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NEETMDS- mcq
MDS PREP
While taking impression of flabby fibrous tissue on maxillary ridge for complete denture care is taken to
1) Use a tray with spacer
2) Not maintain intimate contact with tissues
3) Use a close fitting tray
4) Follow normal procedures
Prosthodontics Answer: 1

Selective medium for streptococcus mutans?
1 mac conkey medium
2 mitis salivarius bacitracin agar
3 neutrient agar
4 tellurite medium
Microbiology Answer: 2

Colonies of E. coli serotype O157:H7 appear on Mac Conkey Sorbitol Agar as colourless colonies non-sorbitol fermenter. Others E. coli, sorbitol fermenters, give red colonies and gram-negative non-sorbitol fermenters appear translucent.

Select the false principal for DMF score
1) Last permanent molars are included in scoring
2) Naturally exfoliated teeth should not be taken into consideration
3) Both A and B
4) Endodontically treated tooth should be considered
Community Dentistry Answer: 4

Addition of carbon is contraindicated in which of the following investment materials :



1) Gypsum bonded

2) Silica bonded

3) Phosphate bonded

4) All


Dental Materials Answer: 3

Occurence of carbon contamination from investment can easily be observed in case casting temp. are high as seen in melting of high noble alloys for metal ceramic (eg. AgPd or Pd-Ag alloys) or base metal alloys.

Such contamination embrittles the alloy.

A White blood cell count of more than 1,00,000 cells/cc of blood indicates
1) Leukopenia
2) Leukocytosis
3) Leukaemia
4) Polycythaemia
Oral Pathology Answer: 3

A child in primary dentition period had thumb sucking habit. There is slight anterior open bite. Immediate treatment is
1) Fixed palatal crib
2) Removable habit breaking appliance
3) Myofunctional therapy
4) Periodic observation until permanent incisors develop
Orthodontics Answer: 4

First step in public health procedure is
1) Analysis of programme
2) Planning of programme
3) Situation analysis
4) Appraisal of programme
Community Dentistry Answer: 3

"Sign of compression" is characterstically seen in
1) Lipoma
2) Hernia
3) Vascular swelling
4) Sebaceous cyst
Oral medicine Answer: 3

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