Gastrointestinal SySTEM Trivia: How Much You Know? Quiz

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| By Jfigue9
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Quizzes Created: 2 | Total Attempts: 1,069
Questions: 20 | Attempts: 363

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Gastrointestinal System Trivia: How Much You Know? Quiz - Quiz


How much do you understand about the gastrointestinal system? Do you think you know enough to pass this quiz? Digestion is crucial because your body needs nutrients from food and drink to work correctly and remain healthy. Proteins, fats, carbohydrates, vitamins, minerals, and water are nutrients that your digestive system breaks down the nutrients into pieces small enough for your body to process and utilize. Take this quiz and see what you know about the gastrointestinal system.


Questions and Answers
  • 1. 

    The purpose of the gastrointestinal system is to provide

    Explanation
    The purpose of the gastrointestinal system is to provide nutrients to the body. This system is responsible for the digestion and absorption of food, breaking it down into smaller molecules that can be used by the body for energy, growth, and repair. Nutrients such as carbohydrates, proteins, fats, vitamins, and minerals are extracted from the food and transported to various cells and tissues through the bloodstream. These nutrients are essential for the proper functioning of the body and are necessary for maintaining overall health and well-being.

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  • 2. 

    Which of the following is NOT accessory glands?

    • A.

      Salivary glands

    • B.

      Pituitary gland

    • C.

      Liver

    • D.

      Pancreas

    Correct Answer
    B. Pituitary gland
    Explanation
    The pituitary gland is not an accessory gland. It is a small gland located at the base of the brain and is considered the "master gland" because it produces and releases hormones that regulate various bodily functions. Unlike the salivary glands, liver, and pancreas, which are all considered accessory glands because they aid in the digestion and absorption of nutrients, the pituitary gland primarily regulates hormone production and secretion.

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  • 3. 

    The stomach has skeletal or smooth muscle?

    Correct Answer
    both
    Explanation
    The stomach has both skeletal and smooth muscle. The outer layer of the stomach is made up of skeletal muscle, which allows for voluntary control over some digestive processes. The inner layers of the stomach are composed of smooth muscle, which is responsible for involuntary contractions that help mix and propel food through the digestive system. This combination of muscle types enables the stomach to efficiently break down food and move it along the digestive tract.

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  • 4. 

    Hepatic ducts and gull bladder are connected on what organ?

    Correct Answer
    liver
    Explanation
    The hepatic ducts and gallbladder are connected to the liver. The hepatic ducts are responsible for carrying bile, a substance produced by the liver, to the gallbladder for storage. The gallbladder then releases bile into the small intestine to aid in the digestion and absorption of fats. Therefore, the liver is the organ where the hepatic ducts and gallbladder are connected.

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  • 5. 

    Which duct connects the hepatic and gull bladder?

    Correct Answer
    cystic
    Explanation
    The cystic duct connects the hepatic (liver) and gallbladder. It is responsible for carrying bile from the gallbladder to the common bile duct, which then transports the bile to the small intestine for digestion.

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  • 6. 

    What connects the common bile duct and pancreatic duct to the duodenum?

    Correct Answer
    ampulla
    Explanation
    The ampulla connects the common bile duct and pancreatic duct to the duodenum. It is a small opening or passage that allows the flow of bile and pancreatic enzymes into the small intestine. This connection is important for the digestion and absorption of fats and nutrients in the duodenum.

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  • 7. 

    What connects the mesenteric veins from the small intestine and colon to the liver and vena cave?

    Correct Answer
    hepatic portal vein
    Explanation
    The hepatic portal vein connects the mesenteric veins from the small intestine and colon to the liver and vena cava. It is responsible for carrying nutrient-rich blood from the digestive system to the liver for processing and detoxification before it is distributed to the rest of the body. This unique pathway allows the liver to regulate and control the levels of nutrients, hormones, and other substances in the bloodstream, ensuring proper metabolism and functioning of the body.

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  • 8. 

    What are the gastrointestinal system functions?

    • A.

      Digestion

    • B.

      Secretion

    • C.

      Absorption

    • D.

      Excretion

    Correct Answer(s)
    A. Digestion
    B. Secretion
    C. Absorption
    D. Excretion
    Explanation
    The gastrointestinal system functions include digestion, which involves breaking down food into smaller molecules for absorption; secretion, which involves the release of digestive enzymes, acids, and hormones; absorption, which involves the uptake of nutrients and water from the digested food into the bloodstream; and excretion, which involves the elimination of waste products from the body through bowel movements.

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  • 9. 

    In digestion what is NOT the complex molecules

    • A.

      Carbohydrates

    • B.

      Lipids

    • C.

      Proteins

    • D.

      Nucleic acids

    • E.

      Vitamins

    Correct Answer
    E. Vitamins
    Explanation
    Vitamins are not complex molecules in digestion. While carbohydrates, lipids, proteins, and nucleic acids are all complex molecules that need to be broken down during digestion, vitamins are organic compounds that are required in small amounts for various physiological functions in the body. They are not broken down into simpler molecules during digestion like the other macronutrients.

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  • 10. 

    In the stomach which cells are the chief cell?

    Correct Answer
    pepsinogen
    Explanation
    Pepsinogen is the inactive form of the enzyme pepsin, which is responsible for the digestion of proteins in the stomach. The chief cells in the stomach secrete pepsinogen, which is then activated by the acidic environment in the stomach to become pepsin. Pepsinogen is the chief cell's primary product and plays a crucial role in the digestive process by breaking down proteins into smaller peptides.

