PERIO - EXAM QUESTIONS AND ANSWERS
Which of the following is NOT one of the tissues of the periodontium?
A. Periodontal ligament
B. Body of the Mandible
C. Gingiva
D. Cementum - Answers - Body of the Mandible
T/F
Cementum is NOT necessary to the health of the periodontium because the underlying
dentin will protect the root if the cementum is removed by toothbrush abrasion or from
dental procedures. - Answers - FALSE
Which tissue of the periodontium may be pigmented in dark-skinned individuals?
A. Free gingiva
B. Attached gingiva
C. Periodontal ligament
D. Alveolar mucosa - Answers - B. Attached Gingiva
T/F
Healthy gingival tissue ALWAYS has a dimpled appearance known as stippling. -
Answers - FALSE
T/F
One function of the attached gingiva is to prevent the free gingiva from being pulled
away from the tooth when tension is applied to the alveolar mucosa. - Answers - TRUE
Which of the following is the thin layer of bone that lines the tooth socket?
A. Alveolus
B. Alveolar bone proper
C. Cortical bone
D. Cancellous bone - Answers - Alveolar bone Proper
Which of the following tissues serves as a covering tissue for the outer services of the
body and a lining tissue for body cavities such as the mouth, stomach, and intestines?
A. Basal lamina
B. Connective tissue
C. Epithelial tissue
, D. Keratinized tissue - Answers - Epithelial tissue
Which of the following tissues fills the spaces between the tissues and organs of the
body?
A. Basal lamina
B. Connective tissue
C. Epithelial tissue
D. Keratinized tissue - Answers - Connective Tissue
Which of these epithelial layers is comprised of cells with nuclei that act as a cushion
against mechanical stress and wear?
A. Nonkeratinized layer
B. Keratinized layer
C. Extracellular ground layer
D. Collagen layer - Answers - Nonkeratinized layer
Epithelial cell junctions are cellular structures that can attach:
A. An epithelial cell to a neighboring epithelial cell
B. An epithelial cell to a basal lamina
C. An epithelial cell to elastin fibers
D. Both A and B - Answers - Attach An epithelial cell to a neighboring epithelial cell
The function of cell junctions is to:
A. Make it easy for cells to detach from each other to facilitate migration of cells
B. Allow cells to bind together to function as a strong structural unit
C. Fill the spaces between neighboring epithelial cells
D. Both A and B - Answers - B. Allow cells to bind together to function as a strong
structural unit
Which of the following forms the base of a gingival sulcus?
A. Interdental gingiva
B. Attached gingival
C. Junctional epithelium
D. Periodontal Ligament - Answers - Junctional Epithelium
On the tooth side, the periodontal ligament fibers are embedded in which of the
following structures?
A. Alveolar bone
B. Attached gingiva
C. Interdental gingiva
Which of the following is NOT one of the tissues of the periodontium?
A. Periodontal ligament
B. Body of the Mandible
C. Gingiva
D. Cementum - Answers - Body of the Mandible
T/F
Cementum is NOT necessary to the health of the periodontium because the underlying
dentin will protect the root if the cementum is removed by toothbrush abrasion or from
dental procedures. - Answers - FALSE
Which tissue of the periodontium may be pigmented in dark-skinned individuals?
A. Free gingiva
B. Attached gingiva
C. Periodontal ligament
D. Alveolar mucosa - Answers - B. Attached Gingiva
T/F
Healthy gingival tissue ALWAYS has a dimpled appearance known as stippling. -
Answers - FALSE
T/F
One function of the attached gingiva is to prevent the free gingiva from being pulled
away from the tooth when tension is applied to the alveolar mucosa. - Answers - TRUE
Which of the following is the thin layer of bone that lines the tooth socket?
A. Alveolus
B. Alveolar bone proper
C. Cortical bone
D. Cancellous bone - Answers - Alveolar bone Proper
Which of the following tissues serves as a covering tissue for the outer services of the
body and a lining tissue for body cavities such as the mouth, stomach, and intestines?
A. Basal lamina
B. Connective tissue
C. Epithelial tissue
, D. Keratinized tissue - Answers - Epithelial tissue
Which of the following tissues fills the spaces between the tissues and organs of the
body?
A. Basal lamina
B. Connective tissue
C. Epithelial tissue
D. Keratinized tissue - Answers - Connective Tissue
Which of these epithelial layers is comprised of cells with nuclei that act as a cushion
against mechanical stress and wear?
A. Nonkeratinized layer
B. Keratinized layer
C. Extracellular ground layer
D. Collagen layer - Answers - Nonkeratinized layer
Epithelial cell junctions are cellular structures that can attach:
A. An epithelial cell to a neighboring epithelial cell
B. An epithelial cell to a basal lamina
C. An epithelial cell to elastin fibers
D. Both A and B - Answers - Attach An epithelial cell to a neighboring epithelial cell
The function of cell junctions is to:
A. Make it easy for cells to detach from each other to facilitate migration of cells
B. Allow cells to bind together to function as a strong structural unit
C. Fill the spaces between neighboring epithelial cells
D. Both A and B - Answers - B. Allow cells to bind together to function as a strong
structural unit
Which of the following forms the base of a gingival sulcus?
A. Interdental gingiva
B. Attached gingival
C. Junctional epithelium
D. Periodontal Ligament - Answers - Junctional Epithelium
On the tooth side, the periodontal ligament fibers are embedded in which of the
following structures?
A. Alveolar bone
B. Attached gingiva
C. Interdental gingiva
