6401. What is the PH at which initiation of caries begin ?
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A. 3.5-4.5

B. 5.2-5.5

C. 4.9-5.1

D. 4.3-4.5

6402. Caries, all are true except______________?
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A. Pit and Fissure caries can be prevented by using pit and tissue sealants

B. Lactobacillus is main acusative organism in plaque

C. Smooth surface caries occur due to streptococcus mutans

D. Fluorides help in reducing caries incidence

6409. In the earliest stages of carious lesion. There is loss of______________?
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A. Enamel lamellae

B. Interprismatic substance

C. Enamel cuticle

D. Organic matrix

6410. Teratoma is best describad as______________?
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A. Associated with very painful condition

B. Originates from mesodermal tissue

C. Namartous developmental manifestation consisting of three different layers

D. Occurs most commonly in stomach and lungs

6411. Anodontia affects the growth of________________?
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A. Mandible

B. Alveolar bone

C. Maxilla

D. Cranium

6412. Lingual tonsils arise___________________?
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A. As developmental anomalies

B. As a result of hyperpalsia

C. Due to repeated trauma in the area

D. From carcinomatous transformation

6415. The most pronounced effect on the oral microflora of a reduction in rate of salivary flow is a_____________?
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A. Significant decrease in number of oral bacteria

B. Significant increase in number of oral bacteria

C. Shift towards more aerobic microflora

D. Shift towards more acidogenic microflora
6416. True generalized microdontia is characterized by______________?
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A. Large teeth with small jaws

B. Small teeth with large jaws

C. Smaller teeth than the normal

D. Small teeth with small jaws

6417. All are true about supernumerary tooth except_______________?
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A. More common in mandible

B. Disto molars doesnt resemble any other tooth

C. May have resemblance to normal teeth

D. Mesiodens is the most common supernumerary tooth

6419. Definitive diagnosis of oral cancer is made by________________?
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A. Complete radiographic survey

B. Exfoliative cytology

C. Pantograph

D. Biopsy
6420. Swelling and redness of the orifices of minor salivary glands of the palate occurs in_________?
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A. Erythroplakia

B. Leukoplakia

C. Fovea Palatine

D. Nicotinic stomatitis
6421. Absence of pulp chambers is seen in_______________?
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A. None of the above

B. Dentinogenesis imperfecta

C. Craniofacial dysostosis

D. Amelogenesis imperfecta

6424. Submerged teeth are________________?
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A. Intruded teeth

B. Impacted teeth

C. Ankylosed teeth

D. Unerupted teeth

6425. True ankyloglossia occurs as a result of________________?
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A. Lingual frenum attached to the tip of tongue

B. Absence of lingual frenum

C. Union between tongue and floor of mouth

D. Short lingual frenum

6427. Which of the following statement is true ?
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A. Kaposi sarcoma is malignant fast growing tumour

B. Kaposi sarcoma is an ectodermal derivative

C. Kaposi sarcoma is found in HIV positive subjects

D. Kaposi sarcoma is a benign tumour

6429. Papillomatous tongue is observed in____________?
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A. Tuberous scterosis

B. Hyalinia cutus et mucosa syndrome

C. Lymphangioma

D. Fetal face syndrome

6430. Bone changes in hyperparathyroidism include________________?
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A. Brown tumours

B. Generalized demineralization

C. Cystic changes

D. All of the above
6431. A rhabdomyoma is a tumour origination from______________?
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A. Smooth muscle

B. Never tissue

C. Striated muscle

D. Vascular endothelium

6434. Which of the following is least affected in Vit C deficiency______________?
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A. Blood Vessels of the gingiva

B. Epithelial lining of the mucosa

C. Gingival Fibres

D. Periodontal ligament

6435. Bowens disease is_____________?
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A. Ulcerative lesion of G.I.T

B. Intro epithelial carcinoma

C. Benign neoplasm of the G.I.T

D. Vesiculobullous lesion of skins

6437. Magenta tongue is found in the deficiency of the vitamin_____________?
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A. pyridoxine

B. thiamine

C. Riboflavin

D. nicotinic acid

6438. Abtropfing affect is seen in_____________?
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A. Apthous ulcer

B. Pemphigus

C. Erythema multiformae

D. Junctional nevus
6439. Which of the following is associated with HIV infection________________?
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A. Hairy leukoplakia

B. Bullous pemphigoid

C. Oral lichen planus

D. Erythroplakia

6442. The histiocytosis X is a spectrum of disorders, Which include the following condition ?
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A. Hand Schuller Christian disease

B. All of the above

C. Eosinophilic granuloma

D. Letterer Siwe disease

6443. Glossodynia is_____________?
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A. White patch on tongue

B. Swelling of the tongue

C. Burning of the tongue

D. Pain in the tongue
6445. Herpes simplex is seen in______________?
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A. < 10 yrs. of age

B. 55-60 yrs. of age

C. 25-30 yrs. of age

D. 12-15 yrs. of age

6446. Which of the following occurs most commonly on tongue ?
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A. Lymphangioma and granular cell myoblastoma

B. Neuroblastoma and lipoma

C. Lymphangioma and fibroma

D. Lipoma and fibroma

6447. In HIV, which cells are affected_______________?
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A. Lymphocytes

B. CD4

C. CD8

D. Monocytes

6448. All about herpangina are false except_______________?
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A. May lead to high grade fever

B. May cause Dysphagia

C. May lead to vesicles formation in Anterior part of mouth around 20-30 in number

D. Anterior portion of mouth have only minor vesicles