The Cardiac Sphincter Quiz
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Questions and Answers

What is the function of the cardiac sphincter?

  • Regulate the flow of substances into and out of the stomach (correct)
  • Assist in blood circulation
  • Help in digestion of food
  • Aid in breathing

    • Where is the cardiac sphincter located?

  • Between the liver and gallbladder
  • Between the esophagus and stomach (correct)
  • Between the large intestine and rectum
  • Between the stomach and small intestine

    • What happens when the muscles of the cardiac sphincter relax?

  • Food is able to flow from the esophagus down into the stomach (correct)
  • The stomach contracts
  • Food is prevented from entering the stomach
  • The esophagus expands

    • What is solubility?

    <p>The ability of a solute to form a solution with a solvent</p> Signup and view all the answers

    How is the extent of solubility generally measured?

    <p>As the concentration of the solute in a saturated solution</p> Signup and view all the answers

    What does it mean when two substances are at solubility equilibrium?

    <p>No more solute can be dissolved in the solvent</p> Signup and view all the answers

    In what state can the solute be?

    <p>Solid, liquid, or gas</p> Signup and view all the answers

    When are two substances said to be 'miscible in all proportions'?

    <p>When there is no limit to the solubility of the solutes and solvents</p> Signup and view all the answers

    What is solubility?

    <p>The ability of a substance to form a solution with another substance</p> Signup and view all the answers

    When are two substances at solubility equilibrium?

    <p>When no more solute can be dissolved in a saturated solution</p> Signup and view all the answers

    In what situations are two substances said to be 'miscible in all proportions'?

    <p>When there is no limit to the solubility of the solute in the solvent</p> Signup and view all the answers

    What can be the solute in a solution?

    <p>Solid, liquid, or gas</p> Signup and view all the answers

    In what state must a solid or liquid be to be 'dissolved' in a gas?

    <p>Gaseous state</p> Signup and view all the answers

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