Perio 1 Exam 1 Review Questions
The normal periodontium provides the support necessary to maintain teeth in function. It
consists of all of the following EXCEPT:
Gingiva
Periodontal ligament
Dentin
Cementum
Alveolar bone - answerDentin
The gingival epithelium (a continuous lining of stratified squamous epithelium) includes
all of the following EXCEPT:
The alveolar mucosa
The oral or outer epithelium
Sulcular epithelium
Junctional epithelium - answerThe alveolar mucosa
Gingival epithelium is in most cases:
Orthokeratinized
Parakeratinized
Nonkeratinized
None of the above - answerParakeratinized
Several proteins are synthesized during the keratinization process. Those that are
precursors of the keratohyalin granules are:
Keratolinin
Involucrin
Filaggrin
Corneocyn - answerFilaggrin
Renewal of junctional epithelium has been studied in experimental animals and has
been found to occur:
Between 1 and 6 hours
Between 1 and 6 days
Between 1 and 6 weeks
Between 1 and 6 months - answerbetween 1 and 6 days
Langerhans cells are found in the human gingival epithelium and are considered to be:
Nerve cells
Part of the immune defense system
Related to melanocytes
Of unknown function - answerPart of the immune defense system
, Mast cells are present in the gingival connective tissue:
Rarely
Frequently
Only in diabetes and other metabolic diseases
Only if it is acutely inflamed
Only if it is chronically inflamed - answerFrequently
The principal cell type of the gingival epithelium is the:
Melanocyte
Merkel cell
Keratinocyte
Langerhans cell - answerKeratinocyte
Gingival epithelial cells are connected by structures on the cell periphery called:
Tonofilaments
Desmosomes
Keratin
Filaggrin - answerDesmosomes
The facial aspect of the attached gingiva extends apically to:
The alveolar mucosa
The free gingival margin
The sulcular epithelium
The junctional epithelium - answerThe alveolar mucosa
The internal basal lamina has the following components:
Lamina lucida
Lamina densa
Lamina media
A and B
A and C - answerLamina Lucida and
Lamina Densa
The junctional epithelium has the following characteristics:
Acts as a barrier
Allows access to gingival fluids
Has a loose attachment to the tooth
Has rapid turnover
A, B, and C
A, B, and D - answerActs as a barrier,
Allows access to gingival fluids and
Has rapid turnover
The junctional epithelium is attached to the tooth surface by the:
External basement membrane
Epithelial attachment
The normal periodontium provides the support necessary to maintain teeth in function. It
consists of all of the following EXCEPT:
Gingiva
Periodontal ligament
Dentin
Cementum
Alveolar bone - answerDentin
The gingival epithelium (a continuous lining of stratified squamous epithelium) includes
all of the following EXCEPT:
The alveolar mucosa
The oral or outer epithelium
Sulcular epithelium
Junctional epithelium - answerThe alveolar mucosa
Gingival epithelium is in most cases:
Orthokeratinized
Parakeratinized
Nonkeratinized
None of the above - answerParakeratinized
Several proteins are synthesized during the keratinization process. Those that are
precursors of the keratohyalin granules are:
Keratolinin
Involucrin
Filaggrin
Corneocyn - answerFilaggrin
Renewal of junctional epithelium has been studied in experimental animals and has
been found to occur:
Between 1 and 6 hours
Between 1 and 6 days
Between 1 and 6 weeks
Between 1 and 6 months - answerbetween 1 and 6 days
Langerhans cells are found in the human gingival epithelium and are considered to be:
Nerve cells
Part of the immune defense system
Related to melanocytes
Of unknown function - answerPart of the immune defense system
, Mast cells are present in the gingival connective tissue:
Rarely
Frequently
Only in diabetes and other metabolic diseases
Only if it is acutely inflamed
Only if it is chronically inflamed - answerFrequently
The principal cell type of the gingival epithelium is the:
Melanocyte
Merkel cell
Keratinocyte
Langerhans cell - answerKeratinocyte
Gingival epithelial cells are connected by structures on the cell periphery called:
Tonofilaments
Desmosomes
Keratin
Filaggrin - answerDesmosomes
The facial aspect of the attached gingiva extends apically to:
The alveolar mucosa
The free gingival margin
The sulcular epithelium
The junctional epithelium - answerThe alveolar mucosa
The internal basal lamina has the following components:
Lamina lucida
Lamina densa
Lamina media
A and B
A and C - answerLamina Lucida and
Lamina Densa
The junctional epithelium has the following characteristics:
Acts as a barrier
Allows access to gingival fluids
Has a loose attachment to the tooth
Has rapid turnover
A, B, and C
A, B, and D - answerActs as a barrier,
Allows access to gingival fluids and
Has rapid turnover
The junctional epithelium is attached to the tooth surface by the:
External basement membrane
Epithelial attachment
