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Pulp

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Alexandria university oral histology year 2
nur nabila hanapi
Quiz by nur nabila hanapi, updated more than 1 year ago
nur nabila hanapi
Created by nur nabila hanapi about 7 years ago
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Resource summary

Question 1

Question
What are the defense cells found in pulp?
Answer
  • T - lymphocytes
  • B - lymphocytes
  • Histiocytes
  • Rouget cells / pericytes
  • Dendritic antigen presenting cell
  • Mast cell

Question 2

Question
T lymphocytes increase when [blank_start]pulp is injured[blank_end]
Answer
  • pulp is injured

Question 3

Question
T lymphocytes are present in [blank_start]small numbers [blank_end]in normal dental pulp
Answer
  • small numbers
  • large numbers

Question 4

Question
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
Answer
  • small
  • large
  • large accentuated
  • small centered
  • cart wheel
  • narrow
  • thick

Question 5

Question
B lymphocytes are present in the normal pulp
Answer
  • True
  • False

Question 6

Question
Macrophages tend to be peripherally located in the pulp
Answer
  • True
  • False

Question 7

Question
Macrophages tend to be [blank_start]centrally[blank_end] located in the pulp
Answer
  • centrally
  • peripherally
  • distally
  • basally

Question 8

Question
What are the characteristics of histiocytes in dental pulp?
Answer
  • 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

Question 9

Question
Pulp macrophages are involved in the [blank_start]elimination of dead cells[blank_end]
Answer
  • elimination of dead cells

Question 10

Question
What is another name for pericytes?
Answer
  • Rouget cells
  • Fibroblast
  • Histiocytes
  • Undifferentiated ectomesenchymal cells

Question 11

Question
Rouget cells are [blank_start]contractile cells[blank_end] capable of [blank_start]reducing the size of the vessel lumen[blank_end]
Answer
  • contractile cells
  • formative cells
  • reducing the size of the vessel lumen
  • secreting ground substance

Question 12

Question
Characteristic of dendritic antigen presenting cells
Answer
  • 50microm long
  • 40microm long
  • Have 3 or more main dendritic processes that branch
  • Have 5 or more dendritic processes that branch

Question 13

Question
Like macrophages, dendritic antigen presenting cells are distributed largely around odontoblast and central blood vessels
Answer
  • True
  • False

Question 14

Question
Antigen dendritic cells are distributed largely around [blank_start]odontoblast[blank_end] and [blank_start]central blood vessels[blank_end]
Answer
  • odontoblast
  • central blood vessels

Question 15

Question
Dendritic antigen presenting cells are phagocytic and increase in number in carious teeth
Answer
  • True
  • False

Question 16

Question
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.
Answer
  • free
  • attached
  • embedded

Question 17

Question
Almost all denticles begin as free denticles.
Answer
  • True
  • False

Question 18

Question
A deep cavity preparation can be hazardous for a [blank_start]young[blank_end] person.
Answer
  • young
  • old

Question 19

Question
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.
Answer
  • smaller
  • larger
  • excessive
  • reduced
  • roof and floor
  • coronal part
  • apical part

Question 20

Question
What root should we advance towards when opening the chamber of a lower molar?
Answer
  • Distal root
  • Lingual root
  • Medial root

Question 21

Question
Which direction should when advance towards when opening pulp chamber in an upper molar?
Answer
  • Lingual root
  • Distal root
  • Buccal root

Question 22

Question
Accessory canals located near coronal part of root or in the bifurcation area a deep periodontal pocket may cause inflammation of the pulp
Answer
  • True
  • False

Question 23

Question
Exposed pulp can be preserved if proper [blank_start]pulp capping[blank_end] procedures are applied.
Answer
  • pulp capping

Question 24

Question
A non vital tooth becomes [blank_start]brittle[blank_end] and is subjected to [blank_start]fracture[blank_end].
Answer
  • brittle
  • fracture

Question 25

Question
Some material such as [blank_start]calcium hydroxide[blank_end] seem to facilitate dentin bridge formation.
Answer
  • calcium hydroxide
  • fluoride
  • hydrogen peroxide
  • sialoprotein

Question 26

Question
Biologically active molecules that have a direct affect on differentiation and activation of hard tissue forming cells
Answer
  • Bone morphogenetic protein
  • TGF - B
  • Components of dentin matrix
  • FGF - 8
  • SHH
  • TGF - A

Question 27

Question
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].
Answer
  • true denticles
  • false denticles
  • diffuse calcification

Question 28

Question
True denticles are common.
Answer
  • True
  • False

Question 29

Question
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].
Answer
  • dentin
  • enamel
  • dentinal tubules
  • hydroxyapatite crystals
  • odontoblastic processes
  • non-collagenous fibers

Question 30

Question
True denticles are usually located close to the coronal part.
Answer
  • True
  • False

Question 31

Question
True denticles is caused by .....
Answer
  • Inclusion of remnants of epithelial root sheath within the pulp
  • Remnants of necrotic and calcified cells
  • Calcification surrounding blood vessels

Question 32

Question
False denticles exhibit dentinal tubules
Answer
  • True
  • False

Question 33

Question
False denticles are...
Answer
  • Usually found in the pulp chamber
  • Often occur in groups
  • Usually located close to the apical foramen
  • Usually occur singularly

Question 34

Question
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].
Answer
  • irregular calcific spicules
  • collagenous fiber bundles
  • blood vessels

Question 35

Question
What is diffuse calcification surrounding blood vessels called?
Answer
  • Dystrophic calcification.
  • Dead tract
  • Sclerotic dentin
  • True denticle

Question 36

Question
Pulp stones are always asymptomatic.
Answer
  • True
  • False

Question 37

Question
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].
Answer
  • inductive
  • formative
  • nutritive
  • protective
  • reparative

Question 38

Question
What may lead to accumulation of excess fluid outside of capillaries?
Answer
  • Hyperemia
  • Edema
  • Inflammation
  • Cloudy swelling

Question 39

Question
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].
Answer
  • parietal layer of nerves
  • plexus of Rashkow

Question 40

Question
Nerves in the pulp remain myelinated through out their passage to terminate among odontoblast or adjacent to the odontoblast processes.
Answer
  • True
  • False
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