medical MCQs – Page 317

Practise multiple-choice questions from medical for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

6321. A 4 year old child with one tooth less than the normal dentition shows large tooth with two crowns and two root canals, the anamoly is______________?
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A. Dilaceration

B. Gemination

C. Concrescence

D. Fusion
6322. The torus mandibularis most commonly seen in the region of______________?
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A. Premolar region

B. Molar region

C. Incisor region

D. Canine region

6323. Which of the following is an oral precancer ?
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A. White spongy naevus

B. Leukemia

C. Oral hairy leukoplakia

D. Speckled Leukoplakia
6324. Mulberry molars are characteristic features of_____________?
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A. Due to chronic suppurative abscess in over lying gingival tissue

B. congenital syphilis

C. Trauma at the time of birth

D. Severe flurosis

6325. The term dilaceration refers to______________?
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A. A deformity of a tooth consisting of a sharp bend bend in the root

B. A tooth that is fractured at two or more places

C. A root or tooth that is split into two

D. Abrasions on two surfaces of single tooth

6326. Cysts associated with vital teeth are_______________?
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A. Dentigerous cyst, Globulomaxillary cyst, radicular cyst

B. Dentigerous cyst OKC, radicular cyst

C. Dentigerous cyst, Globulomaxillary cyst, lateral periodontal cyst, OKC

D. B & C

6327. A patient with carinoma cheek has tumor of 2.5 cms located close to and involving the lower alveolus. A single mobile homolateral node measuring node measuring 6 cm is palpable. Based on these clinical findings TNM stage of the tumor is______________?
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A. T1 N1 Mo

B. T3 N1 Mo

C. T4 N2 Mo

D. T2 N2 Mo
6328. The most common bone cancer is______________?
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A. Squamous cell carcinoma

B. Multiple myeloma

C. Metastatic bone cancer

D. Osteosarcoma

6329. Amelogenesis imperfecta is a disorder of_____________?
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A. Endoderm

B. Mesoderm

C. Ectoderm

D. Ecto and Mesoderm

6330. In Hypodontia, the most commonly affected tooth is_______________?
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A. Permanent second premolar

B. Permanent third molar

C. Permanent Canine

D. Permanent lateral incisor

6331. A girl suffering from browing of teeth, wearing of enamel but not cavitory, OPG shows obliteration of pulp with narrowing of canal & deposition of secondary dentin, she gave the history that out of her 4 brothers 2 are suffering from the same disease, She is suffering from_______________?
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A. Odontodysplasia

B. melogenesis imperfecta

C. Flurosis

D. Dentinogenesis imperfecta

6332. Biochemical abnormality associated with osteogenesis imperfecta is increase in______________?
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A. Alkaline phosphatase

B. Acid phosphatase

C. Bicarbonate ion

D. Phosphorylase enzyme
6333. Persons with the greatest risk of oral cancer_______________?
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A. Have a poor oro-dental hygiene, nutritional deficiencies and are chronic alcoholics

B. Are middle aged have a poor oro-dental hygiene and regularly use tabacco

C. Are young, have poor oro-dental hygiene and are heavy smokers

D. Are old, chronic alcoholics and regularly and regularly use tobacco
6334. Which of the following organisms is found in deep carious lesions rather than in incipient lesions ?
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A. Bateroides

B. Lactobacilli

C. Veillonella

D. Streptococci

6335. Of the following which is most common disorder causing pain about the masticatory apparatus including the TMJ_____________?
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A. Myofacial pain dysfunction syndrome

B. Traumatic arthritis

C. Trigeminal neuralgia

D. Degenerative arthritis

6336. Least cariogenic among these______________?
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A. Fructose

B. Sucrose

C. Cooked starch

D. Raw starch
6337. Brittle bone syndrome is caused by______________?
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A. Increase osteoclastic activity

B. Increase fibroblastic activity

C. Polymerisation of collagen

D. Improper synthesis of procollagen
6338. The inheritance pattern of dentinogensis imperfecta is______________?
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A. Recessive

B. Autosomal dominant

C. X-linked recessive

D. Homozygous

6339. Ectopic sebaceous glands in the mouth are called________________?
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A. Fordyce spots

B. Lingual verices

C. Linea alba buccalis

D. Hecks disease
6340. Peripheral giant cell granuloma occurs most commonly on the_______________?
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A. Alveolar ridge

B. Floor of the mouth

C. Palate

D. Gingiva