MDS PREP
In Peutz-Jeghers syndrome, the oral lesions are
1. Ulcerations of oral mucosa
2. Sebaceous glands of oral mucosa
3. Silver pigmentation of oral mucosa
4. None of the above
Oral Pathology
Answer: 3
In Peutz-Jeghers syndrome, the oral lesions are characterized by silver pigmentation of the oral mucosa.
Letterer-Siwe disease is a disturbance of
1. Protein metabolism
2. Lipid metabolism
3. Mucopolysaccharide metabolism
4. Carbohydrate metabolism
Oral Pathology
Answer: 2
Letterer-Siwe disease is a disturbance of lipid metabolism.
Acrodermatitis enteropathica is due to deficiency of
1. Mercury
2. Zinc
3. Lead
4. Bismuth
Oral Pathology
Answer: 2
Acrodermatitis enteropathica is due to a deficiency of zinc.
Which of the following skin lesions are correctly matched with the
1. Erythema multiforme-Steven-Johnson syndrome
2. Recurrent apthous ulcer-Bechet"s syndrome
3. Lichen planus greenspan"s syndrome
4. All of the above
Oral Pathology
Answer: 4
Erythema multiforme - Steven-Johnson syndrome: Erythema
multiforme is a condition that can progress to Steven-Johnson syndrome
(SJS), which is a severe form of the disease characterized by extensive
mucosal involvement and skin detachment.
Recurrent aphthous ulcer - Behçet's syndrome: Behçet's
syndrome is an inflammatory condition that can present with recurrent oral
ulcers, including aphthous-like lesions, along with other systemic
manifestations.
Lichen planus - Grinspan's syndrome: Grinspan's
syndrome refers to a variant of lichen planus that is associated with
diabetes mellitus and can present with oral lesions.
X-rays are generated when a stream of electrons travelling from tungsten filament is suddenly stopped by its impact on the
1. Gruntled filament
2. Anodic tungsten target
3. Cathodic tungsten target
4. Molybdenum lining of anode
Oral Pathology
Answer: 2
X-rays are generated when a stream of electrons traveling from the tungsten filament is suddenly stopped by its impact on the anodic tungsten target.
Tetracycline stains appear as
1. Yellow and brown stains in enamel and dentin
2. Yellow and brown stains only in enamel
3. Yellow and brown stains only in dentin
4. Only yellow stain in enamel
Oral Pathology
Answer: 1
Tetracycline stains appear as yellow and brown stains in both enamel and dentin.
Lichenoid reactions are mainly due to
1. Intake of certain drugs
2. Betel nut chewing
3. Cigarette smoking
4. Intake of alcohol
Oral Pathology
Answer: 1
Lichenoid reactions are mainly due to the intake of certain drugs.
Cafe-au-lait spots are seen in
1. Paget"s disease of bone
2. Cherubism
3. Von Recklinghausen disease
4. Von Willebrand disease
Oral Pathology
Answer: 3
Cafe-au-lait spots are seen in Von Recklinghausen disease.