Embryology of the face

Question 1

Development of the face involves __________ and _______ of various tissues to form final product

Answer 1

The formation and cordination

Question 2

Functions of the face

Answer 2

Hearing
Mission
Breathing
Testing
Feeding
Facial expression

Question 3

Facial development begins during _________

Answer 3

Early embryogenesis

Question 4

_________ is the membrane where the face forms

Answer 4

Oropharyngeal membrane

Question 5

Oropharyngeal membrane is seen in the embryo on the ________ week between ________ and _______

Answer 5

Week 3

The heart and the brain

Question 6

_________ are two ectodermal thickenings that appear at the end of the 4th week on the frontonasal processes

Answer 6

The nasal placodes

Question 7

The frontonasal process arises from _________ and covers ______

Answer 7

The neural crest and covers the brain

Question 8

The frontonasal process gives rise to ________ and _______

Answer 8

Lateral nasal processes and medial nasal processes

Question 9

_______ develop medial to the nasal placode

Answer 9

The medial nasal processes

Question 10

_________ develop lateral to the nasal placode

Answer 10

Lateral nasal processes

Question 11

By 10th week, the inter-maxillary process forms ________

Answer 11

The nasal bridge and philtrum of the lip

Question 12

The medial nasal process gives rise to _________

Answer 12

Inter-maxillary process

Question 13

The tissues of the 1st mandibular pharyngeal arch originated from the __________

Answer 13

Mesorderm and neural crest

Question 14

The 1st arch will give rise to ________ and _________

Answer 14

Two mandibular processes
Two maxillary processes

Question 15

The fusion of the maxillary process, lateral nasal placodes and medial nasal processes results in formation of _______

Answer 15

The philtrum of the lip

Question 16

The improper fusion of the maxillary processes, lateral nasal processes, and medial nasal processes leads to ______ in newborn

Answer 16

Orofacial cleft

Question 17

At _____ week the embryo has facial feature with human appearance

Answer 17

At 7th week

Question 18

The palate is the tissue between _______ and ______

Answer 18

Nasal and oral cavity

Question 19

The palate separated in ________ and _______

Answer 19

Primary and secondary palate

Question 20

_______ forms the rest of the hard palate and the soft palate

Answer 20

Secondary palate

Question 21

____________ give rise to anterior triangular one - third from the incisive foramen and include the four upper incissors

Answer 21

Primary palate

Question 22

_________ connects the oral cavity to the nasal cavity

Answer 22

Primitive choana (nasopharynx)

Question 23

________ and _______ causes cleft palate

Answer 23

Growth retardation and mechanical obstruction

Question 24

_________ is the most common congenital disability

Answer 24

Cleft lip/palate

Question 25

_________ refers to the choana

Answer 25

Oro nasal membrane

Question 26

Coloboma, Retarded growth, atresia choanae, genital hypoplasia and heart disease are anomalies associated with _________

Answer 26

Choana Atresia

Question 27

Facial anomalies includes;

Answer 27

Cleft lip Cleft palate Choanal atresia

Question 28

The tongue develops from _____ week of intrauterine life

Answer 28

The 4th week

Question 29

_______ ________ _________ and _______ pharyngeal arch contributes to the development of the tongue

Answer 29

The 1st, 2nd, 3rd and 4th Pharyngeal arch

Question 30

The growth of the tongue begins with a swelling from the first pharyngeal arch known as

Answer 30

Tuberculum impar

Question 31

________ and ______ are muscles of the tongue

Answer 31

The extrinsic and intrinsic muscle

Question 32

The Extrinsic muscles include

Answer 32

Palatoglossus Styloglossus Hyoglossus Genioglossus

Question 33

________ muscles allow the tongue to move in all direction and originates from the structures adjacent

Answer 33

The extrinsic muscle

Question 34

Changing the shape of the tongue is done by _______

Answer 34

The intrinsic muscle

Question 35

The intrinsic muscle include

Answer 35

Superior longitudinal muscle Inferior longitudinal muscle Vertical muscle Transverse muscle

Question 36

The dorsal surface of the tongue is covered by _______

Answer 36

Stratified squamous epithelium

Question 37

Functions of the tongue, includes

Answer 37

Tasting function Speech function Food manipulation

Question 38

________ is referred to as the keel structure

Answer 38

The nasal fin

Question 39

The philtrum of the upper lip, the nasal dorsum, the septa and primary palate originates from ______

Answer 39

Maxillary process

Question 40

Failure of midline fusion during embryogenesis results in ______

Answer 40

The spectrum of cleft lip/palate

Question 41

Structure of the nasal cavity is derived from the _______

Answer 41

First branchial arch