5 Written Questions

1. facial.
2. Mastoid process of the temporal bone and the lateral portion of superior nuchal line of occiput.
3. mandibular nerve.
4. deep temporal branch of mandibular nerve.
5. occipitalis: anchor and retract the galea posteriorly. frontalis: raise the eyebrows and wrinkle forehead

5 Matching Questions

1. platysma (nerve)
2. temporalis (action)
3. corrugator (action)
4. buccinator (action)
5. medial pterygoid (nerve)

1. a tightens corners of lips and keeps food between molars during mastication.
2. b Trigeminal. (V)
3. c elevate the mandible, (temporomandibular joint)
   retract the mandible at the TMJ
   example: clench your jaw
4. d draws eyebrows medially and inferiorally. (frown muscle)
5. e facial.

5 Multiple Choice Questions

1. Trigeminal.
   1. buccinator (action)
   2. masseter (nerve)
   3. buccinator (nerve)
   4. corrugator (nerve)
2. unilaterally: laterally deviate the mandible to the opposite side.
   bilaterally: elevate the mandible and protract the mandible.
   1. medial pterygoid (nerve)
   2. masseter (action)
   3. medial pterygoid (action)
   4. lateral pterygoid (action)
3. Trigeminal. (V)
   1. lateral pterygoid (nerve)
   2. lateral pterygoid (action)
   3. medial pterygoid (action)
   4. temporalis (nerve)
4. assists in depression of the mandible at the TMJ.
   tighten the fascia of the neck.
   1. platysma (nerve)
   2. temporalis (action)
   3. masseter (action)
   4. platysma (action)
5. unilaterally: laterally deviates themandible to the opposite side.
   bilaterally: protract the mandible.
   1. lateral pterygoid (nerve)
   2. lateral pterygoid (action)
   3. medial pterygoid (action)
   4. medial pterygoid (nerve)

5 True/False Questions

1. sternocleidomastoid (action) → unilaterally: laterally flex the head and neck to same side. Rotate the head and neck to opposite side.
   bilaterally: flex the head. Assist in inhalation (elevation of rib cage).

   True        False

2. sternocleidomastoid (origin) → unilaterally: laterally flex the head and neck to same side. Rotate the head and neck to opposite side.
   bilaterally: flex the head. Assist in inhalation (elevation of rib cage).

   True        False

3. masseter (action) → elevates mandible at TMJ.

   True        False

4. orbicularis oculi (nerve) → closes the eyelid.

   True        False

5. scalenes (anterior, middle, posterior) (action) → unilaterally: laterally deviates themandible to the opposite side.
   bilaterally: protract the mandible.

   True        False