Question 1

An overgrowth of gingival tissue due to a certain type of drug is known as ___________.

Accepted Answer

A)  gingival hypoplasia 
B)  gingival hyperplasia 
C)  either a or b 
D)  neither a nor b 
A)  gingival hypoplasia 
B)  gingival hyperplasia 
C)  either a or b 
D)  neither a nor b

Question 2

At the floor of the gingival sulcus is the ____________.

Accepted Answer

A)  alveolar crest 
B)  interdental papilla 
C)  attached gingiva 
D)  epithelial attachment 
A)  alveolar crest 
B)  interdental papilla 
C)  attached gingiva 
D)  epithelial attachment

Question 3

What is the best guide for an erupting permanent tooth?

Accepted Answer

A)  No guide is needed 
B)  Primary tooth 
C)  Space maintainer 
D)  None of the above 
A)  No guide is needed 
B)  Primary tooth 
C)  Space maintainer 
D)  None of the above

Question 4

The tissue that covers the root is __________.

Accepted Answer

A)  dentin 
B)  enamel 
C)  cementum 
D)  pulp 
A)  dentin 
B)  enamel 
C)  cementum 
D)  pulp

Question 5

During which phase of pregnancy do the cells proliferate?

Accepted Answer

A)  Zygote 
B)  Embryo 
C)  Fetus 
D)  None of the above 
A)  Zygote 
B)  Embryo 
C)  Fetus 
D)  None of the above

Question 6

What is responsible for the laying down of each enamel matrix?

Accepted Answer

A)  Enamel matrix 
B)  Tomes' process 
C)  Either a or b 
D)  Neither a nor b 
A)  Enamel matrix 
B)  Tomes' process 
C)  Either a or b 
D)  Neither a nor b

Question 7

During week ____ of fetal development, the palate and tongue form.

Accepted Answer

A)  5 
B)  6 
C)  7 
D)  9 
A)  5 
B)  6 
C)  7 
D)  9

Question 8

The development of different tissues is known as ______________.

Accepted Answer

A)  histodifferentiation 
B)  cytodifferentiation 
C)  morphodifferentiation 
D)  calcification 
A)  histodifferentiation 
B)  cytodifferentiation 
C)  morphodifferentiation 
D)  calcification

Question 9

What is the name of the growth from the oral epithelium that gives rise to the tooth buds?

Accepted Answer

A)  Dental sac 
B)  Dental lamina 
C)  Mesenchyme 
D)  None of the above 
A)  Dental sac 
B)  Dental lamina 
C)  Mesenchyme 
D)  None of the above

Question 10

When the cells of a developing tooth multiply, it is termed ____________.

Accepted Answer

A)  proliferation 
B)  histodifferentiation 
C)  morphodifferentiation 
D)  initiation 
A)  proliferation 
B)  histodifferentiation 
C)  morphodifferentiation 
D)  initiation

Question 11

The bulk of the tooth structure is composed of ____________.

Accepted Answer

A)  dentin 
B)  enamel 
C)  cementum 
D)  pulp 
A)  dentin 
B)  enamel 
C)  cementum 
D)  pulp

Question 12

What secures the tooth into the socket by a number of organized fiber groups?

Accepted Answer

A)  Alveolar crest 
B)  Lamina dura 
C)  Periodontal ligaments 
D)  Interdental septum 
A)  Alveolar crest 
B)  Lamina dura 
C)  Periodontal ligaments 
D)  Interdental septum

Question 13

Which type of dentin is formed before the completion of the apical foramen and forms the bulk of the tooth?

Accepted Answer

A)  Secondary 
B)  Intertubular 
C)  Primary 
D)  Peritubular 
A)  Secondary 
B)  Intertubular 
C)  Primary 
D)  Peritubular

Question 14

The process of depositing calcium salts and other minerals necessary for a properly formed tooth is termed ____________.

Accepted Answer

A)  eruption 
B)  calcification 
C)  attrition 
D)  resorption 
A)  eruption 
B)  calcification 
C)  attrition 
D)  resorption

Question 15

Cementum-forming cells are called ___________.

