Question 1

Migration refers to

Accepted Answer

A)  early tooth bud mesial drift 
B)  deepening of the nasal pits 
C)  increase in connective tissue of the upper lip 
D)  fusion of the medial nasal process 
A)  early tooth bud mesial drift 
B)  deepening of the nasal pits 
C)  increase in connective tissue of the upper lip 
D)  fusion of the medial nasal process

Question 2

Six pharyngeal arches can be seen in a 3-week-old embryo.

Accepted Answer

A) True 
 B)False

Question 3

A cyst can form during the fusion of the palate.If the cyst develops along the fusion line of the two palatal shelves,it is known as a globulomaxillary cyst.

Accepted Answer

A)  Both statements are true. 
B)  The first statement is true;the second statement is false. 
C)  The first statement is false;the second statement is true. 
D)  Both statements are false. 
A)  Both statements are true. 
B)  The first statement is true;the second statement is false. 
C)  The first statement is false;the second statement is true. 
D)  Both statements are false.

Question 4

The trigeminal nerve innervates the first pharyngeal arch.

Accepted Answer

A) True 
 B)False

Question 5

The mandibular arch is divided into the maxillary and mandibular processes.

Accepted Answer

A) True 
 B)False

Question 6

During formation of the upper lip,the lateral and medial nasal processes fuse.

Accepted Answer

A) True 
 B)False

Question 7

The stomodeum forms the oral cavity and the oral pharynx.

Accepted Answer

A) True 
 B)False

Question 8

By the end of the 11th week the upper lip has formed because the two medial nasal processes have fused together.

Accepted Answer

A)  Both the statement and the reason are correct and related. 
B)  Both the statement and the reason are correct but are NOT related. 
C)  The statement is correct,but the reason and the timeline are NOT correct. 
D)  The statement is NOT correct,but the reason is correct. 
E)  NEITHER the statement NOR the reason is correct. 
A)  Both the statement and the reason are correct and related. 
B)  Both the statement and the reason are correct but are NOT related. 
C)  The statement is correct,but the reason and the timeline are NOT correct. 
D)  The statement is NOT correct,but the reason is correct. 
E)  NEITHER the statement NOR the reason is correct.

Question 9

Which pharyngeal arch will degenerate after formation?

Accepted Answer

A)  Third 
B)  Fourth 
C)  Fifth 
D)  Sixth 
E)  None 
A)  Third 
B)  Fourth 
C)  Fifth 
D)  Sixth 
E)  None

Question 10

Landmarks that separate the pharyngeal arches are known as all except

Accepted Answer

A)  pharyngeal clefts 
B)  pharyngeal grooves 
C)  pharyngeal pouches 
D)  pharyngeal openings 
A)  pharyngeal clefts 
B)  pharyngeal grooves 
C)  pharyngeal pouches 
D)  pharyngeal openings

Question 11

Which of the following are involved in formation of the tongue (Select all that apply. )?

Accepted Answer

A)  Lateral lingual swellings 
B)  Tuberculum impar 
C)  Fifth pharyngeal arch 
D)  Copula 
E)  Frontal prominence 
A)  Lateral lingual swellings 
B)  Tuberculum impar 
C)  Fifth pharyngeal arch 
D)  Copula 
E)  Frontal prominence

Exam 18: Development of Orofacial Complex

Migration refers to

Six pharyngeal arches can be seen in a 3-week-old embryo.

A cyst can form during the fusion of the palate.If the cyst develops along the fusion line of the two palatal shelves,it is known as a globulomaxillary cyst.

The trigeminal nerve innervates the first pharyngeal arch.

The mandibular arch is divided into the maxillary and mandibular processes.

During formation of the upper lip,the lateral and medial nasal processes fuse.

The stomodeum forms the oral cavity and the oral pharynx.

By the end of the 11th week the upper lip has formed because the two medial nasal processes have fused together.

Which pharyngeal arch will degenerate after formation?

Landmarks that separate the pharyngeal arches are known as all except

Which of the following are involved in formation of the tongue (Select all that apply. )?

Oral Cavity

The Tooth: Functions and Terms

Fundamental and Preventive Curvatures

Dentition

Development, form, and Eruption

Occlusion

Dental Anomalies

Supporting Structures

Clinical Considerations

Tooth Identification

Root Morphology

Incisors

Canines

Premolars

Molars

Deciduous Dentition

Basic Tissues

Dental Lamina and Enamel Organ

Enamel, Dentin, and Pulp

Root Formation and Attachment Apparatus

Eruption and Shedding of Teeth

Oral Mucous Membrane

The Tongue

Histology of the Salivary Glands

Osteology of the Skull

Nose, Nasal Cavity, and Paranasal Sinuses

Muscles of Mastication, Hyoid Muscles, and Sternocleidomastoid and Trapezius Muscles

Tempo-romandibular Joint

Muscles of Facial Expression

Soft Palate and Pharynx

Arterial Supply and Venous Drainage

Salivary Glands

Nervous System

Lymphatics and Spread of Dental Infection

Anatomical Considerations of Local Anesthesia

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