Oral Patho Mid Qs

7/27/2019 Oral Patho Mid Qs

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2009 Mid-Term Questions for Oral Pathology 1

Exclude Cyct questions , because they are not included

in your Mid Exam1- Disorders of development of teeth are:

a- Inherited or acquiredb- Need thorough knowledge of chronology of human dentitionc- Prenatal or postnatald- Anomalies are limited to size and shape onlye- Most disturbances of ameloblast function produce hypoplasia and

hypomineralization.

2- Hyperdontia/ multiple supernumerary teeth may be seen in all of the following except:

a- Cleft palateb- Cleidocrainial dysplasiac- Gardner syndromed- Ectodermal dysplasia

3- Taurodontism is

a- A sharp bent in the tooth root at any levelb- Increase in the apico-occlusal height of pulp champerc- Affects the lower anterior teethd- Union between 2 teeth by cementum onlye- Is an acquired anomaly

4- Turner tooth is

a- A tooth that exhibit hypoplasia or hypomineralization of enamel b- Often seen in permanent caninesc- A diffuse anomaly affecting multiple teeth in permanent dentitiond- Affects deciduous and permanent teeth

5- Fever occurring soon after birth may produce:

a- Horizontal bands of enamel hypoplasia affecting all permanent teethb- Horizontal bands of enamel hypoplasia affecting incisal edges of incisors,

firstmolars and deciduous teethc- Horizontal bands of enamel hypoplasia affecting only permanent incisorsd- Horizontal bands of enamel hypoplasia affecting permanent canines

6- All of the following applies to amelogenesis imperfecta except:a- All types affect both permanent and deciduous dentitions Is a hereditary conditionb- Hypomineralization type exhibits pits and grooves with surface roughness

appearing as soon as the tooth erupts

c- Affected teeth shows unremarkable pulp changes


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7- All of the following are common locations of oral lymphoid tissue collections except:

a- Floor of the mouthb- Lateral tongue borderc- Soft palate

d-

Gingiva

8- All of the followings apply to retrocuspid papilla except:

a- Is a developmental changeb- Has a similar histopathologic picture to giant cell fibromac- More common in childrend- Presents lingual to the mandibular premolar/molar teeth

9- Immature/early loss of teeth (complete avulsion of the whole tooth) is seen in:

1. Amelogenesis imperfecta

2. Dentinogenesis imperfecta

3. Dentine dysplasia I4. Dentine dysplasia II

5. Hypophosphatasia

a- 2 and 5b- 3 and 5c- 1,2 and 5d- 1,2,3, and 4e- 2,3,4,and 5

10- Reduced enamel epithelium is the source of epithelial lining in all of the followingcysts except:

a- Dentigerous cystb- Eruption cystc- Paradental cystd- Lateral periodontal cyst

11- Pulp necrosis is a constant feature in:a- Lateral periodontal cystb- Paradental cystc- Odontogenic keratocystd- Radicular cyste- Nasopalatine duct cyst

12- Prominent neurovascular bundles are prominent in the wall ofa- Radicular cyst


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b- Nasopalatine duct cystc- Solitary bone cystd- Gingival cyst of the adult

13- A unilocular radiolucency surrounded by a white margin located below the inferior

alveolar canal is most likely:a- Traumatic bone cystb- Glandular odontogenic cystc- Stafne bone defectd- Lateral periodontal cyst

14- Relatively aggressive surgical management is needed to decrease/prevent recurrence

of all of the following except:

a- Odontogenic keratocystb- Glandular odontogenic cystc- Granular cell tumord- Thyroglossal duct cyst

15- Failure of the blood clot to organize is the proposed pathogenesis in:

a- Aneurysmal bone cystb- Solitary bone cyst/idiopathic bone cavityc- Stafne bone defectd- Nasopalatine duct cyst

16- All of the followings are psueudocysts except:

a- Solitary bone cystb- Aneurysmal bone cystc- Extravasation mucoceled- Retention mucocele

17- Specific histopathologic features of lining epithelium are seen in:

a- Eruption cystb- Radicular cystc- Stafne bone defectd- Odontogenic keratocyste- Dentigerous cyst

18- Neoplastic transformation is more likely to be seen in association with:

a- Odontogenic keratocystb- Glandular odontogenic cystc- Dentigerous cystd- Radicular cyste- Lateral periodontal cyst

19- Epulis:


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a- Is generalized gingival enlargementb- A benign neoplasm of the gingivac- A non specific term meaning on the gumd- Has the same histologic appearance in all cases

