The Face

Question 1

Developmental precursor to the mouth?

Answer 1

Question 2

Answer 2

Question 3

Steps to developing a face?

Answer 3

1. Branchial/pharyngeal arch formation
2. Placode development
3. Fusion

Question 4

Genes that determine branchial arch identity?

Answer 4

Hox

Question 5

Which branchial arch forms which part of the ear?

Answer 5

Arch 1 forms malleus and incus, arch 2 forms stapes (separated by tympanic membrane)

Question 6

Ear infection?

Answer 6

Bacteria from throat reaches middle ear via auditory(eustachian) tube

Question 7

3 types of placodes?

Answer 7

Question 8

Facial development: fusion

Answer 8

Mandibular and maxillary processes fuse at the midline.

Also, shelves of the palate rotate and fuse.

Question 9

Palate function?

Answer 9

Separates the nasal passage from the mouth during swallowing

Question 10

Process of swallowing food

Answer 10

Question 11

Palatal muscles (2)

Answer 11

Question 12

Facial developmental structures: adult equivalents

Answer 12

Question 13

Answer 13

Question 14

Answer 14

Question 15

Anterior eye cavity wall (eyelid + 1 other)

Answer 15

Question 16

Muscle that lifts top eyelid?

Answer 16

Question 17

Conjunctiva?

Answer 17

Question 18

How do tears work?

Answer 18

Question 19

Answer 19

Question 20

Answer 20

Question 21

Nasal septum (3 bones)

Answer 21

Question 22

Answer 22

Question 23

Answer 23

Question 24

Answer 24

Question 25

Answer 25

(Brow elevation)

Question 26

Answer 26

(Furrows brow)

Question 27

Answer 27

Winks!

Only muscle that closes eyelid

Question 28

Answer 28

Question 29

Answer 29

Question 30

Answer 30

Question 31

Answer 31

Question 32

What causes dimples?

Answer 32

A short zygomaticus major

Question 33

7 muscles of facial expression? Innervation?

Answer 33

Question 34

Answer 34