11470313
Descripción
Test por nur nabila hanapi, actualizado hace más de 1 año
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Creado por nur nabila hanapi
hace más de 6 años
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Pregunta 1
Pregunta
What are the defense cells found in pulp?
Respuesta
-
T - lymphocytes
-
B - lymphocytes
-
Histiocytes
-
Rouget cells / pericytes
-
Dendritic antigen presenting cell
-
Mast cell
Pregunta 2
Pregunta
T lymphocytes increase when [blank_start]pulp is injured[blank_end]
Respuesta
-
pulp is injured
Pregunta 3
Pregunta
T lymphocytes are present in [blank_start]small numbers [blank_end]in normal dental pulp
Respuesta
-
small numbers
-
large numbers
Pregunta 4
Pregunta
T lymphocytes is a [blank_start]small [blank_end]cell with [blank_start]large accentuated[blank_end] nucleus and [blank_start]narrow[blank_end] rim of cytoplasm
Respuesta
-
small
-
large
-
large accentuated
-
small centered
-
cart wheel
-
narrow
-
thick
Pregunta 5
Pregunta
B lymphocytes are present in the normal pulp
Respuesta
- True
- False
Pregunta 6
Pregunta
Macrophages tend to be peripherally located in the pulp
Respuesta
- True
- False
Pregunta 7
Pregunta
Macrophages tend to be [blank_start]centrally[blank_end] located in the pulp
Respuesta
-
centrally
-
peripherally
-
distally
-
basally
Pregunta 8
Pregunta
What are the characteristics of histiocytes in dental pulp?
Respuesta
-
Large irregular cells
-
Small irregular cells
-
Large regular cells
-
Long sharp processes
-
Short blunt processes
-
Dark staining nucleus
-
Pale nucleus
-
Clear areas in cytoplasm
-
Dark granules scattered in cytoplasm
-
Large lysosomes
Pregunta 9
Pregunta
Pulp macrophages are involved in the [blank_start]elimination of dead cells[blank_end]
Respuesta
-
elimination of dead cells
Pregunta 10
Pregunta
What is another name for pericytes?
Respuesta
-
Rouget cells
-
Fibroblast
-
Histiocytes
-
Undifferentiated ectomesenchymal cells
Pregunta 11
Pregunta
Rouget cells are [blank_start]contractile cells[blank_end] capable of [blank_start]reducing the size of the vessel lumen[blank_end]
Respuesta
-
contractile cells
-
formative cells
-
reducing the size of the vessel lumen
-
secreting ground substance
Pregunta 12
Pregunta
Characteristic of dendritic antigen presenting cells
Respuesta
-
50microm long
-
40microm long
-
Have 3 or more main dendritic processes that branch
-
Have 5 or more dendritic processes that branch
Pregunta 13
Pregunta
Like macrophages, dendritic antigen presenting cells are distributed largely around odontoblast and central blood vessels
Respuesta
- True
- False
Pregunta 14
Pregunta
Antigen dendritic cells are distributed largely around [blank_start]odontoblast[blank_end] and [blank_start]central blood vessels[blank_end]
Respuesta
-
odontoblast
-
central blood vessels
Pregunta 15
Pregunta
Dendritic antigen presenting cells are phagocytic and increase in number in carious teeth
Respuesta
- True
- False
Pregunta 16
Pregunta
According to relation to dentin: pulp stones are classified into: [blank_start]free[blank_end], [blank_start]attached[blank_end] and [blank_start]embedded[blank_end] denticles.
Respuesta
-
free
-
attached
-
embedded
Pregunta 17
Pregunta
Almost all denticles begin as free denticles.
Respuesta
- True
- False
Pregunta 18
Pregunta
A deep cavity preparation can be hazardous for a [blank_start]young[blank_end] person.
Respuesta
-
young
-
old
Pregunta 19
Pregunta
As age increase, pulp chamber becomes [blank_start]smaller[blank_end] due to [blank_start]excessive[blank_end] dentin formation at the [blank_start]roof and floor[blank_end] of pulp chamber.
Respuesta
-
smaller
-
larger
-
excessive
-
reduced
-
roof and floor
-
coronal part
-
apical part
Pregunta 20
Pregunta
What root should we advance towards when opening the chamber of a lower molar?
