Digestion Quiz 2 - Study Notes
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Questions and Answers

The following are accessory organs in digestion, except:

  • liver
  • tongue
  • mouth (correct)
  • teeth
  • That main organ of the gastrointestinal tract where the mechanical process occurs:

  • tongue
  • small intestine
  • stomach (correct)
  • large intestine
  • It is an enzyme found in the mouth that digests carbohydrates:

  • salivary amylase (correct)
  • lingual lipase
  • none of these
  • pancreatic amylase
  • A wavelike motion in the propulsion of the bolus:

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

    The following are protein enzymes found in the small intestine, except:

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

    A movement of water concentration across a semi-permeable membrane from a region of higher water concentration to a region of lower water concentration:

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

    A movement of substances across a semi-permeable membrane from a region of lower concentration to higher concentration:

    <p>primary active transport</p> Signup and view all the answers

    It is a catabolic process necessary for macroscopic food into a molecule that is small enough to be absorbed in the body's system:

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

    An accessory of the mouth that helps in churning the food:

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

    Digestion in the mouth undergoes:

    <p>A &amp; B</p> Signup and view all the answers

    The soft solid that is swallowed is known from the mouth as:

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

    A sphincter that connects the stomach and duodenum:

    <p>pyloric sphincter</p> Signup and view all the answers

    Enzyme found in the stomach that is activated in the secretion of HCl:

    <p>protein enzyme</p> Signup and view all the answers

    The following are brush border enzymes, except:

    <p>salivary amylase</p> Signup and view all the answers

    The bacteria in the large intestine can do the following, except:

    <p>Synthesizd vitamins A and B</p> Signup and view all the answers

    All of the following are true about carbohydrate digestion, except:

    <p>The stomach contains no enzymes that can hydrolyze carbohydrates so no digestion of carbohydrates occurs.</p> Signup and view all the answers

    Which of the following is not true about protein digestion?

    <p>Proteins do not require enzymes for digestion.</p> Signup and view all the answers

    Movement of fat through the body after absorption involves the following steps, except:

    <p>Absorbed fats are stored immediately in fat cells.</p> Signup and view all the answers

    Which of the following is correct about fat absorption?

    <p>Fats are absorbed into the lymphatic system.</p> Signup and view all the answers

    Phospholipids in digestion:

    <p>Help with the absorption of fats.</p> Signup and view all the answers

    Which statement about protein digestion is false?

    <p>Proteins do not require enzymes for digestion.</p> Signup and view all the answers

    Carbohydrates are completely digested in the stomach.

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

    What is the role of bile salts in fat absorption?

    <p>Bile salts emulsify fats, aiding in their digestion and absorption into the bloodstream.</p> Signup and view all the answers

    Absorbed fats are transported through the ______ system before entering the bloodstream.

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

    Match the following digestive components with their functions:

    <p>Salivary Amylase = Digests carbohydrates Trypsin = Digests proteins Bile Salts = Emulsifies fats Pancreatic Amylase = Continues carbohydrate digestion</p> Signup and view all the answers

    Which of the following organs primarily serves as the site for nutrient absorption in the gastrointestinal tract?

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

    Osmosis is the movement of substances across a semi-permeable membrane from higher to lower concentration.

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

    What is the name of the enzyme produced by the pancreas that digests proteins?

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

    The soft mass formed in the stomach after food is mixed with gastric juices is called ______.

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

    Which of the following describes the process where food is mechanically broken down in the mouth?

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

    Match the digestive enzymes to their respective functions:

    <p>Salivary amylase = Digests carbohydrates Pepsin = Digests proteins Lingual lipase = Digests fats Trypsin = Digests proteins in small intestine</p> Signup and view all the answers

    The primary function of the large intestine is to absorb nutrients from food.

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

    The wavelike motion that propels food through the digestive tract is known as ______.

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

    Study Notes

    Digestion Quiz 2 - Study Notes

    • Accessory Organs (Digestion, except): Mouth, tongue, teeth.
    • Mechanical Digestion (Main Organ): Stomach
    • Carbohydrate Digestion Enzyme (Mouth): Salivary amylase
    • Bolus Propulsion: Peristalsis
    • Protein Enzymes (Small Intestine, except): Pepsin
    • Water Movement (Semi-Permeable Membrane): Diffusion
    • Substance Movement (Lower to Higher Concentration): Secondary active transport
    • Macroscopic Food Breakdown: Digestion
    • Food Churning (Accessory): Tongue
    • Digestion in the Mouth: Mechanical and chemical processes
    • Swallowed Food Mass: Bolus
    • Stomach and Duodenum Connector: Pyloric sphincter
    • HCl Secretion Activator (Stomach): Protein enzyme
    • Brush Border Enzymes (except): Salivary amylase
    • Large Intestine Bacteria (cannot): Synthesize all vitamins
    • Carbohydrate Digestion Falsehoods: Little digestion in stomach due to pH, stomach lacking carbohydrate-hydrolyzing enzymes.
    • Protein Digestion Falsehoods: Digestion does not necessarily require enzymes, it can start in the stomach and is completed in the small intestine.
    • Fat Absorption Pathway: Fats travel through the lymphatic system and are transported by lipoproteins in the blood.
    • Fat Absorption Requirement: Bile salts are necessary for fats to enter the bloodstream
    • Phospholipids in Digestion: Assist in fat absorption

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    Description

    Test your knowledge on the digestion process with this comprehensive quiz. Explore the roles of accessory organs, enzymes, and the mechanical aspects of digestion from the mouth to the intestines. This quiz covers key concepts essential for understanding human digestion.

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