Question 1

Where are the taste buds located within the circumvallate lingual papillae on the dorsal surface of the tongue?

Accepted Answer

A)   None are present within the epithelium.
B)   Hundreds are surrounding the entire base.
C)   The are on the lateral parts of structure.
D)   A variable number can be found in the most superficial part.E) B) and D)
F) A) and D)

Question 2

Which of the following changes can occur in the oral mucosa as it ages?

Accepted Answer

A)   Increase in rete ridges in epithelium
B)   Increase in lingual papillae on the dorsal tongue surface
C)   Decrease in taste buds with the lingual papillae
D)   Decrease in lingual veins on the ventral surface of the tongueE) B) and D)
F) None of the above

Question 3

Which of the following lingual papillae are involved in the normal variation of geographic tongue?

Accepted Answer

A)   Circumvallate
B)   Foliate
C)   Fungiform
D)   FiliformE) C) and D)
F) B) and C)

Question 4

Melanin pigment for the oral cavity is synthesized in which of the following cells?

Accepted Answer

A)   Melanocytes
B)   Melanosomes
C)   Keratinocytes
D)   NonkeratinocytesE) A) and B)
F) A) and C)

Question 5

Which of the following layers make up the bulk of nonkeratinized epithelium in the oral cavity?

Accepted Answer

A)   Basal layer
B)   Intermediate layer
C)   Superficial layer
D)   Prickle layerE) C) and D)
F) None of the above

Question 6

What is the most common cell in the lamina propria of oral mucosa?

Accepted Answer

A)   Mast cell
B)   Fibroblast
C)   Macrophages
D)   LymphocytesE) C) and D)
F) B) and D)

Question 7

Which is the most superficial layer of the lamina propria of oral mucosa?

Accepted Answer

A)   Dense layer
B)   Capillary plexus
C)   Submucosa
D)   Papillary layerE) A) and D)
F) B) and C)

Question 8

The basal layer of oral mucosa in the oral cavity generally has:

Accepted Answer

A)   columnar-shaped cells.
B)   two cell layers.
C)   cells undergoing mitosis.
D)   keratin being produced.E) A) and B)
F) B) and C) C

Question 9

The attached gingiva of the oral cavity consists of which type of oral mucosa?

Accepted Answer

A)   Alveolar mucosa
B)   Masticatory mucosa
C)   Specialized mucosa
D)   Lining mucosaE) A) and D)
F) None of the above

Question 10

Which of the following is considered correct regarding hyperkeratinization of the oral mucosa?

Accepted Answer

A)   It commonly occurs on buccal mucosa with the linea alba.
B)   It is associated with chronic freezing of the tissue.
C)   It is a response to frictional but not chemical trauma.
D)   Changes are reversible even if the source of the injury is not removed.E) A) and B)
F) C) and D)

Question 11

In a young adult,the buccal mucosa may contain Fordyce spots,which refer to:

Accepted Answer

A)   salivary gland tissue trapped in the lamina propria.
B)   deposits of sebum from misplaced sebaceous gland tissue.
C)   hyperkeratinized areas from localized tissue trauma.
D)   remnants of tonsillar tissue misplaced in the epithelium.E) A) and B)
F) B) and D) B

Question 12

Which of the following lingual papillae are involved in the lesion of black hairy tongue?

Accepted Answer

A)   Circumvallate
B)   Foliate
C)   Fungiform
D)   FiliformE) B) and C)
F) A) and D)

Question 13

Which of the following regions in the oral cavity has the lowest turnover times?

Accepted Answer

A)   Hard palate
B)   Floor of the mouth
C)   Buccal and labial mucosa
D)   Attached gingivaE) A) and D)
F) None of the above

Question 14

Both the attached gingiva and buccal mucosa are mainly pinkish in color and not reddish due to the:

Accepted Answer

A)   vascularity of the lamina propria.
B)   closeness to bone tissue.
C)   decreased number of melanocytes.
D)   increased thickness of the epithelial layers.E) A) and D)
F) A) and C)

Question 15

When viewing the oral mucosa of the floor of the mouth through a microscope,which of the following can be noted?

