set 2.2 (Oral pathology) Flashcards

(25 cards)

1
Q

One of the following is not a histological feature
associated with herpes simplex infection
a. Ballooning degeneration of cells
b. Lipshutz bodies
c. Subepithelial vesicle/bulla formation
d. Multinucleated giant cells

A

c. Subepithelial vesicle/bulla formation

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2
Q

The odontogenic neoplasm which is composed of
loose, primitive-appearing connective tissue that
resembles dental pulp, microscopically is known as
_.
a. odontoma
b. ameloblastoma
c. ameloblastic fibroma
d. ameloblastic fibro-odontoma
e. odontogenic myxoma

A

e. odontogenic myxoma

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3
Q

Rushton bodies and hyaline bodies are associated
with:
a. nasolabial cyst
b. dermoid cyst
c. radicular cyst
d. aneurysmal bone cyst
e. globulomaxillary cyst

A

c. radicular cyst

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4
Q

Central and peripheral giant cell granulomas share
which of the following features?
a. Microscopic appearance
b. Clinical behavior
c. Recurrence rate
d. Similar forms of treatment
e. Radiographic appearance

A

a. Microscopic appearance

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5
Q

Select a false statement regarding ameloblastoma
from the statements given below
a. Slowly growing, locally invasive tumor
b. Trabecular pattern is one of the histological
subtypes
c. Radiographically seen as well-defined,
multilocular radiolucency
d. Predilection for occurring in posterior
mandibular region

A

b. Trabecular pattern is one of the histological subtypes

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6
Q

Which of the following bone diseases are hereditary?
I. Osteogenesis imperfecta
II. Osteitis fibrosa cystica
III. Cleidocranial dysostosis
IV. Cherubism
V. Multiple myeloma
a. I, III, IV
b. I, IV, V
c. II, III, IV
d. II, IV, V
e. III, IV, V

A

a. I, III, IV

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7
Q

Which amongst the following lesions occurs more
frequently in anterior maxilla?
a. Adenomatoid odontogenic tumor
b. Unicystic ameloblastoma
c. Granular cell odontogenic tumor
d. Cementoblastoma

A

a. Adenomatoid odontogenic tumor

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8
Q

Which of the following statements about syphilis is
correct?
a. The serological test for syphilis is strongly
positive during the early primary stage.
b. The mucocutaneous lesions of secondary
syphilis contain many spirochetes.
c. The typical lesion of secondary syphilis is
called the gumma.
d. The chancre is not contagious.
e. All of the above

A

b. The mucocutaneous lesions of secondary
syphilis contain many spirochetes.

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9
Q

A 41-year-old woman has periodic burning of her
buccal mucosa. Clinical examination reveals the
presence of slightly elevated, grayish-white linear
plaques. Biopsy of one of these reveals mild surface
keratosis, acanthosis, vacuolation of many of the cells
of the basal cell layer, and a dense inflammatory
cellular infiltrate sharply delineated to the subepithelial connective tissue. The diagnosis most consistent with these changes is
a. Leukoedema
b. leukoplakia
c. lichen planus
d. white-sponge nevus
e. benign mucous membrane pemphigoid

A

c. lichen planus

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10
Q

Lack of response at any level in a pulp-vitality test can
be used to differentiate between a
a. cementoma and periapical granuloma
b. cementoma and incisive canal cyst
c. globulomaxillary cyst and traumatic bone
cyst
d. periapical granuloma and an apical
periodontal cyst
e. periapical granuloma and condensing
osteitis

A

a. cementoma and periapical granuloma

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11
Q

The giant cell granuloma is characterized by all of the
following histopathologic features except
a. foci of hemorrhage
b. scattered eosinophils
c. deposits of hemosiderin
d. many multinucleated giant cells
e. a stroma consisting of fusiform and round
fibroblasts

A

b. scattered eosinophils

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12
Q

Which one of the following is an important factor in
the recurrence of odontogenic keratocysts? (#87)
a. Presence of exudate in the cyst lumen
b. Presence of inflammation in connective
tissue wall
c. Friable and thin epithelial lining
d. Development of new cysts from the cell
rests of Malassez in the vicinity

A

c. Friable and thin epithelial lining

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13
Q

Which of the following epithelial changes is most
likely to be precancerous?
a. Parakeratosis
b. Acanthosis
c. Dysplasia
d. Hyperkeratosis

A

c. Dysplasia

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14
Q

A sclerotic zone in dentin is caused by (#89)
a. hypocalcification of odontoblastic processes
and tubules
b. mechanical, bacterial, or chemical irritation
c. death of odontoblasts
d. tetracycline therapy

A

b. mechanical, bacterial, or chemical irritation

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15
Q

All forms of osteomyelitis are much more commonly
seen in the mandible. Unless the inflammatory
process has been present for more than 1 week,
radiographic evidence of acute osteomyelitis is
usually not present.
a. Both statements are true
b. Both statements are false
c. The first statement is true, the second is
false
d. The first statement is false, the second is
true

A

a. Both statements are true

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16
Q

Within one hour of an operative procedure, clinical
features of a rapidly enlarging unilateral soft tissue
swelling of face with
a. acute osteomyelitis
b. buccal space infection
c. cervicofacial emphysema
d. canine space infection

A

c. cervicofacial emphysema

17
Q

Warthin’s tumor occur most frequently in which of
the following:
a. Submaxillary gland
b. Sublingual gland
c. Submandibular gland
d. Parotid gland

A

d. Parotid gland

18
Q

Which of the following is true regarding central giant
cell granulomas?
a. Appear more frequently than peripheral
giant cell granulomas
b. Found predominantly in children and young
adults
c. Affects males more than females
d. Present almost exclusively in the small
bones of the hands and feet

A

b. Found predominantly in children and young adults

19
Q

Immediately after removal of the biopsied specimen,
it must be fixed in _ percent formalin.
a. 10
b. 100
c. 50
d. 75

20
Q

Which amongst the following types of nevi shows the
greatest risk of developing into malignant melanoma?
a. Intradermal nevus
b. Compound
c. Blue nevus
d. Junctional nevus

A

d. Junctional nevus

21
Q

Among the following causes, the least probable cause
of hairy tongue is:
a. Smoking
b. Poor oral hygiene
c. Epstein-Barr virus
d. Radiation therapy

A

c. Epstein-Barr virus

22
Q

_ is the only odontogenic tumor amongst the
following which does not usually occur in younger
individuals.
a. Odontoameloblastoma
b. Ameloblastic fibro-odontoma
c. Granular cell odontogenic tumor
d. Odontoma

A

c. Granular cell odontogenic tumor

23
Q

Squamous cell carcinoma usually metastasize by way
of
a. Lymphatic system
b. Aspiration into the lungs
c. Venous system
d. Arterial system

A

a. Lymphatic system

24
Q

An 8-year-old child has complained of pain on the left
side of his head for 5 weeks. There are no abnormal
findings on physical examination. A panoramic
radiograph reveals multiple radiolucent lesions on the left side of the maxilla. The lesions give the
appearance of teeth that are “floating in the air.” The
lesions are sharply circumscribed with a punched-out
appearance. Which of the following is the most likely
diagnosis?
a. Langerhans cell disease
b. Hyperparathyroidism
c. Cherubism
d. Paget’s disease

A

a. Langerhans cell disease

25
What percentage of leukoplakias turn into cancer? a. 5-6% b. 10% c. 25% d. 30%
a. 5-6%