MDS PREP
When using nitrous oxide as a general anesthetic agent, what is the lowest acceptable concentration of oxygen?
1. 90%
2. 5%
3. 80%
4. 20%
Oral Surgery
Answer: 4
Small irregular bright red spots on a child"s bucca mucosa with white specks in centre may indicate the onset of
1) Mumps
2) Rubeola
3) Rubella
4) Herpes
Pedodontics
Answer: 2
The bacteria responsible for causing nursing bottle caries are
1) Lactobacillus only
2) Streptococcus and Lactobacillus
3) Streptococcus, Lactobacillus and Veillonella
4) None of the above
Pedodontics
Answer: 3
During extractions of maxillary second molar 0.5 mm perforation is created in maxillary sinus. The appropriate treatment would be to
1. Perform-Caldwell-Luc procedure
2. Smoothen the bone and place suture across socket
3. No treatment necessary
4. None of the above
Oral Surgery
Answer: 3
Hypochlorite does not cause
1) Bleaching
2) Remove smear layer
3) Lubricating
4) Flush out debris
Endodontics
Answer: 2
Stippling is seen on
1) Marginal gingiva
2) Attached gingiva
3) Interdental gingiva
4) None of the above
Periodontics
Answer: 2
Stippling is typically observed on the attached gingiva, indicating healthy
tissue.
Anitschow"s cells are found in histological sections of
1) Pemphigus
2) Aphthous ulcer
3) Leukoplakia
4) Lichen planus
Oral Pathology
Answer: 2
Anitschow's cells, also known as "caterpillar cells," are a type of histiocyte that can be found in the context of certain inflammatory conditions, including aphthous ulcers. These cells are indicative of a specific immune response and are often associated with the healing process of these painful oral lesions.