4-8 and 9-17 QUESTIONS 4-8: identify the muscle of facial espression that perfor

Question

4-8 and 9-17 QUESTIONS 4-8: identify the muscle of facial espression that performs the action that is described. Chne your awer the following list. Answers may be used once or not at all. a. frontalis b. orbicularis oculi e. zygomaticus major . depressor anguli oris g. orbicularis oris h. mentalis d. platysma 4. When you smile, the is the primary muscle that elevates the corners of your mouth 5. Close one eye by blinking or squinting, This movement is initiated by the a circular muscle that surrounds the eye. 6. When you frown, the is the primary muscle that depresses the corners of your mouth. 7. As you grit your teeth, palpute the skin along the anterior surface of your neck Natice that theskin is very tese 1 caused by the contraction of the 8. Compress your cheeks by whistling or blowing. of your neck Notice that the skin is very tense. This response is shich is the reluativey This action is produced by the large muscle of facial expression that can be palpated in your check wal. QUESTIONS 9-17: Identify the muscles that are labeled in the following diagram. nswers from the following list. Answers may be used once or not at all a. Levator labii superioris b. Frontalis c. Orbicularis oris d. Omohyoid . Masseter g. Buccinator h. Orbicularis oculi L Zygomaticus major j. Temporalis k. Nasalis 1. Zygomaticus minor 9. 10. 13 12. 13. 14. 15. 16. 14 15 10 16 17 12

Explanation / Answer

4. e. Zygomaticus major.

5. b. Orbicluari oculi

6. f. Depressor anguli oris

7. d. Platysma

8. c. Buccinator

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