Quiz: Digestive System Practice Questions!

21 Questions | Total Attempts: 17730

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Quiz: Digestive System Practice Questions!

The function of the digestive system is digestion and absorption. The system is divided into two parts, and they are charged with ensuring there is a break down of food into nutrients, which the body uses for energy, growth, and cell repair. Test what else you know about the organs in the system through the quiz.


Questions and Answers
  • 1. 
    • A. 

      Mouth

    • B. 

      Stomach

    • C. 

      Small Intestine

    • D. 

      Large Intestine

    • E. 

      Stomach and small intestine

  • 2. 
    What is the name of the stomach cell that secretes hydrochloric acid?
    • A. 

      Chrondocyte

    • B. 

      Chief cell

    • C. 

      Parietal cell

    • D. 

      Gastric cell

    • E. 

      Glial cell

  • 3. 
    Which of the following is NOT part of the GI tract?
    • A. 

      Esophagus

    • B. 

      Stomach

    • C. 

      Small Intestine

    • D. 

      Large Intestine

    • E. 

      Pancreas

  • 4. 
    • A. 

      Cephalic phase

    • B. 

      Gastric phase

    • C. 

      Duodenal phase

    • D. 

      Intestinal phase

    • E. 

      All of these are phase of gastric secretion

  • 5. 
    Which of the following macromolecules is digested in the small intestine?
    • A. 

      Protein

    • B. 

      Lipids

    • C. 

      Carbohydrates

    • D. 

      Nucleic acids

    • E. 

      All of the above

  • 6. 
    • A. 

      Mouth.

    • B. 

      Stomach.

    • C. 

      Small intestine.

    • D. 

      Mouth and small intestine.

    • E. 

      Mouth and pancreas

  • 7. 
    The major movement of food through the GI tract is called
    • A. 

      Peristalsis

    • B. 

      Segmentation

    • C. 

      Hostile churning

    • D. 

      Chyme propulsion

    • E. 

      Swallowing

  • 8. 
    Which of the following enzymes digests protein?
    • A. 

      Pepsin

    • B. 

      Lipase

    • C. 

      Amylase

    • D. 

      Trypsin

    • E. 

      Pepsin and Trypsin

  • 9. 
    In which gastrointestinal organ does the majority of digestion and absorption occur?
  • 10. 
    Which two secretions need to be present for lipid digestion?
    • A. 

      Amylase and lipase

    • B. 

      Bile and pepsin

    • C. 

      Bile and lipase

    • D. 

      Pepsin and lipase

    • E. 

      Pepsin and trypsin

  • 11. 
    Which organ secretes the majority of digestive enzymes?
    • A. 

      Pancreas

    • B. 

      Mouth

    • C. 

      Small intestine

    • D. 

      Liver

    • E. 

      Stomach

  • 12. 
    What is the major cause of duodenal and stomach ulcers?
    • A. 

      Acid reflux

    • B. 

      Helicobacter pylori

    • C. 

      Stress

    • D. 

      Alcohol

    • E. 

      Acid reflux and Helicobacter pylori

  • 13. 
    What is the adult dental formula
    • A. 

      2:2:1:3

    • B. 

      2:1:3:2

    • C. 

      2:3:1:2

    • D. 

      2:1:3:3

    • E. 

      2:1:2:3

  • 14. 
    In the mouth _______________ mechanically digest food.
  • 15. 
    In the mouth ________________ chemically digests food.
  • 16. 
    What important nutrient is made in the large intestine?
    • A. 

      Protein

    • B. 

      Calcium

    • C. 

      Vitamin A

    • D. 

      Vitamin K

    • E. 

      Vitamin C

  • 17. 
    What is the hardest substance in the human body?
    • A. 

      Bone

    • B. 

      Dentin

    • C. 

      Enamel

    • D. 

      Fibrocartilage

    • E. 

      Hyaline cartilage

  • 18. 
    In which digestive organ is chyme produced?
    • A. 

      Mouth

    • B. 

      Stomach

    • C. 

      Small intestine

    • D. 

      Large intestine

    • E. 

      Pancreas

  • 19. 
    Villi and microvilli increase the surface area of the _________________________.
  • 20. 
    What is the name of the epithelial tissue that lines the stomach and small intestine?
  • 21. 
    What is the name of the epithelial tissue that lines the mouth and most of the esophagus?