20- Hyperparathyroidism may be associated with:a- Peripheral ossifying fibromab- Pyogenic granulomac- Central or peripheral giant cell granulomad- Papillary hyperplasia of the palate

21- Blood spaces are lined by endothelium in all of the following vascular lesions

except:

a- Aneurysmal bone cystb- Hemangiomac- Venous lake

d- Varicositiese- Vascular malformation

22- The following appear clinically as vascular lesions except:a- Leiomyoma (angiomyoma)b- lymphangiomac- Hemangiomad- Pyogenic granulomae- Peripheral giant cell granuloma

23- Patients with multiple mucosal neuromas should be screened for:a- Neurofibromatosis Ib- Sturge Weber syndromec- Gardner syndromed- RET oncogene mutatione- Nevoid basal cell carcinoma syndrome

24- In which of the following lesions, the nerve trunk is pushed lateral to the lesion:

a- Schwannomab- Traumatic Neuromac- Neurofibromad- Granular cell tumor

25- Psuedocarcinomatous hyperplasia is present in:

1. Granular cell tumor2. Papillary palatal hyperplasia

3. Fibroepithelial polyp

4. Schwannoma


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a- 1 and 2b- 1,2 and 4c- 2 and 4d- 1,2,3 and 4

26- All of the following may present clinically as a submental swelling except:a- Plunging ranulab- Cystic hygromac- Dermoid cystd- Oral lymphoepithelial cyst

27- Starry sky appearance is used to describe the histopathologic picture of:

a- Hodgkin's lymphomab- Non-Hodgkin's lymphomac- T cell lymphomasd- Burkitt`s lymphoma

28- The following is true regarding discoloration of teeth:

a- Tetracycline becomes incorporated only in deciduous teeth when taken in childhood.b- Jaundice in a 12-year old is likely to cause green to yellowish discoloration of all

permanent teeth.

c- Teeth affected by porphyrin deposits show a yellowish fluorescence under ultravioletlight.

d- Tetracycline pigmentation shows a chronological pattern.

e- Staining caused by chromogenic bacteria is associated with a high caries index in

affected mouths.

29- Regarding tooth resorption:

a- In permanent teeth, resorption sufficient to be detected radiographically is

always pathological.

b- Internal resorption is more common than external resorption.

c- External resorption can only affect roots.d- Internal resorption can only affect crowns.

e- Internal resorption is always associated with a necrotic pulp.

30- Bruxism is usually associated with an accelerated rate of:a- Reimpaction.

b- Attrition.

c- Abrasion.

d- Erosion.e- Internal resorption.

31- Regarding pulpitis:a- Absence of symptoms is always evidence of a healthy pulp.


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b- Epithelium covering a pulp polyp originates from the pulp tissue.

c- The patient is usually able to accurately localize the pain of pulpitis to a certain tooth.

d- Chronic hyperplastic pulpitis is usually a painful condition.

e- Pulpitis starts before the leading organisms in carious dentin reach the pulp.

32- Regarding the dental pulp:a- A normal pulp should not respond to severe cold or electric stimulation.

b- Pulp obliteration by large quantities of irregular dentin may be seen after trauma

to apical blood vessels.

c- True pulp stones are composed of amorphous calcific material.d- The main threat to the pulp during cavity preparation is from pressure.

e- Pulp necrosis is always preceded by pain.

33- Ludwigs angina is likely to result from a periapical abscess affecting:a- A maxillary canine.

b- A maxillary molar.

c- A mandibular incisor.d- A mandibular molar.

e- A maxillary premolar.

34- Periapical granuloma:

a- Consists of an epithelium-lined cavity filled with tissue fluid.

b- Consists of an epithelium-lined cavity filled with pus.c- Tends to be symptomatic.

d- May contain epithelial islands.

e- Is treatable only by tooth extraction.

:exceptinclude all of the followingeriapical granulomape oflaExpected seque-35

a- Periapical abscess.

b- Periapical cyst.c- Osteosclerosis.

d- Pulp necrosis.

e- Root resorption.

Many thanks for 2009 colleagues :Musap AL-RawiOryb RabadiMohanad HusseinThamer Al-Zahrani
https://www.facebook.com/profile.php?id=594181820https://www.facebook.com/mhr.hussenhttps://www.facebook.com/mhr.hussenhttps://www.facebook.com/profile.php?id=594181820


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Good Luck All

Oral Patho Mid Qs

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