Respuesta
-
Distal root
-
Lingual root
-
Medial root
Pregunta 21
Pregunta
Which direction should when advance towards when opening pulp chamber in an upper molar?
Respuesta
-
Lingual root
-
Distal root
-
Buccal root
Pregunta 22
Pregunta
Accessory canals located near coronal part of root or in the bifurcation area a deep periodontal pocket may cause inflammation of the pulp
Respuesta
- True
- False
Pregunta 23
Pregunta
Exposed pulp can be preserved if proper [blank_start]pulp capping[blank_end] procedures are applied.
Respuesta
-
pulp capping
Pregunta 24
Pregunta
A non vital tooth becomes [blank_start]brittle[blank_end] and is subjected to [blank_start]fracture[blank_end].
Respuesta
-
brittle
-
fracture
Pregunta 25
Pregunta
Some material such as [blank_start]calcium hydroxide[blank_end] seem to facilitate dentin bridge formation.
Respuesta
-
calcium hydroxide
-
fluoride
-
hydrogen peroxide
-
sialoprotein
Pregunta 26
Pregunta
Biologically active molecules that have a direct affect on differentiation and activation of hard tissue forming cells
Respuesta
-
Bone morphogenetic protein
-
TGF - B
-
Components of dentin matrix
-
FGF - 8
-
SHH
-
TGF - A
Pregunta 27
Pregunta
According to structure: pulp stones are classified into: [blank_start]true denticles[blank_end], [blank_start]false denticles[blank_end] and [blank_start]diffuse calcification[blank_end].
Respuesta
-
true denticles
-
false denticles
-
diffuse calcification
Pregunta 28
Pregunta
True denticles are common.
Respuesta
- True
- False
Pregunta 29
Pregunta
True denticles are similar in structure to [blank_start]dentin[blank_end], containing, [blank_start]dentinal tubules[blank_end] and [blank_start]odontoblastic processes[blank_end].
Respuesta
-
dentin
-
enamel
-
dentinal tubules
-
hydroxyapatite crystals
-
odontoblastic processes
-
non-collagenous fibers
Pregunta 30
Pregunta
True denticles are usually located close to the coronal part.
Respuesta
- True
- False
Pregunta 31
Pregunta
True denticles is caused by .....
Respuesta
-
Inclusion of remnants of epithelial root sheath within the pulp
-
Remnants of necrotic and calcified cells
-
Calcification surrounding blood vessels
Pregunta 32
Pregunta
False denticles exhibit dentinal tubules
Respuesta
- True
- False
Pregunta 33
Pregunta
False denticles are...
Respuesta
-
Usually found in the pulp chamber
-
Often occur in groups
-
Usually located close to the apical foramen
-
Usually occur singularly
Pregunta 34
Pregunta
Diffuse calcification appear as [blank_start]irregular calcific spicules[blank_end] in pulp tissue usually following [blank_start]collagenous fiber bundles[blank_end] or [blank_start]blood vessels[blank_end].
Respuesta
-
irregular calcific spicules
-
collagenous fiber bundles
-
blood vessels
Pregunta 35
Pregunta
What is diffuse calcification surrounding blood vessels called?
Respuesta
-
Dystrophic calcification.
-
Dead tract
-
Sclerotic dentin
-
True denticle
Pregunta 36
Pregunta
Pulp stones are always asymptomatic.
Respuesta
- True
- False
Pregunta 37
Pregunta
The functions of the pulp are: [blank_start]inductive[blank_end], [blank_start]formative[blank_end], [blank_start]nutritive[blank_end], [blank_start]protective[blank_end] and [blank_start]reparative[blank_end].
Respuesta
-
inductive
-
formative
-
nutritive
-
protective
-
reparative
Pregunta 38
Pregunta
What may lead to accumulation of excess fluid outside of capillaries?
Respuesta
-
Hyperemia
-
Edema
-
Inflammation
-
Cloudy swelling
Pregunta 39
Pregunta
The extensive plexus adjacent to the cell rich zone is called the [blank_start]parietal layer of nerves[blank_end] or [blank_start]plexus of Rashkow[blank_end].
Respuesta
-
parietal layer of nerves
-
plexus of Rashkow
Pregunta 40
Pregunta
Nerves in the pulp remain myelinated through out their passage to terminate among odontoblast or adjacent to the odontoblast processes.
Respuesta
- True
- False
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