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General and Oral Pathology for the Dental Hygienist > Chapter 7 DENT 1060 > Flashcards

Chapter 7 DENT 1060 Flashcards

1
Q 
Which of the following are associated with the neoplastic transformation of cells?
A. Chemicals
B. Sunlight
C. Viruses
D. All of the above
A

D. All of the above

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2
Q

Neoplasia involves:

a. abnormal proliferation of cells in response to tissue damage
b. controlled proliferation of cells
c. normal arrangement of proliferating cells
d. irreversible change that results in an uncontrolled multiplication of cells

A

d. irreversible change that results in an uncontrolled multiplication of cells

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3
Q

Which of the following statements concerning leukoplakia is TRUE?

a. most cases represent examples of epithelial dysplasia
b. sites that are at high risk for epithelial dysplasia include the palate and gingiva
c. a biopsy should be performed to establish a diagnosis
d. leukoplakia is less common than erythroplakia

A

c. a biopsy should be performed to establish a diagnosis

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4
Q

Which of the following is a characteristic of benign tumors?

A

c. slow growth

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5
Q

A small white exophytic lesion on the palate is a benign lesion composed of squamous epithelium. Papillary projections are arranged in a cauliflower-like appearance. It is most likely a:

a. papilloma
b. fibroma
c. neurofibroma
d. granular cell tumor

A

a. papilloma

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6
Q

Which of the following is not a histologic characteristic of squamous cell carcinoma?

A

d. cells with very small nuclei

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7
Q

Which of the following are the most common locations for intraoral squamous cell carcinoma?

a. upper labial mucosa, buccal mucosa, and hard palate
b. lower labial mucosa, maxillary gingiva, and buccal mucosa
c. floor of the mouth, ventrolateral tongue, and soft palate
d. anterior tongue, mandibular gingiva, and retromolar area

A

c. floor of the mouth, ventrolateral tongue, and soft palate

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8
Q

A patient with squamous cell carcinoma of the lateral tongue exhibits metastatic disease in the lungs. What clinical stage correlates with these findings?

a. stage I
b. stage II
c. stage III
d. stage IV

A

d. stage IV

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9
Q 
Which of the following represents the earliest clinical example of squama cell carcinoma?
a. Exophytic mass
B. erythematous plaque
C. Nonhealing ulceration
D. Destructive radiolucency
A

C. Nonhealing ulceration

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10
Q 
The most appropriate treatment for epithelial dysplasia is
A. Observation
B. chemotherapy
C. Surgical excision
D. Repeat biopsy in six months
A

C. Surgical excision

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11
Q 
The verrucous carcinoma is differentiated from squamous cell carcinoma because it:
A. Does not occur in the oral cavity
B. responds to chemotherapy
C. Has a better prognosis
D. Often metastasizes
A

C. Has a better prognosis

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12
Q 
The most common intraoral location for salivary gland tumors is the: 
A. Lower lip
B. buccal mucosa
C. Junction of the hard and soft palate
D. Anterior tongue
A

C. Junction of the hard and soft palate

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13
Q 
Which of the following is an example of  a malignant salivary gland tumor?
A. Pleomorphic adenoma
B. Warthin's tumor
C. Monomorphic Adenoma
D. Adenoid cystic carcinoma
A

D. Adenoid cystic carcinoma

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14
Q

Which of the following statements concerning an ameloblastoma is true?
A. It often occurs in young children
B. it is a radiopaque lesion
C. It often occurs in the mandibular molar and ramus area
D. It should be treated with radiation therapy

A

C. It often occurs in the mandibular molar and ramus area

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15
Q 
The odontogenic tumor that characteristically appears as a well circumscribed radiolucency located in the anterior maxilla of an adolescent girl is an:
A. Ameloblastic fibroma
B. Ameloblastoma
C. Odontogenic myxoma
D. Adenomatoid odontogenic tumor
A

D. Adenomatoid odontogenic tumor

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16
Q 
Which odontogenic tumor most closely resembles mesenchyme of the dental follicle?
A. Benign cementoblastoma
B. odontogenic myxoma
C. Complex odontoma
D. Adenomatoid odontogenic tumor
A

B. odontogenic myxoma

17
Q

A benign cementoblastoma may be recognized radiographically because:
A. It is a well circumscribed radiopaque lesion without radiolucent halo attached to the root of a tooth
B. it has a radiolucent multilocular appearance
C. It is a radiolucent lesion surrounding the crown of an impacted tooth
D. It is an ill-defined radiolucent lesion containing scattered opacifications

A

A. It is a well circumscribed radiopaque lesion without radiolucent halo attached to the root of a tooth

18
Q 
Which of the following lesions characteristically occurs on the alveolar mucosa?
A. Congenital epulis
B. granular cell tumor
C. Lymphangioma
D. Lipoma
A

A. Congenital epulis

19
Q 
Human herpesvirus eight is associated with:
A. Lymphangioma
B. rhabdomyosarcoma
C. Kaposi's sarcoma
D. Schwannoma
A

C. Kaposi’s sarcoma

20
Q

A compound odontoma differs from a complex odontoma in that a compound odontoma:

a. is composed of tooth like structures
b. has unlimited growth potential
c. is composed primarily of pulp tissue
d. is located in the posterior mandible

A

a. is composed of tooth like structures

21
Q

Peripheral odontogenic tumors are located on the:

a. tongue
b. lower lip
c. buccal mucosa
d. gingiva

A

d. gingiva

22
Q

A benign tumor of adipose tissue is called a:

a. lipoma
b. schwannoma
c. hemangioma
d. lymphangioma

A

a. lipoma

23
Q

The most common malignant soft tissue tumor of the head and neck in children is:

a. squamous cell carcinoma
b. lymphoma
c. rhabdomyosarcoma
d. osteosarcoma

A

c. rhabdomyosarcoma

24
Q

Malignant melanoma of the oral cavity is rare; however, the most common intraoral location is the:

a. palate and maxillary gingiva
b. tongue
c. buccal mucosa
d. retromolar area

A

a. palate and maxillary gingiva

25
Q

Which of the following neoplasms often occurs in the buccal mucosa or vestibule?

a. lipoma
b. congenital epulis
c. lymphangioma
d. melanocytic nevus

A

a. lipoma

26
Q

A malignant tumor of bone-forming tissue is called:

a. chondrosarcoma
b. melanoma
c. osteosarcoma
d. rhabdomyosarcoma

A

c. osteosarcoma

27
Q

An overproduction of atypical white blood cells in the circulating blood is called:

a. lymphoma
b. leukemia
c. malignant melanoma
d. multiple myeloma

A

b. leukemia

28
Q

Which of the following is a malignant tumor of lymphocytes?

a. multiple myeloma
b. malignant melanoma
c. lymphoma
d. kaposi sarcoma

A

c. lymphoma

29
Q

The cell involved in multiple myeloma is the:

a. lymphocyte
b. histiocyte
c. eosinophil
d. plasma cell

A

d. plasma cell

30
Q

The most frequent intraoral site for metastatic tumors is the:

a. buccal mucosa
b. mandible
c. soft palate
d. floor of the mouth

A

b. mandible

General and Oral Pathology for the Dental Hygienist (10 decks)

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