509. A 2-day-old developing plaque consists primarily of

A. Treponema species.
B. Bacteroides species.
C. filamentous organisms.
D. gram-positive cocci and rods.
E. a structureless, non-mineralized pellicle.

498.Another name for infectious mononucleosis is

a.Pfeieffer disease
b.Kissing disease
c.Both a and b
d.None


Ans-C.Both a and b Refer shafers 5th ed pg 1065

497.All of the following are radiopaque lesions except

a.Ameloblastic Fibroma
b.Ameloblastic Fibroodontoma
c.Cementoblastoma
d.Odontoma



Ans-a.Ameloblastic Fibroma

496.Rain drop pigmentation of skin and mucosa is seen in

a.Arsenic poisoning
b.Bismuth poisoning
c.Lead poisoning
d.Mercury poisoning

Ans-a.Arsenic poisoning

495.Most common site for the occurence of granular cell myoblastoma is

a.Neck
b.Tongue
c.Lips
d.Gingiva

Ans-b.Tongue

467.Etiology of multiple neurofibromatosis is

a.Genetic
b.Viral
c.Injury
d.Endocrine


Ans-a.Genetic

Reference-Shafer's 5th ed pg 280

466.Keratocanthoma most commonly occurs on

a.Lips
b.Buccal mocosa
c.Gingiva
d.Palate

Ans-a.Lips

465.Sarcoma of the soft tissues spread by

1.Blood vessels
2.Lymphatics
3.Direct invasion
4.Local infiltration

Ans-1.Blood vessels
 Ref -Shafer 4th ed pg 169 /5th ed pg 220

464.Induction effect is characterstic of which of the following conditions

a.Cementoblastoma

b.Ameloblastoma

c.Ameloblastic fibro-odontome

d.Odontogenic adenomatoid tumour

Ans-Ameloblastoma

459.Bald tongue of sandwith is seen in

a.Perinicious anaemia

b.Niacin deficiency

c.Riboflavin defeciency

d.Scarlet fever

Ans-b.Niacin deficiency

458.Pseudorhagades are seen in

a.Ectodermal dysplasia

b.Congenital Syphillis

c.Scleroderma

d.Oral sub mucous fibrosis

Ans-a.Ectodermal dysplasia

457.Coup-de -sabre appearance is seen in

a.Scleroderma

b.SLE

c.Rhinoscleroma

d.Solar elastosis

Ans-a.Scleroderma

445. A patient is congenitally missing the maxillary lateral incisors and mandibular second premolars. This individual is said to have the condition known as:

 

A.           anodontia

B.           oligodontia

C.           hypodontia

D.           hyperdontia 

250.Incidence of natal and neonatal teeth is estimated to be

a.1:2000 and 1:30,000
b.1:1000 and 1:30,000
c.1:3000 and 1:20,000
d.1:4000 and 1:20,000

Ans-b.1:1000 and 1:30,000

249.Syndromes associated with both hyperdontia as well as hypodontia are all except

a.crouzon's disease
b.Down's syndrome
c.Hallerman streiff syndrome
d.Reiger syndrome

Ans-d.Reiger syndrome

212. Most common primary malignant tumour of long bones is

a.Osteosarcoma
b.Multiple myeloma
c.Ewings sarcoma
d.Metastatic carcinoma

Ans:a.Osteosarcoma

Explanation:osteosarcoma is the commonest primary malignant tumour of long bones and Multiple myeloma is the commonest primary malignant tumour. (Ref robbins 7th ed)

211. Low bone mass is seen in:

1. Paget’s disease.
2. Rickets.
3. Osteomalacia.
4. None of the above

13.Which has potential 2 turn into malignant melanoma?

a). junctional nevus b). compound nevus
c). intradermal nevus d). blue nevus


Ans. A
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8.

 8.Bilateral spongy folded mucosa is seen in:
A. Candidiasis.
B. White sponge nevus.
C. Aspirin burns.
D. Leukoplakia.
---------------------------------------------------------

8. Answer is: B- White sponge nevus
(Ref: Shafer/ 4th- 825)

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