pH and Its Significance
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Questions and Answers

Which of the following substances can contribute to the entry of hydrogen ions into body fluids?

  • Carbon dioxide (correct)
  • Oxygen
  • Glucose
  • Water

    • What is the product of anaerobic cellular metabolism that can contribute to the entry of hydrogen ions into body fluids?

  • Glucose
  • Water
  • Carbon dioxide
  • Lactic acid (correct)

    • Which of the following can contribute to the entry of hydrogen ions into body fluids when certain proteins are broken down for energy purposes?

  • Acetic acid
  • Citric acid
  • Sulfuric acid
  • Phosphoric acid (correct)

    • What can contribute to the entry of hydrogen ions into body fluids based on the type of diet consumed?

    <p>Acidic foods (C)</p> Signup and view all the answers

    What type of minerals do different types of food provide?

    <p>Base-forming minerals (C)</p> Signup and view all the answers

    What is the surplus of mineral elements found in most mixed diets after metabolism is complete?

    <p>Acid-forming minerals (A)</p> Signup and view all the answers

    What is the purpose of buffering the surplus of acid-forming mineral elements in body fluids?

    <p>To maintain acid-base balance (C)</p> Signup and view all the answers

    Which of the following is NOT a source of hydrogen ions entering body fluids?

    <p>Oxygen (A)</p> Signup and view all the answers

    Which ions are present in all water in the body?

    <p>Both hydrogen ions (H+) and hydroxide ions (OH-) (B)</p> Signup and view all the answers

    What does the pH symbol represent?

    <p>The concentration of hydrogen ions in a solution (B)</p> Signup and view all the answers

    Which pH value indicates a solution that is more acidic?

    <p>1 (A)</p> Signup and view all the answers

    What happens to the pH as the concentration of hydrogen ions increases?

    <p>The pH decreases (A)</p> Signup and view all the answers

    What is the pH of a neutral solution?

    <p>7 (B)</p> Signup and view all the answers

    What is the range of pH for blood in the body?

    <p>7.35-7.45 (D)</p> Signup and view all the answers

    What can happen if the pH of blood deviates outside the normal range?

    <p>Acidosis (D)</p> Signup and view all the answers

    How does the body regulate the pH of body fluids?

    <p>By maintaining an acid-base balance (D)</p> Signup and view all the answers

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