Absorption in Digestive System
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Questions and Answers

How are digested products primarily transported from the digestive canal into the bloodstream?

  • Through blood plasma (correct)
  • Through bile secretion
  • Through lymph plasma
  • Through gastric acid

    • What is the main route for the transport of digested products into the bloodstream?

  • Nerve cells
  • Blood vessels (correct)
  • Kidneys
  • Bone marrow

    • Which of the following circulatory systems is NOT involved in transporting digested products from the digestive canal?

  • Respiratory system (correct)
  • Cardiovascular system
  • Endocrine system
  • Lymphatic system

    • During absorption, where do the digested products pass into before entering the blood plasma?

    <p>Interstitial fluid</p> Signup and view all the answers

    What is the main destination where the digested products are carried once they enter the blood plasma during absorption?

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

    What is the outer layer of the esophagus called?

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

    Which structure secretes mucus to lubricate the esophagus?

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

    In the gastrointestinal tract (GIT), which sphincter connects to the stomach?

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

    What is the shape of the stomach?

    <p>J-shaped</p> Signup and view all the answers

    What is the function of the stomach in the digestive process?

    <p>Converting bolus into chyme</p> Signup and view all the answers

    What is the main function of the Splanchnic Circulation?

    <p>Supply the digestive organs with blood</p> Signup and view all the answers

    Which arteries serve the small and large intestines?

    <p>Mesenteric arteries</p> Signup and view all the answers

    What is the main function of the Enteric Nervous System (ENS)?

    <p>Control digestive canal motility</p> Signup and view all the answers

    Where does the hepatic portal circulation collect blood from?

    <p>Digestive viscera</p> Signup and view all the answers

    What is the main role of the Submucosal plexus in the digestive canal?

    <p>Control digestive canal secretion</p> Signup and view all the answers

    Where is the Myenteric plexus located and what does it primarily control?

    <p>Between smooth muscle layers, controls digestive canal motility</p> Signup and view all the answers

    What happens to the feces when they reach the rectum?

    <p>They are stretched and send a message to the spinal cord</p> Signup and view all the answers

    What is the result of holding feces and the walls absorbing the water in it?

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

    What is the function of the external sphincter during defecation?

    <p>To relax and open the anus</p> Signup and view all the answers

    What is the sequence of events during the defecation reflex?

    <p>Feces reach rectum, spinal cord sends message, external sphincter relaxes</p> Signup and view all the answers

    What is the purpose of the hepatic flexure in the large intestine?

    <p>To store feces temporarily</p> Signup and view all the answers

    What is the primary function of the pylorus?

    <p>Separation of the stomach and duodenum via the pyloric valve</p> Signup and view all the answers

    Which of the following is not secreted by the stomach?

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

    What is the role of gastric lipase in the stomach?

    <p>Digestion of fats</p> Signup and view all the answers

    What is the purpose of the stomach acting as a reservoir for food?

    <p>To prepare food for release into the small intestine</p> Signup and view all the answers

    What is the function of intrinsic factor in the stomach?

    <p>Absorption of vitamin B12</p> Signup and view all the answers

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