O/I/A/NS Final 1

Question 1

levator labii superioris (O/I)

Answer 1

O: zygomatic, lacrimal, and superioris maxillary bones
I: upper lip

Question 2

buccinator (O/I)

Answer 2

O: maxilla and mandible
I: commissure of mouth

Question 3

masseter (O/I)

Answer 3

O: facial crest and zygomatic arch
I: ramus of mandible

Question 4

occipitomandibularis (O/I)

Answer 4

O: jugular process of occipital bone
I: caudal border of mandible

Question 5

cricoarytenoideus dorsalis (O/I)

Answer 5

O: lamina of cricoid cartilage
I: arytenoid cartilage (muscular process)

Question 6

cricoarytenoideus lateralis (O/I)

Answer 6

O: arch of cricoid cartilage
I: arytenoid cartilage (muscular process)

Question 7

levator labii superioris (A/NS)

Answer 7

A: raise the upper lip
NS: facial n.

Question 8

buccinator (A/NS)

Answer 8

A: retract the commissure of the mouth and flatten the cheeks
NS: facial n.

Question 9

masseter (A/NS)

Answer 9

A: close the mouth
NS: trigeminal (mandibular br.)

Question 10

occipitomandibularis (A/NS)

Answer 10

A: opens the mouth
NS: facial n.

Question 11

cricoarytenoideus dorsalis (A/NS)

Answer 11

A: open the glottis
NS: recurrent laryngeal n.

Question 12

cricoarytenoideus lateralis (A/NS)

Answer 12

A: close the glottis
NS: recurrent laryngeal n.