Digestive System and GIT Quiz
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Questions and Answers

What is the primary function of the digestive system?

  • To produce hormones for maintaining homeostasis
  • To eliminate waste products from the body
  • To regulate body temperature
  • To provide nutrients for cell maintenance and growth (correct)
  • Which of the following is NOT an accessory digestive organ?

  • Liver
  • Pancreas
  • Small intestine (correct)
  • Gallbladder
  • What is the process that involves muscular movement of the digestive tract to physically break down food into smaller particles?

  • Propulsion
  • Segmentation
  • Absorption
  • Mechanical digestion (correct)
  • What is the term for the involuntary, alternating waves of contraction and relaxation of muscles in the organ walls?

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

    Which activity of the digestive system involves the oral cavity allowing food to enter the digestive tract and mastication (chewing) of food?

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

    What is the primary function of the muscularis externa in the alimentary canal?

    <p>Movement and mixing of food through the digestive tract</p> Signup and view all the answers

    Which of the following is NOT a function of the mucosa in the alimentary canal?

    <p>Stimulation of intestinal glands to secrete their products</p> Signup and view all the answers

    What is the main function of the submucosa in the alimentary canal?

    <p>Contains blood and lymphatic vessels</p> Signup and view all the answers

    What is the role of myenteric plexus in the alimentary canal?

    <p>Movement and mixing of food through the digestive tract</p> Signup and view all the answers

    Which layer of the alimentary canal contains Meissner’s plexus?

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

    ______ digestion involves hydrolysis reactions aided by enzymes to chemically break down food particles into nutrient molecules

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

    Carbohydrates are broken down into ______

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

    Proteins are broken down into ______

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

    Fats are broken down into glycerol and ______

    <p>fatty acids</p> Signup and view all the answers

    The digestive system provides nutrients for cell maintenance and growth. The GIT can be organised into: 1. Alimentary canal (Digestive tract) (mouth, pharynx, oesophagus, stomach, small intestine and large intestine, rectum, and anal canal). 2. Accessory digestive organs (Teeth, tongue, salivary glands, the liver, the gallbladder and the pancreas). The activities of the digestive system The activity of the digestive system can be categorised into 5 processes: 1. _______ 2. Propulsion 3. Digestion 4. Secretion 5. Absorption 6. Defecation

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

    The uptake of nutrient molecules into the epithelial cells of the digestive tract and then into the blood or lymph is known as ______

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

    The activity of the digestive system can be categorised into 5 processes: 1. Ingestion 2. _______ 3. Digestion 4. Secretion 5. Absorption 6. Defecation

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

    The activity of the digestive system can be categorised into 5 processes: 1. Ingestion 2. Propulsion 3. _______ 4. Secretion 5. Absorption 6. Defecation

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

    The activity of the digestive system can be categorised into 5 processes: 1. Ingestion 2. Propulsion 3. Digestion 4. _______ 5. Absorption 6. Defecation

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

    The activity of the digestive system can be categorised into 5 processes: 1. Ingestion 2. Propulsion 3. Digestion 4. Secretion 5. _______ 6. Defecation

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

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