MDS PREP
Which of the following conditions can lead to bone demineralization?
1) Osteopetrosis
2) Hyperparathyroidism
3) Pseudohypoparathyroidism
4) All of the above
Hyperparathyroidism and pseudohypoparathyroidism can lead to bone demineralization, while osteopetrosis is characterized by increased bone density.
Precocious puberty is most characteristic of which of the following/
1. Jaffe"s syndrome
2. Monostotic fibrous dysplasia
3. Polyostotic fibrous dysplasia
4. Albright"s syndrome
Oral Pathology
Answer: 4
Precocious puberty is most characteristic of Albright's syndrome.
Bence Jones proteins are seen in
1. Uraemia
2. Diabetes mellitus
3. Polycythaemia vera
4. Mediterranean anaemia
Oral Pathology
Answer: 3
Bence Jones proteins are seen in multiple myeloma, not polycythemia vera.
The substance most commonly used for protection against X-ray radiations is
1. Zinc
2. Steel
3. Lead
4. Porcelain
Oral Pathology
Answer: 3
Lead is the most commonly used substance for protection against X-ray radiation.
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.
What of the following is characterized by left lower quadrant periumbilical pain in an elderly person, with the presence of fever, tender abdomen, leukocytosis, nausea, and vomiting?
1) Acute appendicitis
2) Diverticulitis
3) Gallstones
4) Pancreatitis
Diverticulitis is characterized by left lower quadrant pain, fever, and leukocytosis, especially in elderly patients.
All of the following are chromosomal breakage syndromes except:
1) Fanconi’s anemia
2) Ehler-Danlos syndrome
3) Bloom’s syndrome
4) Ataxia telangiectasia
General Pathology
Answer: 2
Ehler-Danlos syndrome is not a chromosomal breakage syndrome; it is a connective tissue disorder caused by defects in collagen synthesis.
Compound odontoma shows on a radiograph as
1) Supernumerary teeth
2) Radiolucent and radiopaque areas
3) Masses of calcified areas
4) Distinguishable tooth-like structures
Oral Pathology
Answer: 4
A compound odontoma is a benign odontogenic tumor consisting of enamel, dentin, cementum, and pulp arranged in recognizable tooth-like structures. Radiographically, it appears as multiple small, tooth-like radiopaque structures, unlike complex odontomas, which show as masses of calcified material.