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OB % composition quiz

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Percentage composition quiz

Question 1 of 15

1

What is the approximate percentage composition of organic matrix in secretory stage enamel?

Select one of the following:

  • 37%

  • 44%

  • 96%

Explanation

Question 2 of 15

1

What is the approximate percentage composition of inorganic matrix in secretory stage enamel?

Select one of the following:

  • 19%

  • 96%

  • 37%

Explanation

Question 3 of 15

1

What is the approximate percentage composition of water in secretory stage enamel?

Select one of the following:

  • 44%

  • 37%

  • 96%

Explanation

Question 4 of 15

1

What is the approximate percentage composition of organic matrix in maturation stage enamel?

Select one of the following:

  • 0.1%

  • 19%

  • 3.9%

Explanation

Question 5 of 15

1

What is the approximate percentage composition of inorganic matrix in maturation stage enamel?

Select one of the following:

  • 96%

  • 19%

  • 3.9%

Explanation

Question 6 of 15

1

What is the approximate percentage composition of water in maturation stage enamel?

Select one of the following:

  • 3.9%

  • 25%

  • 0.1%

Explanation

Question 7 of 15

1

What is the approximate percentage composition of organic matrix in bone?

Select one of the following:

  • 25%

  • 60%

  • 10%

Explanation

Question 8 of 15

1

What is the approximate percentage composition of inorganic matrix in bone?

Select one of the following:

  • 60%

  • 20%

  • 10%

Explanation

Question 9 of 15

1

What is the approximate percentage composition of water in bone?

Select one of the following:

  • 15%

  • 25%

  • 80%

Explanation

Question 10 of 15

1

What percentage type 1 collagen is found in the periodontal ligament?

Select one of the following:

  • 70%

  • 20%

  • 90%

Explanation

Question 11 of 15

1

What percentage type 3 collagen is found in the periodontal ligament?

Select one of the following:

  • 20%

  • 70%

  • 80%

Explanation

Question 12 of 15

1

What percentage of dentine is inorganic matrix?

Select one of the following:

  • 70%

  • 60%

  • 90%

Explanation

Question 13 of 15

1

What percentage of dentine is organic matrix?

Select one of the following:

  • 20%

  • 50%

  • 15%

Explanation

Question 14 of 15

1

What percentage of dentine is water?

Select one of the following:

  • 10%

  • 65%

  • 25%

Explanation

Question 15 of 15

1

Of the organic matrix of dentine, what percentage is collagen?

Select one of the following:

  • 90%

  • 85%

  • 45%

Explanation

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