Oral Biology Test

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Oral Biology Test

 

1 / 60

The dental sac gives rise to:

2 / 60

The little bumps can see on someone’s tongue are:

3 / 60

Oral foci of Miller’s are seen in:

4 / 60

After fertilization of ovum series of cell division give rise to an egg cell mass called:

5 / 60

Chemico-parasitic theory of dental caries is proposed by:

6 / 60

Appositional stage is confined to:

7 / 60

Turbid dentin in carious tooth is all except:

8 / 60

Secondary palate is:

1st branchial arch

9 / 60

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

10 / 60

The papillae that is projections on the tongue called:

11 / 60

The muscles are derived from the first brachial arch:

12 / 60

Minor salivary glands are found throughout the mouth:

13 / 60

Second stage of deglutition is:

14 / 60

Concrescence usually occurs with:

15 / 60

Taste bud is:

16 / 60

The term for a fertilized egg from conception until the end of two months development:

17 / 60

Another term for the deglutition of food is:

18 / 60

An oblique facial cleft is the result of:

19 / 60

One group of structures is entirely derived from the dental sac:

20 / 60

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

21 / 60

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

22 / 60

A unilateral cleft lip is formed when:

23 / 60

Concrescence is:

24 / 60

Cavity formation in a tooth, due to dental caries is due to:

25 / 60

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

26 / 60

The enamel organ:

27 / 60

The dental lamina initiating the permanent molars develops:

28 / 60

One of the following causes the discolorations of teeth is:

29 / 60

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

30 / 60

A layer of cells that seems to be essential to enamel formation but do actually secrete the enamel except:

31 / 60

Passive eruption is:

32 / 60

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

33 / 60

When a tooth first erupts into the oral cavity, the attachment epithelial cuff of epithelium derived from:

34 / 60

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

35 / 60

Deglutition problem can lead to:

36 / 60

Chewing sequence could be divided into:

37 / 60

Shedding is predominantly the:

38 / 60

The cranial nerve supplies to muscles of mastication is:

39 / 60

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

40 / 60

All of the following is the ectodermal in origin, except:

41 / 60

Function of gingival cervicular fluid is:

42 / 60

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

43 / 60

Transcription factor is a protein that controls the rate of transcription of genetic information from messenger RNA to DNA, by binding to a specific ribosomes.?

44 / 60

Growth factor responsible for repair and regeneration: KGF, Keratinocyte growth factor?

45 / 60

What do Growth Factors Do?

46 / 60

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

47 / 60

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

48 / 60

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

49 / 60

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

50 / 60

Some important human diseases are caused by the death or dysfunction of one or a few cell types, e.g., insulin-producing cells in diabetes or dopaminergic neurons in Parkinson’s disease. Therefore, understanding and using stem cells as tool to study this disease model provide a better understand this dysfunction of cell types.?

51 / 60

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

52 / 60

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

53 / 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. ?

54 / 60

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

55 / 60

The first differentiation event in humans occurs at approximately —— days of development, when an outer layer of cells committed to becoming part of the placenta (the trophectoderm) separates from the inner cell mass (ICM). ?

56 / 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.?

57 / 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). ?

58 / 60

Morphology of mesenchymal stem cells ?

59 / 60

Non-marrow origin mesenchymal stem cells EXCLUDE ?

60 / 60

What is the outcome of regeneration?

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