MDS PREP
The structure of protein least affected by radiation is
1. Primary structure
2. Secondary structure
3. Tertiary structure
4. Quarternary structure
Radiology
Answer: 1
A patient who has geen given tumoricidal dose of radiotherapy recently reports to dental clinic with painful carious exposed mandibular first molar with periapical abscess. The treatment of choice should be
1) Extraction of the offending tooth
2) Root canal treatment if possible
3) No treatment should be given
4) Incision and drainage of abscess
Radiology
Answer: 2
A consistant radiographic feature in Page"s disease is
1) Hypercementosis of tooth
2) Widened periodontal ligament
3) Loss of normal trabecular pattern of bone
4) Root resorption
Radiology
Answer: 1
Occluded submandibular salivary duct can be best observed by
1) Palpation
2) Sialography
3) Occlusal X-ray
4) Thermography
Radiology
Answer: 2
The substance most commonly used for protection against X-ray radiations is
1) Zinc
2) Steel
3) Lead
4) Porcelain
Radiology
Answer: 3
Which of the following is/are Secreted by macrophages?
1, Coagulation proteins V. VII. IX, X/ plasmin
2. Cytokines IL-I C. Growth factor
4. All of the above