MDS PREP
What is the role of intrinsic factor in vitamin B12 absorption?
1) It protects vitamin B12 from gastric digestion
2) It facilitates binding of vitamin B12 to intestinal receptors
3) It synthesizes vitamin B12 in the gastrointestinal tract
4) It increases the production of gastric acid
Intrinsic factor facilitates the binding of vitamin B12 to intestinal receptors, which is essential for its absorption in the ileum.
Filler used in composites is
1) Quartz
2) Colloidal silica
3) Aluminium
4) Glass
Conservative Dentistry
Answer: 2
Patient reports with severe throbbing pain in relation to mandibular second molar. The tooth is sensitive to both hot and cold food and elicits a painful response on percussion. What would be your treatment of choice?
1) Incision and drainage of periapical area
2) Endodontic therapy
3) Indirect pulp capping
4) Partial pulpectomy
Endodontics
Answer: 2
During the extraction of mandubular third molar it is noted that the distal root is missing. The root tip is most probably in the
1) Submental space
2) Submandibular space
3) Pterygomandibular space
4) Parapharyngeal space
Oral Surgery
Answer: 2
When an acrylic complete denture opposes natural dentition, the type of posterior teeth you would like to select
1. All acrylic
2. All porcelain
3. Acrylic with gold covering
4. Porcelain with gold covering
Prosthodontics
Answer: 3
Junctional epithelium is very susceptible to infection because
1) A tooth projects out from the oral cavity
2) Calcified tissue is attached to connective tissue
3) It has a high turnover rate of cells
4) None of the above
Periodontics
Answer: 3
Nephrotic syndrome is characterized by following manifestations except
1) Proteinuria
2) Hyperlipidaemia
3) Oedema
4) None of the above
General Medicine
Answer: 3
Nephrotic syndrome characteristically features proteinuria, hyperlipidemia, and edema; therefore, all three manifestations are characteristic, making option 4 correct.