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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234 questions · page 4 of 12

  • 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