Nursing Science: Digestion and Pancreatic Juice
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Questions and Answers

What is the primary function of bile in the digestive process?

  • Breaking down carbohydrates
  • Regulating digestion and absorption
  • Breaking down proteins
  • Breaking down lipids (correct)
  • What is the significance of pancreatic juice in digestion?

  • Breaking down carbohydrates, proteins, and fats (correct)
  • Producing bile
  • Adding bulk to faeces
  • Regulating digestion and absorption
  • What is the primary function of the enteric nervous system?

  • Regulating digestion, absorption, and elimination (correct)
  • Adding bulk to faeces
  • Breaking down carbohydrates
  • Producing bile
  • Where does carbohydrate digestion begin?

    <p>Oral cavity</p> Signup and view all the answers

    What is the final breakdown product of carbohydrates in digestion?

    <p>Monosaccharides</p> Signup and view all the answers

    What is the function of cellulose in the digestive process?

    <p>Adding bulk to faeces</p> Signup and view all the answers

    What are the proteins that the body cannot manufacture?

    <p>Essential amino acids</p> Signup and view all the answers

    Where does the partially digested food enter after being mixed with stomach acid?

    <p>Small intestine</p> Signup and view all the answers

    What type of vitamins are more likely to cause deficiencies?

    <p>Water-soluble</p> Signup and view all the answers

    Which of the following is NOT a mineral required in small amounts?

    <p>Calcium</p> Signup and view all the answers

    What is the term for the involuntary constriction and relaxation of the muscles of the intestine that propels the contents forward?

    <p>Peristalsis</p> Signup and view all the answers

    What is the correct name for 'milk teeth'?

    <p>Deciduous teeth</p> Signup and view all the answers

    What is secreted by the liver and needed for the mechanical breakdown of lipids/fats?

    <p>Bile</p> Signup and view all the answers

    What is manufactured in the large intestine and necessary for clotting?

    <p>Vitamin K</p> Signup and view all the answers

    Study Notes

    Digestion

    • Bile, produced by the liver, helps break down lipids in the small intestine and is stored in the gallbladder.
    • Pancreatic juice, produced by the pancreas, contains enzymes that break down carbohydrates, proteins, and fats in the small intestine.

    Enteric Nervous System

    • The enteric nervous system is a network of nerves that controls the gastrointestinal system, regulating digestion, absorption, and elimination of food.

    Carbohydrate Digestion

    • Carbohydrate digestion begins in the oral cavity, where enzymes in saliva break down complex carbohydrates into simpler sugars.
    • The process continues in the stomach, where food is mixed with stomach acid and further broken down.
    • In the small intestine, enzymes produced by the pancreas and bile produced by the liver complete the breakdown of carbohydrates into monosaccharides.

    Additional Facts

    • Cellulose is a polysaccharide produced by plants that the body cannot digest but is useful for adding bulk to faeces.
    • The body cannot manufacture essential amino acids.
    • Water-soluble vitamins are likely to cause deficiencies.
    • Minerals, such as copper, fluoride, iodine, and iron, are only required in small amounts.
    • The teeth, tongue, salivary glands, liver, gallbladder, and pancreas are accessory organs.
    • Peristalsis is the involuntary constriction and relaxation of the muscles of the intestine that propels the contents forward.
    • Deciduous teeth, also known as milk teeth, begin to appear at approximately 6 months of age.
    • Hydrochloric acid, found in the stomach, activates pepsinogen into pepsin, necessary for protein digestion.
    • Brush Border Enzymes ensure the digestion of carbohydrates.
    • Bile is secreted by the liver and necessary for the mechanical breakdown of lipids.
    • Vitamin K is manufactured in the large intestine and necessary for clotting.

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    Description

    This quiz covers the role of bile and pancreatic juice in lipid digestion, their functions, and the processes that occur in response to digestion.

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