MDS PREP
Multinucleated giant cell and perivascular cuffing are features seen in
1. Giant cell granuloma
2. Cherubism
3. Tuberculosis
4. Giant cell tumour
Oral Pathology
Answer: 2
Multinucleated giant cells and perivascular cuffing are features seen in cherubism.
TSC1 gene plays a vital role in the pathogenesis of a neurocutaneous syndrome called Tuberous sclerosis. It is located on which chromosome?
1) Chromosome 16
2) Chromosome 9
3) Chromosome 4
4) Chromosome 3
General Pathology Answer: 2The TSC1 gene, which plays a role in Tuberous sclerosis, is located on chromosome 9.
What is the typical clinical course of subacute granulomatous thyroiditis?
1) Spontaneous hyperthyroidism followed by hypothyroidism
2) Gradual painless enlargement of the thyroid
3) Sudden painful enlargement of the thyroid with hyperthyroidism that lasts for 6-8 weeks
4) Chronic hyperthyroidism with no pain or enlargement of the thyroid
Sudden painful enlargement of the thyroid with hyperthyroidism that lasts for 6-8 weeks is the typical clinical course of subacute granulomatous thyroiditis.
An abnormal resorption pattern in primary teeth, delayed eruption of permanent teeth and a large tongue are the features of
1. Addison"s disease
2. Hypothyroidism
3. Hyperthyroidism
4. Von-Recklinghausen disease
Oral Pathology
Answer: 2
Hypothyroidism is characterized by abnormal resorption patterns in primary teeth and delayed eruption of permanent teeth.
Vitamin "D" deficiency causes
1. Widening of predentin
2. Defective calcification
3. Microdontia
4. Interglobular dentin formation
Oral Pathology
Answer: 1
Vitamin D deficiency causes widening of predentin due to defective calcification.
The commonest opportunistic infection in AIDS cases in India
1) Pneumocystic carinii
2) Cryptococcal meningitis
3) Toxoplasmosis
4) Tuberculosis
Oral Pathology
Answer: 1
Explanation: A compound odontoma is a type of odontogenic tumor that consists of multiple small tooth-like structures (denticles) and resembles the anatomy of normal teeth. In contrast, a complex odontoma has a more disorganized structure and does not resemble normal teeth.
The epithelium which covers a healed ulcer is derived from
1. undifferentiated mesenchymal cells of the ulcer
2. intact epithelium at the ulcer margin
3. transformation of fibroblasts to epithelial cells
4. endothelial cells via the blood stream
Oral Pathology Answer: 2
The epithelium which covers a healed ulcer is derived from intact epithelium at the ulcer margin
In the lipooxygenase pathway of the arachidonic acid metabolism, which of the following products helps to promote platelet aggregation and vasoconstriction?
1) C5a
2) Thromboxane A2
3) Leukotriene B4
4) C1 activators
General Pathology
Answer: 2
Thromboxane A2, produced in the lipooxygenase pathway, promotes platelet aggregation and vasoconstriction, playing a key role in hemostasis.