Accepted Answer

A)  ameloblasts 
B)  odontoblasts 
C)  cementoblasts 
D)  none of the above 
A)  ameloblasts 
B)  odontoblasts 
C)  cementoblasts 
D)  none of the above

Question 16

Usually, the cementum is thickest at which portion of the root?

Accepted Answer

A)  Cervical third 
B)  Middle third 
C)  Apical third 
D)  It has the same thickness throughout the tooth. 
A)  Cervical third 
B)  Middle third 
C)  Apical third 
D)  It has the same thickness throughout the tooth.

Question 17

Place in correct order the stages of development in the origin of a tooth.
1) Bud stage
2) Cap stage
3) Bell stage
4) Maturation stage

Accepted Answer

A)  1, 2, 3, 4 
B)  2, 3, 1, 4 
C)  1, 3, 2, 4 
D)  3, 2, 1, 4 
A)  1, 2, 3, 4 
B)  2, 3, 1, 4 
C)  1, 3, 2, 4 
D)  3, 2, 1, 4

Question 18

Enamel-forming cells are called __________.

Accepted Answer

A)  ameloblasts 
B)  odontoblasts 
C)  cementoblasts 
D)  none of the above 
A)  ameloblasts 
B)  odontoblasts 
C)  cementoblasts 
D)  none of the above

Question 19

Only enamel has developmental marks.

Accepted Answer

A) True 
 B)False

Question 20

Which type of dentin is formed as a reaction to irritation, such as caries or attrition?

Accepted Answer

A)  Secondary 
B)  Tertiary 
C)  Mantle 
D)  Peritubular 
A)  Secondary 
B)  Tertiary 
C)  Mantle 
D)  Peritubular

Exam 8: Embryology and Histology

An overgrowth of gingival tissue due to a certain type of drug is known as ___________.

At the floor of the gingival sulcus is the ____________.

What is the best guide for an erupting permanent tooth?

The tissue that covers the root is __________.

During which phase of pregnancy do the cells proliferate?

What is responsible for the laying down of each enamel matrix?

During week ____ of fetal development, the palate and tongue form.

The development of different tissues is known as ______________.

What is the name of the growth from the oral epithelium that gives rise to the tooth buds?

When the cells of a developing tooth multiply, it is termed ____________.

The bulk of the tooth structure is composed of ____________.

What secures the tooth into the socket by a number of organized fiber groups?

Which type of dentin is formed before the completion of the apical foramen and forms the bulk of the tooth?

The process of depositing calcium salts and other minerals necessary for a properly formed tooth is termed ____________.

Cementum-forming cells are called ___________.

Usually, the cementum is thickest at which portion of the root?

Place in correct order the stages of development in the origin of a tooth. 1) Bud stage 2) Cap stage 3) Bell stage 4) Maturation stage

Enamel-forming cells are called __________.

Only enamel has developmental marks.

Which type of dentin is formed as a reaction to irritation, such as caries or attrition?

Introduction to the Dental Profession

Psychology Communication and Multicultural Interaction

Ethics Jurisprudence and the Health Information Portability and Accountability Act

Oral Health and Preventative Techniques

Nutrition

General Anatomy and Physiology

Head and Neck Anatomy

Tooth Morphology

Microbiology

Infection Control

Management of Hazardous Materials

Preparation for Patient Care

Dental Charting

Pharmacology

Emergency Management

Introduction to the Dental Office and Basic Chairside Assisting

Basic Chairside Instruments and Tray Systems

Instrument Transfer and Maintaining the Operating Field

Anesthesia and Sedation

Introduction to Dental Radiography and Equipment

Production and Evaluation of Dental Radiographs

Extraoral and Digital Radiography

Endodontics

Oral and Maxillofacial Surgery

Dental Implants

Oral Pathology

Orthodontics

Pediatric Dentistry

Dental Sealants

Periodontics

Coronal Polish

Fixed Prosthodontics and Gingival Retraction

Computerized Impression and Restorative Systems

Cosmetic Dentistry and Whitening

Removable Prosthodontics

Dental Cements Bases Liners and Bonding Agents

Restorative Materials Matrix and Wedge

Laboratory Materials and Techniques

Dental Office Management

Employment Strategies

Filters