Chemical Properties of Dental Materials

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Questions and Answers

Which of the following best describes the pH scale?

  • A scale that measures the boiling point of solutions
  • A scale that measures the concentration of acids and bases (correct)
  • A scale that measures the strength of acids and bases
  • A scale that measures the color change of indicators

What is the difference between strong acids/bases and weak acids/bases?

  • Strong acids/bases have a higher pH than weak acids/bases
  • Strong acids/bases have a lower boiling point than weak acids/bases
  • Strong acids/bases completely dissociate in water, while weak acids/bases only partially dissociate (correct)
  • Strong acids/bases are more corrosive than weak acids/bases

What is the equilibrium constant expression for the reaction of an acid with water?

  • Kb
  • Ka (correct)
  • Kc
  • Kw

What are conjugate acid-base pairs?

<p>Pairs of substances that differ by a proton (D)</p> Signup and view all the answers

What is the percent dissociation of an acid?

<p>The percentage of an acid that dissociates into ions in water (D)</p> Signup and view all the answers

Which of the following is a primary cause of endocrine dysfunction?

<p>Originate in the gland responsible for producing the hormone (A)</p> Signup and view all the answers

What is the focus of the module on Graves' ophthalmopathy?

<p>Identifying the underlying hormonal imbalances and their potential origins (C)</p> Signup and view all the answers

Which of the following is NOT a tertiary cause of endocrine dysfunction?

<p>Result from abnormal levels of releasing factors (D)</p> Signup and view all the answers

What impact can all forms of endocrine disturbances have on oral health?

<p>Negative impact on oral health (C)</p> Signup and view all the answers

What is the source of the text about Graves' disease?

<p>Wikipedia (B)</p> Signup and view all the answers

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