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  • 11. 

    In the stomach which cells are parietal?

    Correct Answer
    hydrogen ions
    intrinsic factor
    Explanation
    The parietal cells in the stomach are responsible for producing and secreting hydrogen ions (H+) and intrinsic factor. Hydrogen ions help in the digestion process by creating an acidic environment in the stomach. Intrinsic factor is a protein that is necessary for the absorption of vitamin B12 in the small intestine.

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  • 12. 

    In the stomach which cells are G cells?

    Correct Answer
    Gastrin
    Explanation
    G cells are the cells in the stomach that produce and secrete the hormone gastrin. Gastrin plays a crucial role in regulating the secretion of gastric acid and the movement of food through the digestive system. It stimulates the release of gastric acid from parietal cells in the stomach, which aids in the digestion of food. Additionally, gastrin also promotes the growth and regeneration of the stomach lining. Therefore, the correct answer to the question is Gastrin.

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  • 13. 

    Parietal cells secrete what

    Correct Answer
    acid
    Explanation
    Parietal cells in the stomach secrete acid, specifically hydrochloric acid (HCl). This acid plays a crucial role in the digestive process by breaking down food and killing bacteria that may be present in the stomach. It also helps activate enzymes that further aid in digestion. The secretion of acid by parietal cells is tightly regulated to maintain the acidic environment necessary for proper digestion.

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  • 14. 

    What does the pH of the stomach need to be to turn pepsinogen to pepsin?

    Correct Answer
    2
    Explanation
    The pH of the stomach needs to be 2 in order to turn pepsinogen into pepsin. Pepsinogen is an inactive form of the enzyme pepsin, which is responsible for breaking down proteins in the stomach. The low pH of 2 in the stomach is created by the secretion of hydrochloric acid, which activates pepsinogen and converts it into pepsin. This acidic environment is necessary for the proper digestion of proteins in the stomach.

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  • 15. 

    What is used in gastric emptying?

    Correct Answer
    chyme
    Explanation
    Chyme is the partially digested food that passes from the stomach to the small intestine. It is formed when food mixes with stomach acid and digestive enzymes. Gastric emptying refers to the process of releasing chyme from the stomach into the small intestine for further digestion and absorption. Therefore, chyme is the substance that is used in gastric emptying.

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  • 16. 

    The liver does the following processes

    • A.

      Bile secretion

    • B.

      Metabolic processing

    • C.

      Removal old blood

    • D.

      Plasma protein synthesis

    • E.

      Hormone secretion

    Correct Answer(s)
    A. Bile secretion
    B. Metabolic processing
    C. Removal old blood
    D. Plasma protein synthesis
    E. Hormone secretion
    Explanation
    The liver performs a variety of important processes. Bile secretion is one of its functions, which involves the production and release of bile into the digestive system to aid in the digestion and absorption of fats. Metabolic processing refers to the liver's ability to metabolize various substances, including drugs, toxins, and nutrients. The liver also plays a role in removing old blood cells from circulation. Additionally, it is involved in the synthesis of plasma proteins, which are essential for various bodily functions. Lastly, the liver secretes hormones that regulate metabolism, blood sugar levels, and other physiological processes.

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  • 17. 

    What enzyme secreted in the pancreas breaks up fat droplets?

    Correct Answer(s)
    lipase
    Explanation
    Lipase is the enzyme secreted in the pancreas that breaks up fat droplets. Lipase plays a crucial role in the digestion and absorption of dietary fats. It catalyzes the hydrolysis of triglycerides into fatty acids and glycerol, making the fats more easily absorbed by the body. Without lipase, the digestion and absorption of fats would be impaired, leading to various digestive disorders and nutrient deficiencies.

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  • 18. 

    Where do salts get absorbed by capillaries?

    Correct Answer(s)
    illieum
    Explanation
    The correct answer is "ileum." The ileum is the final section of the small intestine where most of the absorption of nutrients, including salts, takes place. The walls of the ileum are lined with capillaries, which are tiny blood vessels that allow for the exchange of substances between the intestines and the bloodstream. These capillaries absorb the salts from the digested food in the ileum, allowing them to enter the bloodstream and be transported to the rest of the body.

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  • 19. 

    Solutes are absorbed into capillaries in what membrane?

    Correct Answer(s)
    basolateral
    Explanation
    Solutes are absorbed into capillaries through the basolateral membrane. The basolateral membrane is located on the basal side of epithelial cells, which is the side facing away from the lumen or the external environment. This membrane plays a crucial role in the absorption of solutes from the lumen into the bloodstream. It contains various transporters and channels that facilitate the movement of solutes across the membrane and into the capillaries. Therefore, the basolateral membrane is the correct answer for the absorption of solutes into capillaries.

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  • 20. 

    What is not an enzyme secreted in the pancreas?

    • A.

      Amlyase

    • B.

      Lipase

    • C.

      Protease

    • D.

      Nulcease

    • E.

      Pepsin

    Correct Answer
    E. Pepsin
    Explanation
    Pepsin is not an enzyme secreted in the pancreas. Pepsin is actually secreted in the stomach and is responsible for breaking down proteins into smaller peptide fragments. The pancreas, on the other hand, secretes enzymes such as amylase, lipase, protease, and nucleases, which are involved in the digestion of carbohydrates, fats, proteins, and nucleic acids respectively.

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  • Current Version
  • Mar 20, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 28, 2010
    Quiz Created by
    Jfigue9
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