5175359
Question 1
Question
Odontoblast orientation is such that the nuclei face the ameloblasts. The ER, mitochondria, and golgi point towards the pulp.
Answer
-
Both true
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True, false
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False, true
-
Both false
Question 2
Question
Cathepsin K becomes active at neutral pH. MMPs are active at pH 5
Answer
-
Both true
-
True, false
-
False, true
-
Both false
Question 3
Question
The majority of the dentin matrix is made from type III collagen. Mantle dentin is made from type I collagen
Answer
-
Both true
-
True, false
-
False, true
-
Both false
Question 4
Question
Von Korff fibers are seen within the predentin matrix. They will be mineralized via vesicles.
Answer
-
Both true
-
True, false
-
False, true
-
Both false
Question 5
Question
Globular dentin in seen as a reaction to injury or in rapid tooth formation. Linear dentin is formed more gradually
Answer
-
Both true
-
Both false
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True, false
-
False, true
Question 6
Question
Which of the following is true?
Answer
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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
Question 7
Question
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
Answer
-
Both true
-
True, false
-
False, true
-
Both false
Question 8
Question
Dead dentinal tracts come from...
Answer
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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
Question 9
Question
Dentin formed in response to injury resembles bone. Intertubular dentin generally tends to resemble trabecular bone
Answer
-
Both true
-
True, false
-
False, true
-
Both false
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