Question: Biochemical abnormality associated with osteogenesis imperfecta is increase in______________?

• 1. Alkaline phosphatase
• 2. Acid phosphatase
• 3. Bicarbonate ion
• 4. Phosphorylase enzyme

Question: Of the following which is most common disorder causing pain about the masticatory apparatus including the TMJ_____________?

• 1. Traumatic arthritis
• 2. Trigeminal neuralgia
• 3. Myofacial pain dysfunction syndrome
• 4. Degenerative arthritis

Question: Complication of Rheumatoid arthritis of condyle is______________?

• 1. Fibrous ankylosis
• 2. Subluxation
• 3. Dislocation
• 4. None of the above

Question: Alkaline phosphatase increases in_____________?

• 1. Pagets disease
• 2. Osteopetrosis
• 3. Fibrous dysplasia
• 4. A and C

Question: The most common cause of TMJ ankylosis is______________?

• 1. Trauma
• 2. Osteoarthritis
• 3. Childhood illness
• 4. Rheumatoid arthritis

Question: Down’s syndrome is associated with all except__________________?

• 1. Retrognathia
• 2. Periodontal disease
• 3. Premature loss off deciduous teeth
• 4. Delayed eruption of deciduous teeth

Question: The primary causative factor for myofacial pain dysfunction syndrome of the TMJ is_______________?

• 1. Infratemporal space infection
• 2. Auriculotemporal neuritis
• 3. Muscular overextension and over contraction
• 4. Otitis media

Question: A 3-year old patient reports of painless progressive bilateral facial swellings. The tentative diagnosis is______________?

• 1. Cherubism
• 2. Monostotic fibrous dysplasia
• 3. Ployostotic fibrous dysplasia
• 4. Central giant cell granuloma

Question: Clavicle is absent is______________?

• 1. Osteogenesis imperfecta
• 2. Cleidocranial dysostosis
• 3. Fibrous dysplasia
• 4. Osteopetrosis

Question: In a middle – aged man the radiograph shows cotton-wool appearance and blood investigation reveal an elevated alkaline phosphatase levels. The tentative diagnosis is____________?

• 1. Paget’s disease
• 2. Cherubism
• 3. Fibrous dysplasia
• 4. Osteogenesis imperfecta