Oral Biology Test

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6 votes, 4.3 avg
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Oral Biology Test

 

1 / 60

iPSc were generated by:?

2 / 60

Chromatin immunoprecipitation (ChIP) is a type of immunoprecipitation experimental technique used to investigate the interaction between?

3 / 60

The main reason for formation of scale is due to detraction of connective tissue.?

4 / 60

One strategy to accomplish this goal is nuclear reprogramming, a technique that involves experimentally inducing a stable change in the nucleus of a mature cell that can then be maintained and replicated as the cell divides through mitosis. ?

5 / 60

What are the function of transcription factors?

6 / 60

Embryonic stem cells are derived from embryos at a developmental stage before the time that implantation would normally occur in?

7 / 60

Retroviruses used to deliver the four transcription factors in the earliest studies is safe to generating iPSCs.?

8 / 60

There are two major factors influence repair and regeneration?

9 / 60

Activation, or promotion – increase the rate of gene transcription?

10 / 60

What are the criteria for achieving to generate iPSc?

11 / 60

Upon introduction of reprogramming factors, cells begin to form colonies that resemble pluripotent stem cells, which can be isolated based on their:?

12 / 60

The inner cell mass cells have the potential to generate any cell type of the body, but after implantation, they are quickly depleted as they differentiate to other cell types with more limited developmental potential. ?

13 / 60

Repression, or suppression – decrease the rate of gene transcription?

14 / 60

Stem cell hierarchy from top to bottom?

15 / 60

Growth factors typically act as signalling molecules between cells. Examples are cytokines and hormones that bind to specific receptors on the cytoplasm of their target cells.?

16 / 60

ES will support clinical research on the differentiation and function of human tissues and provide material for testing that may improve the safety and efficacy of human drugs ?

17 / 60

Mesenchymal stem cells can be extracted from marrow and non-marrow.?

18 / 60

Cre-Lox recombination is a site-specific recombinase technology, used to carry out deletions, insertions, translocations and inversions at specific sites?

19 / 60

iPSc provided unlimited supplies of ________ cells could be used to generate transplants without the risk of immune rejection.?

20 / 60

When the first human iPSc were generated and published?

21 / 60

Periodontium which includes?

22 / 60

The medial pterygoid follows the same angle as masseter arising from the medial pterygoid plate, where does it attach on the mandible at:

23 / 60

The pH at which initiation of caries begins is:

24 / 60

The papillae that is projections on the tongue called:

25 / 60

Chewing sequence could be divided into:

26 / 60

The lateral spread of dental caries is facilitated mostly by the:

27 / 60

By the 6th week of tooth development, the oral epithelium is:

28 / 60

All of the structure is the tooth crown except:

29 / 60

All of the following is true of parotid glands, except:

30 / 60

Function of gingival cervicular fluid is:

31 / 60

Regarding deglutition:

32 / 60

The following organisms is found in deep carious lesions rather than in incipient lesions is:

33 / 60

Component of mastication are:

34 / 60

Primordium for the permanent dentition appears as an extension of dental lamina into the ectomesenchym at:

35 / 60

Streptococcus mutants is involved in dental caries initiation Other bacteria also involved is:

36 / 60

Taste buds contain:

37 / 60

One of the following indicates the major components of a tooth germ:

38 / 60

Fluorosis is caused by:

39 / 60

Bacteria responsible for initiation of caries is:

40 / 60

Concerning the palate, all of the following are true, except:

41 / 60

The down growth of an epithelial thickening buccal to the dental lamina is known as:

42 / 60

Second stage of deglutition is:

43 / 60

Dental lamina is formed when:

44 / 60

All of the following is a function of dental sac except:

45 / 60

Which minor salivary glands are purely serous:

46 / 60

The origin of enamel is:

47 / 60

Eruptive phase:

48 / 60

The ectomesenchymal cell condensation just beneath the enamel organ is called:

49 / 60

Concerning the tongue:

50 / 60

One of the following is true about ankylosis:

51 / 60

The apposition stage of tooth development begins:

52 / 60

The epithelial component of the tooth germ is known as:

53 / 60

The name of the second branchial arch is:

54 / 60

Enamel pearls occur in:

55 / 60

The dietary carbohydrate most likely involved in etiology of dental caries is:

56 / 60

All the statement about epithelial diaphragm except:

57 / 60

Active eruption of the tooth:

58 / 60

The following embryonic structures contribute to the formation of lower lip:

59 / 60

The Stomodeum is lined by:

60 / 60

Taste bud is:

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