MDS PREP
Trigeminal neuralgia ( tic doulourex ) is characterized by
1. Paralysis of one side of the face
2. Uncontrollable twitching of muscles
3. Sharp, excruciating pain of short duration
4. Prolonged episodes of pain on one side of the face
Oral Pathology
Answer: 3
Trigeminal neuralgia is a chronic pain
condition involving the trigeminal nerve, which supplies sensation to the face.
The hallmark symptom is sudden, severe, stabbing or electric-shock-like pain,
typically lasting for seconds to a few minutes. This pain is often triggered by
stimuli such as touching the face, chewing, or even speaking. Other options
(e.g., paralysis or prolonged episodes) do not describe this condition
accurately.
Oral manifestation of infectious mononucleosis is most commonly
1. Bluish red spots opposite maxillary molar
2. Pseudomembrane on gingival
3. Pinpoint petechiae on the palate
4. Gingival hyperplasia
Oral Pathology
Answer: 3
Pinpoint petechiae on the palate is the most common oral manifestation of infectious mononucleosis.
Clinical features of which of the following include conjunctivitis, urethritis mucocutaneous lesions and arthritis?
1. Behcet"s syndrome
2. Hodgkin"s disease
3. Grinspan syndrome
4. Ehlers-Danlos syndrome
Oral Pathology
Answer: 1
Behçet's syndrome is a systemic vasculitis characterized by recurrent oral and genital ulcers, uveitis (which can lead to conjunctivitis), skin lesions, and arthritis.
The following protein defects can cause hereditary spherocytosis except -
1) Ankyrin
2) Palladin
3) Glycophorin C
4) Anion transport protein
General Pathology
Answer: 3
Glycophorin C is not associated with hereditary spherocytosis; it is a sialoglycoprotein found in the red blood cell membrane, while ankyrin, palladin, and anion transport protein are involved in the structural integrity of the membrane.
What is the role of vitamin D in calcium metabolism?
1) Increases renal excretion of calcium
2) Decreases absorption of dietary calcium
3) Activates absorption of dietary calcium
4) Inhibits bone resorption
Vitamin D plays a crucial role in calcium metabolism by activating the absorption of dietary calcium in the intestines.
Tobacco usage has been associated with
1. Hyperkeratosis
2. Erythema
3. Ulceration
4. None of the above
Oral Pathology
Answer: 1
Tobacco use, particularly smoking, is known to cause various oral lesions, including hyperkeratosis, which is a thickening of the outer layer of the skin or mucous membranes. This can manifest as leukoplakia or other forms of keratosis in the oral cavity. While tobacco can also lead to erythema and ulceration, hyperkeratosis is the most directly associated condition.
Which of the following describes the condition characterized by acute arthritis, conjunctivitis, urethritis, and associated mucocutaneous lesions?
1) Gout
2) Lyme disease
3) Reiter's syndrome
4) Rheumatoid arthritis
Reiter's syndrome is characterized by the classic triad of acute arthritis, conjunctivitis, and urethritis, often following a genitourinary or gastrointestinal infection.
Badges should be worn by dental technician every
1. 1 month
2. 3 months
3. 6 months
4. 4 months
Oral Pathology
Answer: 1
Badges should be worn by dental technicians every 3 months to monitor radiation exposure.