Free Oral Mucosal Lesions MCQs with Answers
234 Oral Mucosal Lesions MCQs from Oral Pathology and Medicine, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.
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- A. Sublingual salivary gland
- B. Minor salivary glands
- C. Submandibular salivary gland
- D. Parotid salivary gland
Explanation: Acinic cell carcinoma has a strong predilection for the parotid gland, where it arises from cells showing serous acinar differentiation.
Correct answer: Parotid salivary gland- A. Cholinergic drugs
- B. Anticholinergic drugs
- C. Andrenergic drugs
- D. None of the above
Explanation: Cholinergic stimulation activates parasympathetic secretomotor pathways and increases watery salivary flow.
Correct answer: Cholinergic drugs- A. Partial or complete compression of the salivary acini
- B. Rupture of a salivary duct
- C. Inflammatory changes in the glandular interestitial tissue
- D. Partial or complete obstruction of teh salivary duct by calculus
Explanation: Most mucoceles are extravasation lesions caused by rupture of a minor salivary duct, allowing mucus to enter the surrounding connective…
Correct answer: Rupture of a salivary duct- A. Actinomycosis
- B. Necrotizing sialometaplasia
- C. Pleomorphic adenoma
- D. Squamous cell carcinoma
Explanation: Necrotizing sialometaplasia commonly presents as a rapidly developing, painful crater-like ulcer on the posterior hard palate and can…
Correct answer: Necrotizing sialometaplasia- A. Lingual glands
- B. Parotid gland
- C. Sub lingual glands
- D. Submandibular gland
Explanation: Submandibular sialolithiasis is most common because the gland has a long, tortuous duct, an uphill drainage path, and relatively…
Correct answer: Submandibular gland- A. Causalgia
- B. Neuralgia
- C. Neuritis
- D. Temporal arteritis
Explanation: Causalgia is severe, often burning pain that develops after injury to or partial sectioning of a peripheral sensory nerve.
Correct answer: Causalgia- A. burning sensations in mouth
- B. Dysphagia
- C. Glossodynia
- D. excessive salivation
Explanation: Eagle syndrome results from an elongated styloid process or calcified stylohyoid ligament irritating nearby structures, commonly producing…
Correct answer: Dysphagia- A. valproic acid
- B. Diphen hydantoin
- C. carbamazepine
- D. None of the above
Explanation: Carbamazepine is the classic first-line drug for trigeminal neuralgia because it suppresses the abnormal ectopic firing of the affected…
Correct answer: carbamazepine- A. Swallowing
- B. chewing
- C. Protruding the tongue
- D. Whistling
Explanation: Whistling requires coordinated movement and tight closure of the lips, which are supplied by the muscles of facial expression through…
Correct answer: Whistling- A. Seventh cranial nerve
- B. sub mandibular gland
- C. Temporomandibular joint
- D. Glosso pharyngeal nerve
Explanation: Bell palsy is an acute lower motor neuron paralysis of the facial nerve, cranial nerve VII, causing weakness of the muscles on one side of…
Correct answer: Seventh cranial nerve- A. X
- B. IX
- C. VII
- D. II
Explanation: Geniculate neuralgia involves the geniculate ganglion and nervus intermedius, which is functionally associated with the facial nerve…
Correct answer: VII- A. it is unilateral
- B. occurs in bouts
- C. it is triggered by touching cheeks, mucosa etc
- D. it is of throbbing nature
Explanation: Trigeminal neuralgia produces brief, recurrent, electric-shock-like or stabbing attacks, usually on one side, triggered by light touch or…
Correct answer: it is of throbbing nature- A. Trigeminal neuralgia
- B. Multiple sclerosis
- C. Sarcoidosis
- D. Lupus erythematosis
Explanation: Fothergill's disease is the classic name for trigeminal neuralgia, which causes brief, severe, electric-shock-like facial pain along one…
Correct answer: Trigeminal neuralgia- A. Loss of taste sensation from Ant. 2/3 of tongue
- B. Paralysis of orbicularis oculi muscle
- C. Loss of innervation to stapedius
- D. Loss of lacrimal secretion
Explanation: At the stylomastoid foramen, the facial nerve has already given off the chorda tympani, nerve to stapedius, and greater petrosal nerve…
Correct answer: Paralysis of orbicularis oculi muscle- A. Stabbing type pain orginate in the tonsillar regions
- B. pain during mandibular movement
- C. Excessive lacrimation
- D. When the jaws are closed the pain subsided
Explanation: Eagle's syndrome usually causes stabbing pain in the tonsillar fossa or throat, worsened by swallowing or mandibular movement.
Correct answer: Excessive lacrimation- A. Carbamazipine
- B. Baclofen
- C. phenytoin sodium
- D. acetaminophen
Explanation: Carbamazepine is the classic first-line drug for trigeminal neuralgia, while phenytoin and baclofen may also help.
Correct answer: acetaminophen- A. Cluster headache
- B. Anaesthesia dolorosa
- C. Giant cell arteritis
- D. Chronic paroxysmal hemicrania
Explanation: Anaesthesia dolorosa is a deafferentation neuropathic pain syndrome that can follow injury to the trigeminal nerve, rather than a vascular…
Correct answer: Anaesthesia dolorosa- A. Morphine administration
- B. Aspirin administration
- C. Breathing oxygen
- D. Sublingual nitroglycerine administration
Explanation: A cluster headache attack can often be rapidly aborted with inhalation of high-flow 100% oxygen.
Correct answer: Breathing oxygen- A. Oral lichen planus
- B. Oral submucous fibrosis
- C. Aphthous stomatitis
- D. No detectable oral disease
Explanation: Burning mouth syndrome causes persistent burning or scalding discomfort despite a clinically normal-looking oral mucosa and no…
Correct answer: No detectable oral disease- A. Maily affects young females
- B. is caused by muscle fatigue due to chronic oral habits are grinding and clenching
- C. Treatment involves construction of occlusal guard and stress free emotional condition
- D. The perioral musculature becomes hypotonic
Explanation: Myofascial pain dysfunction syndrome is associated with muscle hyperactivity, fatigue and tenderness from clenching or grinding, so the…
Correct answer: The perioral musculature becomes hypotonic