MDS PREP
Pink"s disease is due to
1. Toxicity of silver
2. Toxicity of mercury
3. Toxicity of lead
4. Toxicity of tetracycline
Oral Pathology
Answer: 2
Pink's disease is due to the toxicity of mercury.
Progenitor hematopoietic stem cells originate in -
1) Bone Marrow
2) Thymus
3) Lymph node
4) Spleen
General Pathology
Answer: 1
Progenitor hematopoietic stem cells originate in the bone marrow, where they differentiate into various blood cell lineages.
Attrition is
1. The loss by wear of tooth substance resulting from tooth brushing
2. The loss by wear of tooth substance resulting from mastication and bruxism
3. Both of the above
4. None of the above
Oral Pathology
Answer: 2
Attrition is the loss of tooth substance resulting from mastication and bruxism.
Radiation-induced thyroid cancer is the result of which type of radiation
1. Somatic
2. Genetic
3. Teratogenic
4. All of the above
Oral Pathology
Answer: 1
Radiation-induced thyroid cancer is the result of somatic radiation.
Biochemical abnormality associated with osteogenesis imperfecta is increase in
1. Alkaline phosphatase
2. Acid phosphatase
3. Bicarbonate ion
4. Phosphorylase enzyme
The biochemical abnormality associated with osteogenesis imperfecta is an increase in acid phosphatase.
Dinesh, a 24-year-old male, complains of loose teeth in a single quadrant. His radiograph shows irregular bone loss and histopathology reveals eosinophils and histiocytes. The most probable diagnosis is
1. Hand-Schuller-Christian disease
2. Paget"s disease
3. Osteoclastoma
4. Albright"s syndrome
Oral Pathology
Answer: 1
The most probable diagnosis for irregular bone loss and eosinophils is Hand-Schuller-Christian disease.
The mode of inheritance of multilocular cystic fibrous dysplasia of the jaws and face is
1. Dominant
2. Recessive
3. Sex-linked
4. Intermediate sex-linked
Oral Pathology
Answer: 1
The mode of inheritance of multilocular cystic fibrous dysplasia is dominant.
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.