Perio Exam 1 Questions and Answers Graded A+
Which of the following is NOT one of the tissues D. Periodontal Ligament - ANSWER -C.
of the periodontium? Junctional epithelium
A. Periodontal ligament
B. Body of the Mandible
C. Gingiva On the tooth side, the periodontal ligament fibers
D. Cementum - ANSWER -B. body of the are embedded in which of the following
Mandible structures?
A. Alveolar bone
B. Attached gingiva
2. Cementum is NOT necessary to the health of C. Interdental gingiva
the periodontium because the underlying dentin D. Cementum - ANSWER -D. Cementum
will protect the root if the cementum is removed
by toothbrush abrasion or from dental
procedures. Cementum does not have its own blood supply; it
A. True receives its nutrients from the periodontal
B. False - ANSWER -B. False ligament.
A. True
B. False - ANSWER -A. True
3. Which tissue of the periodontium may be
pigmented in dark skinned individuals?
A. Free gingiva Which of the following is the thin layer of bone
B. Attached gingiva that lines the tooth socket?
C. Periodontal ligament A. Alveolus
D. Alveolar mucosa - ANSWER -B. B. Alveolar bone proper
Attached gingiva C. Cortical bone
D. Cancellous bone - ANSWER -B. alveolar
bone proper
Healthy gingival tissue ALWAYS has a dimpled
appearance known as stippling.
A. True Which of the following tissues serves as a
B. False - ANSWER -B. False covering tissue for the outer services of the
body and a lining tissue for body cavities such as
the mouth, stomach, and intestines?
One function of the attached gingiva is to prevent A. Basal lamina
the free gingiva from being pulled away B. Connective tissue
from the tooth when tension is applied to the C. Epithelial tissue
alveolar mucosa. D. Keratinized tissue - ANSWER -C.
A. True Epithelial tissue
B. False - ANSWER -A. True
Which of the following tissues fills the spaces
Which of the following forms the base of a between the tissues and organs of the
gingival sulcus? body?
A. Interdental gingiva A. Basal lamina
B. Attached gingival B. Connective tissue
C. Junctional epithelium C. Epithelial tissue
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, Perio Exam 1 Questions and Answers Graded A+
D. Keratinized tissue - ANSWER -B. meets the connective tissue in a wavy,
connective tissue uneven junction.
A. True
B. False - ANSWER -A. True
Which of these epithelial layers is comprised of
cells with nuclei that act as a cushion
against mechanical stress and wear? The deep extensions of epithelium that reach
A. Nonkeratinized layer down into the connective tissue are termed:
B. Keratinized layer A. Hemidesmosomes
C. Extracellular ground layer B. Desmosomes
D. Collagen layer - ANSWER -A. C. Epithelial ridges
Nonkeratinized layer D. Connective tissue papillae - ANSWER -
C. Epithelial ridges
Epithelial cell junctions are cellular structures that
can attach: Connective tissue is comprised of a gel-like
A. An epithelial cell to a neighboring epithelial substance, fibers, and few cells.
cell A. True
B. An epithelial cell to a basal lamina B. False - ANSWER -A. True
C. An epithelial cell to elastin fibers
D. Both A and B. - ANSWER -D. Both A
and B The sulcular and junctional epithelium are
keratinized epithelial tissues.
A. True
The function of cell junctions is to: B. False - ANSWER -B. False
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 The epithelium that forms the base of the sulcus
strong structural unit and joins the gingiva to the tooth is
C. Fill the spaces between neighboring epithelial called the:
cells A. Oral epithelium
D. Both a and B. - ANSWER -B. allow cells B. Sulcular epithelium
to bind together to function as a strong structural C. Junctional epithelium
unit D. Squamous epithelium - ANSWER -C.
Junctional epithelium
A cell junction that connects an epithelial basal
cell to the basal lamina is termed: In the junctional epithelium, epithelial cell attach
A. Hemidesmosome to neighboring epithelial cells via:
B. Desmosome A. Desmosomes
C. Epithelial ridge B. Hemidesmosomes
D. Connective tissue papilla - ANSWER -A. C. External basal lamina
Hemidesmosome D. Internal basal lamina - ANSWER -A.
