rom the QUESTIONS 4-8: Identify the muscle of fac ollowing list. Answers may be
ID: 3521631 • Letter: R
Question
rom the QUESTIONS 4-8: Identify the muscle of fac ollowing list. Answers may be used once or not at al. llowinglist. Anmersmis the measde ofacial aepresion that eforms the action that is described. Choose your answ a. frontalis b. orbicularis oculi c. buccinator d. platysma e. zygomaticus major f. depressor anguli oris g. orbicularis oris h. mentalis is the primary muscle that elevates the corners of your mouth. 4. When you smile, the 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 7. As you grit your teeth, palpate the skin along the anterior surface of your neck. Notice that the skin is very tense. This responsei is the primary muscle that depresses the corners of your mouth. caused by the contraction of the 8. Compress your cheeks by whistling or blowing. This action is produced by the large muscle of facial expression that can be palpated in your cheek wall. which is the relativeExplanation / Answer
4. Zygomaticus major [ this muscle supplies the angle the mouth, elevation of the angle of mouth is done by this muscle, so during smiling, the angle of mouth is elevated by this muscle. ]
5. Orbicularis oculi [ this is the muscle surround the eye and moves the eyelid ].
6. Depressor anguli oris [ As the name suggest, this is the muscle which frowns the lower lips]
7. Platysma [ this muscle become tensed during grit of teeth ]
8. Buccinator [ this the muscle known as whistling muscle of blowing muslce]
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