5175359
Questão 1
Questão
Odontoblast orientation is such that the nuclei face the ameloblasts. The ER, mitochondria, and golgi point towards the pulp.
Responda
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Both true
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True, false
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False, true
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Both false
Questão 2
Questão
Cathepsin K becomes active at neutral pH. MMPs are active at pH 5
Responda
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Both true
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True, false
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False, true
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Both false
Questão 3
Questão
The majority of the dentin matrix is made from type III collagen. Mantle dentin is made from type I collagen
Responda
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Both true
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True, false
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False, true
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Both false
Questão 4
Questão
Von Korff fibers are seen within the predentin matrix. They will be mineralized via vesicles.
Responda
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Both true
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True, false
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False, true
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Both false
Questão 5
Questão
Globular dentin in seen as a reaction to injury or in rapid tooth formation. Linear dentin is formed more gradually
Responda
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Both true
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Both false
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True, false
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False, true
Questão 6
Questão
Which of the following is true?
Responda
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DPP is acidic and initiates mineralization
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DSP inhibits mineralization
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DGP inhibits mineralization, found at C-terminal
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DPP, DSP
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All of the above
Questão 7
Questão
Proteases can be found in dentin matrix, cementum, and bone. Non-collagen proteins are not characteristic of dentin itself although they stimulate tertiary dentin formation
Responda
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Both true
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True, false
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False, true
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Both false
Questão 8
Questão
Dead dentinal tracts come from...
Responda
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tooth decay
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trauma
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dead odontoblast
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decay and odontoblast only
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all of the above
Questão 9
Questão
Dentin formed in response to injury resembles bone. Intertubular dentin generally tends to resemble trabecular bone
Responda
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Both true
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True, false
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False, true
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Both false
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