21q: which of the following statements best represents ludwig’s angina ?
- a type of coronary artery spasm
- an infection of the cellular tissues around submandibular gland
- oesophageal spasm
- retropharyngeal infection
answer: b . an infection of the cellular tissues around submandibular gland .
22q: treatment of choice for carcinoma of lip less than one centimeter ?
- radiation and chemotherapy
answer: c . excision .
23q: carcinoma of tongue less than 2 centimeters is treated by ?
- excision and radiotherapy
- excision and chemotherapy
answer: a . excision .
24q: a patient presented with a 1 X 1.5 cms growth on the lateral border of the tongue. The treatment indicated would be ?
- laser ablation
- interstitial brachytherapy
- external beam radiotherapy
answer: b . interstitial brachytherapy . when u are asked about the management of carcinoma of tongue first observe the size of the tumor , if the size of the tumor is less than 1 cms surgical excision with wide margins is the treatment of choice .
if the size of the tumor is greater than 1 cm , then radiotherapy is the treatment of choice .
radiotherapy is of two types , that is interstitial brachytherapy and teletherapy . if the cancer of tongue involves anterior part of the tongue , then interstitial brachytherapy is the treatment of choice and if the cancer involves the posterior part of the tongue then teletherapy is the treatment of choice .
25q: tina , a 32 year old female from rural background presented with a history of chronic tobacco chewing since 14 year of age . now she has difficulty in opening her mouth. On oral examination no ulcers are seen . most probable diagnosis ?
- submucous oral fibrosis
- carcinoma of buccal mucosa
- TM joint arthritis
- Trigeminal nerve paralysis
Answer: a . submucous oral fibrosis .
26q: metastasis of carcinoma buccal mucosa goes to ?
- regional lymph node
answer: a . regional lymph node .
27q: all of the following predisposes to oral cancer except ?
- submucosal fibrosis
- lichen planus
answer: d . lichen planus .
28q: all of the following predispose to squamous cell carcinoma except ?
- lichen planus of mouth
- bowen’s disease
- inverted papilloma of nose
- chronic irritation or oral mucosa of jagged teeth
answer: a . lichen planus of mouth .
the predisposing factors for squamous cell carcinoma of oral cavity :
- chronic hyperplastic candidiasis
- oral submucosal fibrosis
- syphilitic glossitis
- sideropenic dysphagia
- long standing dental ulcer (chronic irritation or oral mucosa by jagged teeth)
29q: impacted wisdom teeth may produce referred pain via ?
- lingual nerve
- facial nerve
- branch of the auriculo temporal nerve
answer: c . branch of the auriculo temporal nerve .
30q: not a carcinogenic for cancer of head and neck ?
- unflourinated water
answer: d . unflourinated water .