Podcast
Questions and Answers
What is the total length of the alimentary canal (gastrointestinal tract)?
What is the total length of the alimentary canal (gastrointestinal tract)?
- 25-35 feet (correct)
- 30-40 feet
- 20-30 feet
- 35-45 feet
Which layer of the alimentary canal wall contains smooth muscle that increases surface area?
Which layer of the alimentary canal wall contains smooth muscle that increases surface area?
- Submucosa
- Mucosa
- Muscularis mucosa (correct)
- Muscularis
What is the function of the goblet cells in the epithelium layer?
What is the function of the goblet cells in the epithelium layer?
- Release hormones
- Keep the area moist (correct)
- Increase surface area
- Replenish the epithelium
Which of the following is NOT an accessory organ of the digestive system?
Which of the following is NOT an accessory organ of the digestive system?
Which layer of the alimentary canal wall contains blood and lymphatic vessels, as well as glands and nerves?
Which layer of the alimentary canal wall contains blood and lymphatic vessels, as well as glands and nerves?
What is the function of the skeletal muscle at the ends of the alimentary canal?
What is the function of the skeletal muscle at the ends of the alimentary canal?
What is the function of the hepatic portal system?
What is the function of the hepatic portal system?
Which glands secrete saliva containing IgA, making it antimicrobial?
Which glands secrete saliva containing IgA, making it antimicrobial?
What is the function of lingual lipase in digestion?
What is the function of lingual lipase in digestion?
Which part of the tooth is located within the gum and contains the pulp cavity?
Which part of the tooth is located within the gum and contains the pulp cavity?
What is the primary role of sphincters in the digestive system?
What is the primary role of sphincters in the digestive system?
Which phase of swallowing occurs involuntarily under control of the medulla oblongata?
Which phase of swallowing occurs involuntarily under control of the medulla oblongata?
What is peristalsis?
What is peristalsis?
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