MDS PREP
Which of the following is associated with a low concentration of ionized calcium in the serum?
1. Hypothyroidism
2. Osteogenesis imperfecta
3. Paget"s disease of the bone
4. Tetany
Oral Pathology
Answer: 4
Tetany is associated with a low concentration of ionized calcium in the serum.
Normal serum, Ca and alkaline PO4 are in
1. Cherubism
2. Hypothyroidism
3. Hyperparathyroidism
4. Paget"s disease
Oral Pathology
Answer: 1
Normal serum calcium and alkaline phosphatase levels are seen in cherubism.
Mean exposure at skin from an intraoral periapical radiographs
1. 300 mR
2. 0.03 mR
3. 47 mR
4. Both A and B
Oral Pathology
Answer: 4
Mean exposure at the skin from intraoral periapical radiographs is 0.03 mR.
Green stains which occur frequently in children are due to
1. Enamel deficiency
2. Dentin deficiency
3. Material alba
4. Chromogenic bacteria
Oral Pathology
Answer: 4
Green stains in children are often due to chromogenic bacteria.
Premature exfoliation of deciduous teeth is seen in
1. Hypophosphatasia
2. Hypophosphataemia
3. Hyperphosphtasia
4. Hyperparathyrroidism
Oral Pathology
Answer: 1
Premature exfoliation of deciduous teeth is seen in hypophosphatasia.
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.
Alkaline phosphatase increases in
1. Paget"s disease
2. Osteopetrosis
3. Fibrous dysplasia
4. Both A and D
Oral Pathology
Answer: 4
Alkaline phosphatase increases in both Paget's disease and fibrous dysplasia.
Delayed eruption of at least part of the dentition is a recognized feature of all of the following except
1. Rickets
2. Congenital hyperthyroidism
3. Cleidocranial dysplasia
4. Cherubism
Oral Pathology
Answer: 2
Congenital hyperthyroidism does not typically cause delayed eruption of teeth.