skin and muscle at corner of mouth.
A: tenses skin of neck; helps depress mandible; pulls lower lip back and
down.
Occipitalis Correct Answer-O: occipital and temporal bones.
I: epicranial aponeurosis.
A: fixes aponeurosis and pulls scalp posteriorly.
Frontalis Correct Answer-O: epicranial aponeurosis.
, I: skin of eyebrows and root of nose.
A: with aponeurosis fixed; elevates the eyebrows; wrinkles forehead
skin horizontally.
Masseter Correct Answer-O: zygomatic arch and zygomatic bone.
I: angle and ramus of mandible.
A: closes jaw; elevates mandible.
Temporalis Correct Answer-O: temporal fossa.
I: coronoid process of mandible via a tendon that passes deep to
zygomatic arch.
A: closes jaw; elevates and retracts mandible; maintains position of the
mandible at rest; deep anterior part may help protract mandible.
Medial pterygoid Correct Answer-O: medial surface of lateral pterygoid
plate of sphenoid bona, maxilla, and palatine bone.
I: medial surface of mandible near its angle.
A: acts with lateral pterygoid muscle to protract mandible and to
produce side-to-side (grinding) movements.
Lateral ptyergoid Correct Answer-O: greater wing and lateral ptyergoid
plate of sphenoid bone.
I: condylar process of mandible and capsule of temporomandibular joint.
A: protracts mandible and produce side-to-side grinding movements of
the lower teeth.
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