Human Anatomy: The Digestive System Chapter 23
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Questions and Answers

What is the function of segmentation in the digestive process?

  • To eliminate waste products from the body
  • To mix food with digestive juices (correct)
  • To propel food through the alimentary canal
  • To absorb nutrients into the bloodstream
  • Which part of the peritoneum lines the body wall?

  • Visceral peritoneum
  • Mesentery
  • Retroperitoneal organ
  • Parietal peritoneum (correct)
  • What is the purpose of the peritoneal cavity?

  • To store fat
  • To provide a route for circulatory vessels and nerves (correct)
  • To propel food through the alimentary canal
  • To surround the digestive organs
  • Which of the following organs is NOT part of the alimentary canal?

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

    What is the term for the rhythmic contraction of the intestine that helps propel food through the alimentary canal?

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

    What is the purpose of the mesentery?

    <p>To hold organs in place</p> Signup and view all the answers

    What is the function of the inferior labial frenulum?

    <p>To connect the lower lip to the gum</p> Signup and view all the answers

    Which muscle is involved in forming the lips and cheeks?

    <p>Orbicularis oris</p> Signup and view all the answers

    What is the function of the epiglottis?

    <p>To separate the oral cavity from the oropharynx</p> Signup and view all the answers

    What is the function of the intrinsic muscles of the tongue?

    <p>To change the shape of the tongue</p> Signup and view all the answers

    What is the function of the palatopharyngeal arch?

    <p>To separate the oral cavity from the oropharynx</p> Signup and view all the answers

    What is the function of the vestibule?

    <p>To contain the oral cavity</p> Signup and view all the answers

    Which cells in the pancreas produce, store, and secrete pancreatic enzymes?

    <p>Acinar cells</p> Signup and view all the answers

    What is the name of the duct that connects the gallbladder to the common hepatic duct?

    <p>Cystic duct</p> Signup and view all the answers

    What is the term for the small tubes that carry digestive enzymes from the pancreas to the duodenum?

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

    What is the name of the muscle that surrounds the pancreatic duct and regulates the flow of pancreatic juice into the duodenum?

    <p>Sphincter of Oddi</p> Signup and view all the answers

    What is the name of the part of the pancreas that is located near the duodenum?

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

    What is the term for the hormones produced by the pancreas that regulate blood sugar levels?

    <p>Insulin and glucagon</p> Signup and view all the answers

    What is the age range when the third molar, also known as the wisdom tooth, erupts?

    <p>17-25 years</p> Signup and view all the answers

    What is the function of the salivary glands?

    <p>To produce saliva that moistens the mouth and aids in digestion</p> Signup and view all the answers

    What is the name of the structure that connects the root of the tooth to the surrounding bone?

    <p>Periodontal ligament</p> Signup and view all the answers

    What is the name of the layer of muscle in the pharynx?

    <p>External muscle layer</p> Signup and view all the answers

    What is the purpose of the dental formula?

    <p>To indicate the number and position of teeth</p> Signup and view all the answers

    What is the name of the part of the tooth that contains blood vessels and nerves?

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

    What is the outermost layer of the alimentary canal wall?

    <p>The serosa</p> Signup and view all the answers

    What is the function of the muscularis mucosae?

    <p>Local movement</p> Signup and view all the answers

    What is the location of the MALT in the alimentary canal wall?

    <p>In the lamina propria</p> Signup and view all the answers

    What is the name of the nerve plexus located between the circular and longitudinal muscular layers?

    <p>Myenteric nerve plexus</p> Signup and view all the answers

    What is the purpose of the mesentery and its derivatives?

    <p>To suspend the digestive organs in the abdominal cavity</p> Signup and view all the answers

    What is the term for the peritoneum that lines the abdominal cavity?

    <p>Parietal peritoneum</p> Signup and view all the answers

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