Oral Biology Test

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

The occipital somite’s myotomes give rise to:

The three major salivary glands are:

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

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

Odontogenesis of the primary dentition begins between:

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

Caries associated with pre-eruptive enamel hypoplasia:

Four basic qualities:

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

The mesenchymal cells lying adjacent to the inner enamel epithelium:

In humans, which branchial arch rudimentary is:

The statements about the branchial apparatus are true except:

The stratum intermedium:

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

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

An oblique facial cleft is formed when the:

The palate is derived from three primordia:

Calcified tissues of the tooth are derived from:

Supernumerary roots occur mainly with:

Minor salivary glands are found throughout the mouth:

Advanced bell stage of tooth development refers to:

Shedding is predominantly the:

The nerve of the third branchial arch is:

Secondary palate is:

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

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

One of the following is important for the development of teeth is:

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

One of the following does contribute to the formation of the upper lip:

Passive eruption is:

Deglutition is the complex process that:

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

During the pre-eruptive phase of tooth eruption:

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

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

No basal lamina is found between the cells of the:

What is the biggest conflict of using embryonic stem cells?

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

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. ?

iPSc were generated by:?

All four factors are absolutely necessary. In particular, the gene c-Myc is known to promote tumor growth in some cases, which would not affect iPSC usefulness in transplantation therapies. ?

What are the criteria for achieving to generate iPSc?

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

What is the biggest conflict of using mesenchymal stem cells?

The biggest concern of using iPSc as a regenerative tool is the possible of cancer provoke due to infection of transcription factors.?

Growth factors and their receptors can be grouped into ‘families,’ based upon shared features of ?

The disadvantage of mesenchymal stem cells is that this stem cells are heterogenous in nature which hard to purify.?

What is the outcome of repair?

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.?

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). ?

Periodontium which includes?

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

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

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

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

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

Transcription can be divided into 3 stages: initiation, elongation, and termination, each regulated by a large number of proteins such as transcription factors?

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