Oral Biology Test

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6 votes, 4.3 avg
169

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Oral Biology Test

 

1 / 60

The most pronounced effect on the oral microflora of a reduction in rate of salivary flow is a:

2 / 60

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

3 / 60

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

4 / 60

Chewing sequence could be divided into:

5 / 60

All the statement below is true about the classification of taste, except:

6 / 60

In human’s fertilization normally occurs in:

7 / 60

The taste sensations appear to be located from the parts of:

8 / 60

One of the following Which of induces the dental papilla cells to be differentiated into odontoblasts is:

9 / 60

The Hertwig epithelial root sheath of disintegrates:

10 / 60

Each taste bud consists of:

11 / 60

Initiation of caries by Streptococcus mutans is by the production of the:

12 / 60

Odontoblasts start their secretory activity:

13 / 60

In the post-eruptive phase, a tooth undergoes primarily:

14 / 60

Concerning teratogens and their effect on fetal development:

15 / 60

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

16 / 60

The three major salivary glands are:

17 / 60

Second stage of deglutition is:

18 / 60

The caries, all are true except:

19 / 60

The Hertwig epithelial root sheath can’t be seen as a continuous layer in the developing root because:

20 / 60

Oral foci of Miller’s are seen in:

21 / 60

Hertwig’s root sheath consists of:

22 / 60

First stage of deglutition is:

23 / 60

The number of permanent teeth is:

24 / 60

Actual eruptive movements of tooth occur mainly in a:

25 / 60

The statements about the branchial apparatus are true except:

26 / 60

If the process of morphogenesis is disturbed:

27 / 60

Cleft palate may result from all of the following except

28 / 60

The major component of dental plaque is:

29 / 60

All of the following does occur in the active phase of tooth eruption, except:

30 / 60

The dental lamina initiating the permanent molars develops:

31 / 60

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

32 / 60

The muscles of mastication are derived from:

33 / 60

One of muscles of mastication arise from the zygomatic arch and inserts on ramus of the mandible is:

34 / 60

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

35 / 60

The following induces the dental papilla cells to be differentiated into odontoblasts:

36 / 60

The occipital somite’s myotomes give rise to:

37 / 60

The tooth in permanent dentition is the most susceptible to dental caries is:

38 / 60

All of the muscles mastication is involved in closing the mandible except:

39 / 60

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

40 / 60

What is the outcome of repair?

41 / 60

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

42 / 60

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

43 / 60

What is the hierarchy of induced pluripotent stem cells?

44 / 60

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

45 / 60

Stem cell hierarchy from top to bottom?

46 / 60

Yamanaka’s factors were used to generating iPSc in 1st generation because:?

47 / 60

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

48 / 60

What is the hierarchy of embryonic stem cells?

49 / 60

Growth factor responsible for repair and regeneration: VEGF, Vascular endothelial growth factor?

50 / 60

What is the biggest conflict of using induced pluri-potent stem cells?

51 / 60

Growth factors and their receptors can be grouped into β€˜families,’ based upon shared features of size and location, and into β€˜superfamilies,’ based upon shared their functions.?

52 / 60

Who are/ is the pioneer of generating iPSc?

53 / 60

Yamanaka’s factors were chosen because they were known to be involved in the maintenance of pluripotency, which is the capability to generate all other cell types of the body.?

54 / 60

When the first human iPSc were generated and published?

55 / 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). ?

56 / 60

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

57 / 60

Morphology of mesenchymal stem cells ?

58 / 60

When the first mouse iPSc were generated and published?

59 / 60

What is the biggest conflict of using embryonic stem cells?

60 / 60

Non-marrow origin mesenchymal stem cells EXCLUDE ?

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