Digestive System

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Digestive System Quizzes & Trivia
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  • 1. 
    Major Organs of the digestive system include all of the following except;
    • A. 

      Spleen

    • B. 

      Stomach

    • C. 

      Esophagus

    • D. 

      Pancreas


  • 2. 
    Waves of muscular contractions that propel contents of the digestive tract distally are called
    • A. 

      Gastric segmentation

    • B. 

      Peristalsis

    • C. 

      Mastication

    • D. 

      Muscular movements


  • 3. 
    Salivary glands secrete which of the following enzymes?
    • A. 

      Lingual lipase

    • B. 

      Protease

    • C. 

      Intrinsic factor

    • D. 

      Amylase


  • 4. 
    The root of a tooth is covered by the
    • A. 

      Enamel

    • B. 

      Dentin

    • C. 

      Cementum

    • D. 

      Pulp


  • 5. 
    The phase of swallowing that is voluntary is the ___________ phase.
    • A. 

      Pharyngeal

    • B. 

      Buccal

    • C. 

      Laryngeal

    • D. 

      Esophageal


  • 6. 
    The term given to the soupy mixture of digested nutrients, enzymes and acid in the stomach is
    • A. 

      Rugae

    • B. 

      Chyme

    • C. 

      Gastric soup


  • 7. 
    Glandular cells in the stomach that produce HCl and intrinsic factor are ____ cells.
    • A. 

      Parietal

    • B. 

      Chief

    • C. 

      Obestatin

    • D. 

      Somatostatin


  • 8. 
    A low pH in the stomach is necessary for
    • A. 

      Killing microbes

    • B. 

      Denaturation of proteins

    • C. 

      Breaking down plant cell walls

    • D. 

      All of the above


  • 9. 
    In the gastric phase of digestion________ is necessary for the breaking down of lipids
    • A. 

      Chief cells

    • B. 

      Lingual lipase

    • C. 

      Protease

    • D. 

      Intrinsic factor


  • 10. 
    In the intestinal phase of digestion should the duodenum detect a decrease in pH below 4.5
    • A. 

      Buffer secretions will be inhibited

    • B. 

      Secretin is release to inhibit parietal cell activity

    • C. 

      The pyloric valve will immediately close

    • D. 

      Gastric contractions will be affected by the enteric nervous system


  • 11. 
    Bile is produced in the
    • A. 

      Gall bladder

    • B. 

      Pancreas

    • C. 

      Small intestine

    • D. 

      Liver


  • 12. 
    The liver performs all of the following functions EXCEPT
    • A. 

      Regulates blood glucose and lipid levels

    • B. 

      Store iron and fat soluable vitamins

    • C. 

      Produces RBC's if blood oxygen levels are too low

    • D. 

      Removes antibodies, toxins, and hormones from the blood


  • 13. 
    Which of the following is an accessory organ of digestion?
    • A. 

      Stomach

    • B. 

      Pancreas

    • C. 

      Spleen

    • D. 

      Colon


  • 14. 
    Digestion refers to the
    • A. 

      Chemical breakdown of food

    • B. 

      Input of food into digestive tract

    • C. 

      Absorptions of nutrients

    • D. 

      Mixing of nutrients with digestive enzymes


  • 15. 
    Which of the following is not a digestive function
    • A. 

      Mechanical processing

    • B. 

      Absorption

    • C. 

      Compaction

    • D. 

      Filtration


  • 16. 
    The lamina propria and muscous epithelium are components of the
    • A. 

      Serosa

    • B. 

      Mucosa

    • C. 

      Submucosa

    • D. 

      Muscularis mucosa


  • 17. 
    The myenteric plexus is
    • A. 

      A layer of circular smooth muscle

    • B. 

      A layer of longitudinal smooth muscle

    • C. 

      A network of neurons

    • D. 

      Primarily composed of connective tissue


  • 18. 
    Contraction of the ________ alters the shape of the intestinal lumen and moves epithleial pleats and folds
    • A. 

      Mucosa

    • B. 

      Muscularis mucosa

    • C. 

      Adventitia

    • D. 

      Submucosal plexus


  • 19. 
    Large bllod vessels and lymphatics are found in the
    • A. 

      Mucosa

    • B. 

      Submucosa

    • C. 

      Serosa

    • D. 

      Muscularis


  • 20. 
    A stratified squamous epithelial linning can be found in all of the following EXCEPT in the
    • A. 

      Rectum

    • B. 

      Esophagus

    • C. 

      Stomach

    • D. 

      Oropharynx


  • 21. 
    A modification of the digestive epithelium that allows expansion of the organ is the presence of
    • A. 

      Flat surfaces

    • B. 

      Folds of pleats

    • C. 

      Mucous glands

    • D. 

      Large amounts of skeletal muscle


  • 22. 
    The ________ gland empties into the oral cavity at the level of the second upper molar
    • A. 

      Submaxillary

    • B. 

      Submandibular

    • C. 

      Parotid

    • D. 

      Sublingual


  • 23. 
    The bulk of each tooth consists of a mineralized matrix similar to the of bone called
    • A. 

      Enamel

    • B. 

      Cementum

    • C. 

      Dentin

    • D. 

      Pulp


  • 24. 
    The portion of the tooth that recieves blood vessels and nerves is the
    • A. 

      Enamel

    • B. 

      Dentin

    • C. 

      Pulp

    • D. 

      Cementum


  • 25. 
    The passageway between the oral cavity and the pharynx is the
    • A. 

      Uvula

    • B. 

      Phayngeal arch

    • C. 

      Fauces


  • 26. 
    The root of the tooth is covered by
    • A. 

      Cementum

    • B. 

      Dentin

    • C. 

      Pulp

    • D. 

      Enamel


  • 27. 
    The connection of the anterior portion of the tongue to the underlying epithelium is the
    • A. 

      Uvula

    • B. 

      Faux

    • C. 

      Lingual frenulum

    • D. 

      Labial frenulum


  • 28. 
    The uvula is located at the
    • A. 

      Posterior of the tongue

    • B. 

      Margin of vestibule

    • C. 

      Base of tooth

    • D. 

      Posterior margin of the soft palate


  • 29. 
    _______ are blade-shaped teeth that function in cutting or chopping
    • A. 

      Canines

    • B. 

      Bicuspids

    • C. 

      Cuspids

    • D. 

      Incisors


  • 30. 
    ___________ are pointed teeth that are adapted for tearing and shredding
    • A. 

      Incisors

    • B. 

      Bicuspids

    • C. 

      Wisdom teeth

    • D. 

      Cuspids


  • 31. 
    ______ teeth are with flattened crowns and prominent ridges that  are adapted for grinding
    • A. 

      Molars

    • B. 

      Cuspids

    • C. 

      Eye teeth

    • D. 

      Canines


  • 32. 
    Chief cells secrete
    • A. 

      Pepsinogen

    • B. 

      Gastrin

    • C. 

      Mucous

    • D. 

      Hydrochloric acid


  • 33. 
    The portion of the stomach that connects to the esophagus is the
    • A. 

      Fondus

    • B. 

      Cardia

    • C. 

      Body

    • D. 

      Antrum


  • 34. 
    The buldge of the greater curvature of the stomach superior to the esophageal junction is the
    • A. 

      Cardia

    • B. 

      Pylorus

    • C. 

      Fundus

    • D. 

      Body


  • 35. 
    The prominent ridges in the lining of the stomach are calles
    • A. 

      Cardia

    • B. 

      Papillae

    • C. 

      Rugae

    • D. 

      Villi


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