MDS PREP
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.
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.
A 50-year-old obese man complains of several recent abscesses in the gingival with loosening of teeth. He also suffers from itching of skin and polyuria. The most probable aetiology is
1. Scurvy
2. Myxoedema
3. Diabetes mellitus
4. Vitamin A deficiency
Oral Pathology
Answer: 3
The most probable etiology for the man’s symptoms is Diabetes mellitus, given the signs of abscesses and polyuria.
All of the following may occur in achondroplasia, except
1. Short and thickened muscular extremities
2. Dwarfism
3. The elbows often cannot be folded
4. Bowed legs and small hands
Oral Pathology
Answer: 3
In achondroplasia, the elbows often cannot be folded is not true; they can be folded.
The deficiency of which of the following vitamins does not affect tooth development
1. Vit A
2. Vit D
3. Vit C
4. Vit K
Oral Pathology
Answer: 4
Vitamin K deficiency does not affect tooth development.
When taking radiographs for children, exposure should be reduced by what percentage of that of adults?
1. 25 %
2. 50 %
3. 75 %
4. Same exposure
Oral Pathology
Answer: 2
Exposure for children should be reduced by 50% compared to adults.
Acanthosis is
1. Increase in mitotic division
2. Increase in thickness of superficial layer
3. Increase in thickness of spinous layer
4. Disruption of basal lamina
Oral Pathology
Answer: 3
Acanthosis refers to the hyperplasia or
thickening of the stratum spinosum layer of the epidermis or epithelium. It is
often seen in conditions such as psoriasis or lichen planus. This is distinct
from other phenomena like increased mitotic division or disruption of the basal
lamina.
A patient who has geen given tumoricidal dose of radiotherapy recently reports to dental clinic with painful carious exposed mandibular first molar with periapical abscess. The treatment of choice should be
1. Extraction of the offending tooth
2. Root canal treatment if possible
3. No treatment should be given
4. Incision and drainage of abscess
Oral Pathology
Answer: 2
Root canal treatment is the treatment of choice for a patient with a painful carious exposed mandibular first molar with periapical abscess.