Desmosomes
In MOST places in the body, the epithelium
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Which of the following is NOT one of the tissues D. Periodontal Ligament - ANSWER -C.
of the periodontium? Junctional epithelium
A. Periodontal ligament
B. Body of the Mandible
C. Gingiva On the tooth side, the periodontal ligament fibers
D. Cementum - ANSWER -B. body of the are embedded in which of the following
Mandible structures?
A. Alveolar bone
B. Attached gingiva
2. Cementum is NOT necessary to the health of C. Interdental gingiva
the periodontium because the underlying dentin D. Cementum - ANSWER -D. Cementum
will protect the root if the cementum is removed
by toothbrush abrasion or from dental
procedures. Cementum does not have its own blood supply; it
A. True receives its nutrients from the periodontal
B. False - ANSWER -B. False ligament.
A. True
B. False - ANSWER -A. True
3. Which tissue of the periodontium may be
pigmented in dark skinned individuals?
A. Free gingiva Which of the following is the thin layer of bone
B. Attached gingiva that lines the tooth socket?
C. Periodontal ligament A. Alveolus
D. Alveolar mucosa - ANSWER -B. B. Alveolar bone proper
Attached gingiva C. Cortical bone
D. Cancellous bone - ANSWER -B. alveolar
bone proper
Healthy gingival tissue ALWAYS has a dimpled
appearance known as stippling.
A. True Which of the following tissues serves as a
B. False - ANSWER -B. False covering tissue for the outer services of the
body and a lining tissue for body cavities such as
the mouth, stomach, and intestines?
One function of the attached gingiva is to prevent A. Basal lamina
the free gingiva from being pulled away B. Connective tissue
from the tooth when tension is applied to the C. Epithelial tissue
alveolar mucosa. D. Keratinized tissue - ANSWER -C.
A. True Epithelial tissue
B. False - ANSWER -A. True
Which of the following tissues fills the spaces
Which of the following forms the base of a between the tissues and organs of the
gingival sulcus? body?
A. Interdental gingiva A. Basal lamina
B. Attached gingival B. Connective tissue
C. Junctional epithelium C. Epithelial tissue
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, Perio Exam 1 Questions and Answers Graded A+
D. Keratinized tissue - ANSWER -B. meets the connective tissue in a wavy,
connective tissue uneven junction.
A. True
B. False - ANSWER -A. True
Which of these epithelial layers is comprised of
cells with nuclei that act as a cushion
against mechanical stress and wear? The deep extensions of epithelium that reach
A. Nonkeratinized layer down into the connective tissue are termed:
B. Keratinized layer A. Hemidesmosomes
C. Extracellular ground layer B. Desmosomes
D. Collagen layer - ANSWER -A. C. Epithelial ridges
Nonkeratinized layer D. Connective tissue papillae - ANSWER -
C. Epithelial ridges
Epithelial cell junctions are cellular structures that
can attach: Connective tissue is comprised of a gel-like
A. An epithelial cell to a neighboring epithelial substance, fibers, and few cells.
cell A. True
B. An epithelial cell to a basal lamina B. False - ANSWER -A. True
C. An epithelial cell to elastin fibers
D. Both A and B. - ANSWER -D. Both A
and B The sulcular and junctional epithelium are
keratinized epithelial tissues.
A. True
The function of cell junctions is to: B. False - ANSWER -B. False
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 The epithelium that forms the base of the sulcus
strong structural unit and joins the gingiva to the tooth is
C. Fill the spaces between neighboring epithelial called the:
cells A. Oral epithelium
D. Both a and B. - ANSWER -B. allow cells B. Sulcular epithelium
to bind together to function as a strong structural C. Junctional epithelium
unit D. Squamous epithelium - ANSWER -C.
Junctional epithelium
A cell junction that connects an epithelial basal
cell to the basal lamina is termed: In the junctional epithelium, epithelial cell attach
A. Hemidesmosome to neighboring epithelial cells via:
B. Desmosome A. Desmosomes
C. Epithelial ridge B. Hemidesmosomes
D. Connective tissue papilla - ANSWER -A. C. External basal lamina
Hemidesmosome D. Internal basal lamina - ANSWER -A.
Desmosomes
In MOST places in the body, the epithelium
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