Oral Biology Test

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Oral Biology Test

 

1 / 60

Growth factor is sometimes used interchangeably among scientists with the term?

2 / 60

What are the 4 steps of responses of mucosa to damage?

3 / 60

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

4 / 60

In transcription an mRNA chain is generated, with both strands of the DNA double helix in the genome as a template.?

5 / 60

A protein that works with transcription factors to increase the rate of gene transcription?

6 / 60

The biggest different of outcome between repair and regeneration on tissue is tissue scaring.?

 

7 / 60

In our blood, there is a small amount of stem cells which are ready to be differentiate to any cell type under the control of growth factors.?

8 / 60

In the future, possible dentist can use dental pulp stem cells, 3rd mandibular molar, in cell bank due to their pluri-potent.?

9 / 60

iPSCs were reprogrammed to an embryonic stem cell-like state by introducing genes important for maintaining the essential properties of embryonic stem cells (ESCs). ?

10 / 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.?

11 / 60

Why transcription factors is the most import key to generate iPSc, cell reprogramming?

12 / 60

What is the outcome of repair?

13 / 60

There are two major factors influence repair and regeneration?

14 / 60

Periodontium which includes?

15 / 60

What are the gold standard transcription factors using for generating iPSc?

16 / 60

What is Yamanaka’s factors?

17 / 60

Mesenchymal stem cells have been confirmed able to differentiated into neuron cell with function?

18 / 60

A,growth factor is a naturally occurring substance capable of stimulating cellular growth, proliferation, healing, and cellular differentiation. Usually it is a protein or a steroid hormone.?

19 / 60

A specific sequence of DNA that a transcription factor binds to?

20 / 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. ?

21 / 60

The following are all derived from the stomodeal ectoderm such as:

22 / 60

The epithelial component of the tooth germ is known as:

23 / 60

The region where the inner and outer enamel epithelium meets at the rim of the enamel organ is known as:

24 / 60

Miller put forth the acidogenic theory of dental caries in the year:

25 / 60

The name of the first branchial arch is:

26 / 60

The muscles are derived from the first brachial arch:

27 / 60

Which minor salivary glands are purely serous:

28 / 60

During the pre-eruptive phase of tooth eruption:

29 / 60

Component of mastication are:

30 / 60

Taste Bud major types Cells:

31 / 60

Cleft palate may result from all of the following except

32 / 60

One of the following causes the discolorations of teeth is:

33 / 60

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

34 / 60

A unilateral cleft lip is formed when:

35 / 60

The origin of enamel is:

36 / 60

Function of gingival cervicular fluid is:

37 / 60

Concerning teratogens and their effect on fetal development:

38 / 60

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

39 / 60

In humans, which branchial arch rudimentary is:

40 / 60

The vestibular lamina gives rise to:

41 / 60

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

42 / 60

All of the structure is the tooth crown except:

43 / 60

The mesenchymal cells lying adjacent to the inner enamel epithelium:

44 / 60

Streptococcus mutans is considered to be a principal etiologic agent of caries because it produces acid and it:

45 / 60

Oral foci of Miller’s are seen in:

46 / 60

Dental follicle cells:

47 / 60

All of the following is a bout of Hertwig’s epithelial root sheath except:

48 / 60

The dental sac plays an important role in the formation of all of the following except:

49 / 60

The tooth germ is composed of:

50 / 60

One of the following occurs during the pre-eruptive phase of a tooth:

51 / 60

The last hard dental tissue to be deposited is:

52 / 60

Chemico-parasitic theory of dental caries is proposed by:

53 / 60

Secondary palate is:

1st branchial arch

54 / 60

An oblique facial cleft is the result of:

55 / 60

The cap stage occurs between the:

56 / 60

The number of permanent teeth is:

57 / 60

Concerning the tongue:

58 / 60

Calcified tissues of the tooth are derived from:

59 / 60

All of the following is a part of the tooth germ except:

60 / 60

Concerning cleft lips and cleft palates:

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