Accepted Answer

A)   Thick epithelial layers
B)   Narrow connective tissue papillae
C)   Extensive vascular supply
D)   Keratinized epitheliumE) B) and D)
F) A) and D)

Question 16

In the oral cavity,masticatory mucosa always contains a(n) :

Accepted Answer

A)   keratin layer without nuclei.
B)   distinct granular layer.
C)   prickle layer.
D)   underlying submucosa.E) A) and D)
F) A) and C) C

Question 17

Keratohyalin granules are located in which of the following epithelial layers in the oral cavity?

Accepted Answer

A)   Stratum spinosum
B)   Stratum granulosum
C)   Stratum corneum
D)   Stratum basaleE) B) and C)
F) A) and C)

Question 18

What type of tissue makes up the bulk of the lamina propria of the oral mucosa?

Accepted Answer

A)   Connective tissue
B)   Muscle tissue
C)   Nerve tissue
D)   EpitheliumE) B) and D)
F) A) and C)

Question 19

What is one difference in the repair process of the oral mucosa as compared to that of the skin?

Accepted Answer

A)   Dry scab is present.
B)   Clot stays moist over time.
C)   Inflammatory response is triggered.
D)   Fibroblasts migrate to produce immature connective tissue.E) A) and C)
F) A) and D)

Question 20

Which of the following statements concerning pigmentation in the oral cavity is correct?

Accepted Answer

A)   Melanin is formed by epithelial basal cells.
B)   Pigmentation is most noticeable in the alveolar mucosa.
C)   The number of melanocytes differs according to clinical appearances.
D)   Clinical levels of pigmentation are controlled by genetic programming.E) All of the above
F) A) and B)

Exam 9: Oral Mucosa

Where are the taste buds located within the circumvallate lingual papillae on the dorsal surface of the tongue?

Correct AnswerverifiedShow Answer

Which of the following changes can occur in the oral mucosa as it ages?

Correct AnswerverifiedShow Answer

Which of the following lingual papillae are involved in the normal variation of geographic tongue?

Correct AnswerverifiedShow Answer

Melanin pigment for the oral cavity is synthesized in which of the following cells?

Correct AnswerverifiedShow Answer

Which of the following layers make up the bulk of nonkeratinized epithelium in the oral cavity?

Correct AnswerverifiedShow Answer

What is the most common cell in the lamina propria of oral mucosa?

Correct AnswerverifiedShow Answer

Which is the most superficial layer of the lamina propria of oral mucosa?

Correct AnswerverifiedShow Answer

The basal layer of oral mucosa in the oral cavity generally has:

Correct AnswerverifiedC

The attached gingiva of the oral cavity consists of which type of oral mucosa?

Correct AnswerverifiedShow Answer

Which of the following is considered correct regarding hyperkeratinization of the oral mucosa?

Correct AnswerverifiedShow Answer

In a young adult,the buccal mucosa may contain Fordyce spots,which refer to:

Correct AnswerverifiedB

Which of the following lingual papillae are involved in the lesion of black hairy tongue?

Correct AnswerverifiedShow Answer

Which of the following regions in the oral cavity has the lowest turnover times?

Correct AnswerverifiedShow Answer

Both the attached gingiva and buccal mucosa are mainly pinkish in color and not reddish due to the:

Correct AnswerverifiedShow Answer

When viewing the oral mucosa of the floor of the mouth through a microscope,which of the following can be noted?

Correct AnswerverifiedShow Answer

In the oral cavity,masticatory mucosa always contains a(n) :

Correct AnswerverifiedC

Keratohyalin granules are located in which of the following epithelial layers in the oral cavity?

Correct AnswerverifiedShow Answer

What type of tissue makes up the bulk of the lamina propria of the oral mucosa?

Correct AnswerverifiedShow Answer

What is one difference in the repair process of the oral mucosa as compared to that of the skin?

Correct AnswerverifiedShow Answer

Which of the following statements concerning pigmentation in the oral cavity is correct?

Correct AnswerverifiedShow Answer

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C

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B

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C

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