Perio Exam 1 Questions and Answers Already Passed Graded A+
The gingival connective tissues would be very weak and tend to fall apart if not for which of the
following structures? - Answers Extracellular matrix
Which of the following is TRUE about junctional epithelium? - Answers The cells are connected to
neighboring epithelial cells by desmosomes
The space between the free gingiva and tooth surface is called: - Answers D. Gingival sulcus
Lattice-like bone that fills the interior portion of the alveolar process refers to: - Answers Cancellous
bone
Which of the following groups of fibers attach the gingiva to bone? - Answers Alveologingival,
periosteogingival
In health, the junctional epithelium has a wavy tissue interface with connective tissue. The junctional
epithelium provides a protective barrier between plaque biofilm and connective tissue. - Answers The
first statement is false; the second is true
A gingival epithelial cell is attached to the basal lamina. Which type of cell junction allows the cell to
attach to the basal lamina? - Answers Hemidesmosome
The difference between a desmosome and hemidesmosome is that: - Answers A desmosome connects
two cells together, and hemidesmosome connects a cell to the basal lamina
All of the following statements about keratinization are true EXCEPT: - Answers Although keratinized
tissue is very strong, it is also very flexible
If a tooth did not have this anatomical structure, it might fall out of its socket: - Answers Periodontal
ligament
All of the following are true of oral epithelium, EXCEPT: - Answers It is permeable, allowing for flow of
crevicular fluid
A patient has deep pockets and has had 3-month appointments with a dental hygienist for many, many
years. At each visit, the hygienists who have treated her have performed periodontal instrumentation
on the roots of all the teeth using a very firm, scraping stroke. After many years, the periodontal
instrumentation might remove a part of the periodontium. Which anatomical area of the periodontium
could be removed from the root after years of instrumentation? - Answers Cementum
Which of the following tooth structures is an example of epithelial tissue? - Answers Enamel
During mastication, the tooth is cushioned from occlusal forces by the: - Answers Periodontal ligament
The gingival connective tissues would be very weak and tend to fall apart if not for which of the
following structures? - Answers Extracellular matrix
Which of the following is TRUE about junctional epithelium? - Answers The cells are connected to
neighboring epithelial cells by desmosomes
The space between the free gingiva and tooth surface is called: - Answers D. Gingival sulcus
Lattice-like bone that fills the interior portion of the alveolar process refers to: - Answers Cancellous
bone
Which of the following groups of fibers attach the gingiva to bone? - Answers Alveologingival,
periosteogingival
In health, the junctional epithelium has a wavy tissue interface with connective tissue. The junctional
epithelium provides a protective barrier between plaque biofilm and connective tissue. - Answers The
first statement is false; the second is true
A gingival epithelial cell is attached to the basal lamina. Which type of cell junction allows the cell to
attach to the basal lamina? - Answers Hemidesmosome
The difference between a desmosome and hemidesmosome is that: - Answers A desmosome connects
two cells together, and hemidesmosome connects a cell to the basal lamina
All of the following statements about keratinization are true EXCEPT: - Answers Although keratinized
tissue is very strong, it is also very flexible
If a tooth did not have this anatomical structure, it might fall out of its socket: - Answers Periodontal
ligament
All of the following are true of oral epithelium, EXCEPT: - Answers It is permeable, allowing for flow of
crevicular fluid
A patient has deep pockets and has had 3-month appointments with a dental hygienist for many, many
years. At each visit, the hygienists who have treated her have performed periodontal instrumentation
on the roots of all the teeth using a very firm, scraping stroke. After many years, the periodontal
instrumentation might remove a part of the periodontium. Which anatomical area of the periodontium
could be removed from the root after years of instrumentation? - Answers Cementum
Which of the following tooth structures is an example of epithelial tissue? - Answers Enamel
During mastication, the tooth is cushioned from occlusal forces by the: - Answers Periodontal ligament
