DH 1350 Quiz 8 chap 9 oral mucosa

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anatomy2012
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DH 1350 Quiz 8 chap 9 oral mucosa
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2014-10-19 00:01:29
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Chapter 9 quiz 8 oral mucosa
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  1. Oral epithelium is classifed as:

    Simple squamous epithelium
    Stratified squamous epithelium
    Pseudostratified columnar epithelium
    Simple cuboidal epithelium
    Stratified squamous epithelium
  2. The turnover time for all types of epithelium is higher compared to connective tissue. The rapid turnover time is the result of high levels of mitosis in the deepest cells near the basement membrane.  

     Both the statement and reason are correct and related

    Both the statement and reason are correct but NOT related

    The statement is NOT correct, but the reason is correct

    NEITHER the statement NOR the reason is correct
    Both the statement and reason are correct and related
  3. Where is the lamina propria located?

     connective tissue proper region of oral mucosa

    alveolar bone proper of the mandible and maxilla

    within closely apposed sheets of bone tissue in compact bone

    small space that surrounds chondrocytes or ostoecytes
    connective tissue proper region of oral mucosa
  4. What type of tissue makes up the bulk of the lamina propria of the oral mucosa?

    connective tissue
    muscle tissue
    nerve tissue
    epithelium
    connective tissue
  5. Where is the capillary blood plexus located in the lamina propria of the oral mucosa?

    basal layer
    basement membrane
    submucosa
    between the superficial deeper layers
    between the superficial deeper layers
  6. The lamina propria of the attached gingiva is directly attached to the underlying bone acts as a periosteum and thus is termed _______
    mucoperiosteum
  7. The basal layer of oral mucosa generally has:

    columnar-shaped cells
    two cell layers
    cells undergoing mitosis
    Nonkeratinized Stratified Squamous Epithelium
    cells undergoing mitosis
  8. Which of the following is a deep tissue that may or may not be present in the oral mucosa, overlies bone or muscle in the oral cavity, and usually contains loose connective tissue and may also contain adipose connective tissue or salivary glands?  

    dermis
    keratin layer
    hypodermis
    submucosa
    submucosa
  9. Which of the following is an intermediate protein filament found in calloused epithelial tissues consisting of opaque waterproof substance?

    collagen
    keratin
    inclusion
    elastic fibers
    keratin
  10. Attached gingiva is found between the mucogingival junction and the free gingival groove.

    True
    False
    true
  11. The attached gingiva and buccal mucosa are mainly pinkish in color and not reddish due to the:

    vascularity of the lamina propria
    closeness to bone tissue
    decreased number of melanocytes
    increased thickness of the epithelial layers
    Nonkeratinized Stratified Squamous Epithelium,
    increased thickness of the epithelial layers
  12. Keratohyalin granules are located in which of the following epithelial layers?

    Stratum spinosum
    Stratum granulosum
    Orthokeratinized Stratified Squamous Epithelium
    Stratum corneum
    Stratum basale
    Stratum granulosum
  13. Which of the following is the immature connective tissue formed during the initial repair of the skin or oral mucosa?

    reticular tissue
    dense tissue
    loose tissue
    granulation tissue
    granulation tissue
  14. The dorsum of the tongue has on it many papillae of different kinds. The kinds of papilla may include: 

    Circumvallate, fibroform, fungiform, and fusiform
    Fungiform, foliform, and circumvallate, filiate
    Circumvallate, fungiform, filiform, and foliate
    Circumvallate, filiform and fatty
    Circumvallate, fungiform, filiform, and foliate
  15. Match the following six (6) terms with their descriptions

    submucosa
    Prickle layer
    capillary plexus
    keratin layer
    papillary layer
    granular layer

    1 Has desmosome intercellular junctions

    2 loose connective tissue with fingerlike projections for interdigitation

    3 contains keratohyaline

    4 contains loose connective tissue, adipose tissue or salivary glands and may or may not be present in the oral mucosa

    5 between the dense layer and papillary layer of lamina propria

    6 comparable to the superficial layer of nonkeratinized stratified squamous epithelium
    4 contains loose connective tissue, adipose tissue or salivary glands and may or may not be present in the oral mucosa

    1 Has desmosome intercellular junctions

    5 between the dense layer and papillary layer of lamina propria

    6 comparable to the superficial layer of nonkeratinized stratified squamous epithelium

    2 loose connective tissue with fingerlike projections for interdigitation

    3 contains keratohyaline
  16. Melanin is a pigment formed by melanocytes, derived from the neural crest cells, injecting cytoplasmic granules or inclusions called [blank1] into neighboring, newly formed
    epithelial cells of the basal layer _______
    melanosomes
  17. Which tissue listed below is CLOSELY
    associated with parakeratinized stratified squamous epithelium?

     marginal gingiva
    attached ginigva
    free gingival crest
    junctional epithelium
    attached ginigva
  18. The buccal mucosa may contain Fordyce's
    spots, which are:

    salivary gland tissue trapped in the lamina propria
    deposits of sebum from misplaced sebaceous gland tissue
    hyperkeratinized areas from localized tissue trauma
    remnants of tonsillar tissue misplaced in the epithelium
    deposits of sebum from misplaced sebaceous gland tissue
  19. Stippling is associated with which of the following?

    cartilage
    attached gingiva
    buccal mucosa
    lamina dura
    attached gingiva
  20. The mucogingival junction is absent from which of the following surfaces?

    mandibular lingual surface
    maxillary buccal surface
    maxillary palatal surface
    mandibular facial surface
    maxillary buccal surface
  21. Which of the following areas of the oral cavity is categorized as a lining mucosa?

    attached gingiva
    hard palate
    dorsal tongue surface
    soft palate
    palatal rugae
    soft palate
  22. Which of the following statements concerning pigmentation in the oral cavity is CORRECT?

    Melanin is formed by epithelial basal cells.

    Pigmentation is most noticeable in the alveolar mucosa.

    Number of melanocytes differs according to clinical appearances.

    Pigmentation serves no known function in the oral cavity.

    Melanocytes are derived from the mesodermal layer.
    Pigmentation serves no known function in the oral cavity
  23. Which of the following mucosa is found on the dorsal and lateral surface of the tongue in the form of the lingual papillae?

    buccal mucosa
    labial mucosa
    specialized mucosa
    oral mucosa
    specialized mucosa
  24. Which of the following body of the tongue lesions appear first as red, then paler pink, and finally white patches?

    black hairy tongue
    bifid tongue
    geographic tongue
    ankyloglossia of the tongue
    geographic tongue
  25. What type of cell listed below has prominent granules in the cytoplasm that form a keratin chemical precursor?

    osteoblasts
    fibroblasts
    epithelial cells
    leukocytes
    epithelial cells
  26. Shows a marked transition between the epithelium of the attached gingiva
    (masticatory) and that of the alveolar mucosa (lining) __________
    mucogingival junction
  27. Keratinized stratified squamous epithelium may readily be transformed into a  nonkeratinizing type of epithelium in response to frictional or chemical trauma in such case it undergose hyerpkeratinization.

    True
    False
    false
  28. MULTIPLE ANSWERS POSSIBLE

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

    keratinized layer without or with nuclei
    distinct granular layer
    prickle layer
    underlying submucosa
    • keratinized layer without or with nuclei
    • distinct granular layer

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