Digestive System Functions Quiz
30 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

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

  • To propel food slowly through the small intestine
  • To absorb some fat-soluble substances like alcohol and aspirin
  • To begin the chemical breakdown of proteins (correct)
  • To concentrate and temporarily store food residue
  • What is the role of the pancreas in the digestive process?

  • To produce digestive enzymes and bicarbonate to neutralize acidic chyme (correct)
  • To absorb residual water, electrolytes, and vitamins produced by enteric bacteria
  • To produce bile salts to emulsify lipids
  • To stimulate protein digesting enzymes and secrete intrinsic factor for vitamin B12 absorption
  • What is the primary function of the large intestine in the digestive process?

  • To stimulate protein digesting enzymes and secrete intrinsic factor for vitamin B12 absorption
  • To further breakdown of food residue (correct)
  • To absorb macro and micro nutrients
  • To mix chyme and digestive juices
  • What is the role of the gallbladder in the digestive process?

    <p>To store, concentrate, and release bile</p> Signup and view all the answers

    What is the primary function of mechanical digestion in the digestive process?

    <p>To expose a larger surface area to digestive juices</p> Signup and view all the answers

    What is the role of peristalsis in the digestive process?

    <p>To propel food through the alimentary canal</p> Signup and view all the answers

    Which of the following is NOT a function of the tongue?

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

    What is the primary role of gastric inhibitory peptide in the digestive system?

    <p>Inhibit gastric secretion and slow gastric emptying and motility</p> Signup and view all the answers

    Which of the following statements about the mouth is NOT true?

    <p>The mouth can handle digestion and respiration simultaneously</p> Signup and view all the answers

    Which of the following is a short reflex in the digestive system?

    <p>Expanding stomach causes an increase in digestive juice secretion</p> Signup and view all the answers

    Which of the following statements about the digestive process is true?

    <p>Defecation is the removal of undigested materials from the body</p> Signup and view all the answers

    What is the primary function of cholecystokinin (CCK) in the digestive system?

    <p>Stimulate the release of pancreatic enzymes and bile from the liver and gallbladder</p> Signup and view all the answers

    What is the main function of the lower esophageal sphincter?

    <p>Controlling food entering the stomach</p> Signup and view all the answers

    Which phase of swallowing involves skeletal muscles controlled voluntarily?

    <p>Voluntary phase</p> Signup and view all the answers

    What is the main function of the pyloric sphincter?

    <p>Controls emptying of the stomach</p> Signup and view all the answers

    Which cells in the stomach produce hydrochloric acid?

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

    What is the function of enteroendocrine cells in the stomach?

    <p>Secrete various hormones like gastrin</p> Signup and view all the answers

    What is the role of the fundus in the stomach?

    <p>Stores undigested food and gases</p> Signup and view all the answers

    Which muscle is responsible for connecting the tongue to the floor of the mouth?

    <p>Lingual frenulum</p> Signup and view all the answers

    What is the main component of saliva that initiates the breakdown of carbohydrates?

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

    Where can you find the nerves and blood vessels in a tooth?

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

    Which part of the tooth is most susceptible to being degraded by a colony of bacteria?

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

    What is the function of the epiglottis during swallowing?

    <p>Protecting the trachea from food</p> Signup and view all the answers

    Which part of the throat directly connects to both the esophagus and the larynx?

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

    Which of the following statements about carbohydrate digestion and absorption is correct?

    <p>Carbohydrate digestion begins in the mouth and is primarily completed by pancreatic amylase in the small intestine.</p> Signup and view all the answers

    Which of the following statements about protein digestion and absorption is correct?

    <p>Protein digestion begins in the stomach and is completed by pancreatic enzymes in the small intestine.</p> Signup and view all the answers

    Which of the following statements about lipid digestion and absorption is correct?

    <p>Lipid digestion mainly occurs in the small intestine due to the action of pancreatic lipase.</p> Signup and view all the answers

    Which of the following statements about nucleic acid digestion is correct?

    <p>Pancreatic nuclease breaks down nucleic acids into pentoses, phosphates, and nitrogenous bases.</p> Signup and view all the answers

    Which of the following statements about mineral absorption is correct?

    <p>The sodium-potassium pump, which requires ATP, is involved in electrolyte absorption.</p> Signup and view all the answers

    Which of the following statements about the role of the gallbladder is correct?

    <p>The gallbladder stores and concentrates bile, which is then propelled into the duodenum through the common bile duct.</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Browser