BIO 212 SDSU EXAM 2 OIA Questions and Answers 100% Correct

BIO 212 SDSU EXAM 2 OIA Questions and
Answers 100% Correct

Occipitalis O: superior nuchal line of occipital bone


I: galea aponeurotica

A: tenses scalp, moves outer ear




Orbicularis oculi O: orbit


I: eyelids

A: closes eyelids




Orbicularis oris O: maxilla and mandible


I: skin surrounding mouth

A: closes and purses lips




Zygomaticus major O: zygomatic bone


I: angle of mouth

A: raises angle of mouth

, BIO 212 SDSU EXAM 2 OIA Questions and
Answers 100% Correct
Temporalis O: temporal fossa


I: coronoid process of mandible

A: Closes jaw (elevates mandible)




Masseter O: zygomatic Arch


I: angle and ramus of mandible

A: closes jaw (elevates mandible)




Platysma O: fascia of chest (pectoral and deltoid muscles)


I: mandible and skin of cheek

A: tenses skin of neck and depresses mandible




Risorius O: fascia associated with masseter


I: angle of mouth

A: draws angle of mouth to side




Superior Rectus elevates eye