Odontome Multiple Choice Questions

Oral Cavity Odontomes Lip And Palate Multiple Choice Questions

Questions 1. Which one of the following has highest chance of malignancy?

1. Acanthosis
2. Dyskeratosis
3. Leukoplakia
4. Speckled leukoplakia

Answer: 4. Speckled leukoplakia

Questions 2. Drug used to treat leukoplakia is:

1. Vitamin E
2. Isonicotinic acid
3. Isotretinoin
4. Niacin

Answer: 3. Isotretinoin

Questions 3. Following are true for verrucous carcinoma except:

1. Very slow-growing
2. Poorly differentiated carcinoma
3. Spread by lymphatics is not common
4. Surgery is the best treatment

Answer: 2. Poorly differentiated carcinoma

Questions 4. Carcinoma tongue spreads to following lymph nodes except:

1. Submandibular
2. Submental
3. Jugulo-omohyoid
4. Supraclavicular node

Answer: 4. Supraclavicular node

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Questions 5. Following malignant lesions in the posterior third of the tongue can occur except:

1. Squamous cell carcinoma
2. Adenocarcinoma
3. Lymphoepithelioma
4. Sebaceous carcinoma

Answer: 4. Sebaceous carcinoma

Questions 6. The investigation of choice in oral cancer to find out the skull base involvement is:

1. CT scan
2. Angiography
3. MRI
4. Ultrasound

Answer: 3. MRI

Questions 7. Which cancer in the oral cavity—T1 N0 M0— requires supraomohyoid block dissection?

1. Carcinoma buccal mucosa
2. Verrucous carcinoma lower lip
3. Carcinoma upper lip
4. Carcinoma floor of the mouth

Answer: 4. Carcinoma floor of the mouth

Questions 8. The following are true for chronic hyperplastic candidiasis:

1. Invasion of Candida albicans
2. Antifungal treatment helps
3. High malignant potential
4. Floor of the mouth is affected

Answer: 4. Floor of the mouth is affected

Questions 9. Which one of the following conditions has a high incidence of distant spread?

1. Carcinoma buccal mucosa
2. Carcinoma tongue
3. Carcinoma floor of the mouth
4. Nasopharyngeal carcinoma

Answer: 4. Nasopharyngeal carcinoma

Questions 10. Which is the most effective chemotherapeutic drug for head and neck cancers?

1. Carboplatin
2. 5-Fluorouracil
3. Bleomycin
4. Cisplatin

Answer: 4. Cisplatin

Questions 11. Best treatment of carcinoma buccal mucosa—T1 N0 M0 is:

1. Radiotherapy only
2. Radiotherapy followed by surgery
3. Surgery only
4. Surgery followed by radiotherapy

Answer: 3. Surgery only

Questions 12. Khaini chewers are more susceptible for the development of which carcinoma?

1. Carcinoma lip
2. Carcinoma tongue
3. Carcinoma buccal mucosa
4. Carcinoma floor of the mouth

Answer: 1. Carcinoma lip

Questions 13. Estlander flap is used to cover:

1. Central defects of lip—lower lip
2. Central defects of lip—upper lip
3. Lateral defects of more than 50%
4. Lateral defects up to 30%

Answer: 4. Lateral defects up to 30%

Questions 14. The following are true for precancerous lesions of lip/oral cavity except:

1. Keratoacanthoma
2. Leukoplakia
3. Erythroplakia
4. Submucous fibrosis

Answer: 1. Keratoacanthoma

Questions 15. The following are features of carcinoma maxillary antrum except:

1. Can cause asymmetry of face
2. Can cause proptosis
3. Can cause infraorbital nerve paralysis
4. Can cause buccal branch of facial nerve paralysis

Answer: 4. Can cause buccal branch of facial nerve paralysis

Questions 16. Following are the boundaries of nasopharyngeal space except:

1. Nasal fossae
2. Basilar part of occipital bone
3. Body of sphenoid
4. Cribriform plate of ethmoid bone

Answer: 4. Cribriform plate of ethmoid bone

Questions 17. The following are true for nasopharyngeal carcinoma except:

1. Presents as high anterior cervical lymphadenopathy
2. Can present as trigeminal neuralgia
3. Compression of IX and X cranial nerves
4. Can present as ophthalmoplegia

Answer: 1. Presents as high anterior cervical lymphadenopathy

Questions 18. Following are painless ulcers in the tongue except:

1. Gummatous ulcers
2. Carcinomatous ulcers
3. Systemic diseases
4. Tuberculous ulcers

Answer: 4. Tuberculous ulcers

Questions 19. The following are painful ulcers in the tongue except:

1. Gummatous ulcers
2. Tuberculous ulcers
3. Aphthous ulcers
4. Dental ulcers

Answer: 1. Gummatous ulcers

Questions 20. The following are true for syphilitic lesions of the tongue except:

1. Snail track ulcers
2. Gumma
3. Hutchinson’s wart
4. Hunterian chancre

Answer: 4. Hunterian chancre

Questions 21. The following are true for dental cyst except:

1. Upper jaw is commonly involved
2. It is a large unilocular cyst
3. Cyst contains cholesterol crystals
4. Arises from unerupted tooth

Answer: 4. Arises from unerupted tooth

Questions 22. Which one of the following swellings does not contain cholesterol crystals?

1. Branchial cyst
2. Sebaceous cyst
3. Dental cyst
4. Hydrocoele

Answer: 2. Sebaceous cyst

Questions 23. The following are true for dentigerous cyst except:

1. Upper jaw is commonly involved
2. Produces egg shell crackling
3. X-ray shows soap bubble appearance
4. Arises from unerupted tooth

Answer: 1. Upper jaw is commonly involved

Questions 24. Adamantinoma of the jaw has following features except:

1. It is a malignant tumour
2. It spreads within medullary bone
3. It is treated by wide excision
4. Mandible is the most common site

Answer: 1. It is a malignant tumour

Questions 25. Which of the following is unilocular cyst?

1. Adamantinoma
2. Dentigerous cysts
3. Epididymal cyst
4. Dental cyst

Answer: 4. Dental cyst