lecture 25

Question 1

dorsum

Answer 1

bridge of the nose runs between root and apex

Question 2

flared margins of nostrils

Answer 2

alae

Question 3

oral region is surrounded by

Answer 3

red zone of lips ( vermillion)

Question 4

levator labii superioris alaeque nasi

Answer 4

elevates upper lip and dilates the nostrils. inserts on skin of upper lip

Question 5

levator labii superioris

Answer 5

insert on the lateral half of upper lip. elevates upper lip

Question 6

zygomaticus minor

Answer 6

in front of major. inserts on lateral part of upper lip. elevates upper lip

Question 7

zygomaticus major

Answer 7

passes laterally and inserts on the corner of the mouth. pulls mouth upward and outward for smiling and laughing

Question 8

levator anguli oris

Answer 8

elevates corner of the mouth

Question 9

risorius

Answer 9

widens the mouth

Question 10

depressor anguli oris

Answer 10

depresses the corner of the mouth, associated with expression of grief

Question 11

depressor labii inferioris

Answer 11

depressed lower lip and draw it laterally

Question 12

mentalis

Answer 12

raises and protrudes the upper lip

Question 13

facial nerve (cranial nerve 7)

Answer 13

emerges from the stylomastoid foramen, pierces the parotid gland and supplies the facial muscles knows parotid plexus

Question 14

parotid plexus

Answer 14

temporal, zygomatic, buccal, mandibular, and cervical branches