BLG111: Anatomy & Physiology - Respiratory System Quiz
24 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 parasympathetic inputs to the gut?

  • Increase defecation
  • Inhibit digestion
  • Stimulate digestion (correct)
  • Decrease secretion of digestive enzymes

    • What is the significance of the hepatic portal circulation in relation to the digestive system?

  • It carries absorbed nutrients from the GI tract to the liver. (correct)
  • It helps in the contraction of intestinal smooth muscles.
  • It delivers oxygen to the gastrointestinal (GI) tract.
  • It regulates peritoneal fluid production.

    • Which nerve plexus is responsible for controlling glands and smooth muscles in the gastrointestinal (GI) tract?

  • Splanchnic nerve plexus
  • Enteric nerve plexus
  • Submucosal nerve plexus
  • Myenteric nerve plexus (correct)

    • Which of the following represents a retroperitoneal organ in the digestive system?

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

    How are short reflexes in the enteric nervous system different from long reflexes?

    <p>Short reflexes involve the autonomic nervous system (ANS).</p> Signup and view all the answers

    What is the function of the mesentery in the digestive system?

    <p>Support and stabilize the intestines</p> Signup and view all the answers

    What is the role of the vagus nerve in swallowing?

    <p>Involuntary phase of swallowing involving vagus nerve</p> Signup and view all the answers

    Which organ is not a part of the alimentary canal in the digestive system?

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

    What is a potential effect of PNS activation by chemo- and mechanoreceptors on salivary glands?

    <p>Stimulation of saliva production</p> Signup and view all the answers

    What is the primary function of the sublingual gland in the digestive system?

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

    What is the function of the parietal peritoneum in the abdominal cavity?

    <p>Lines the body wall</p> Signup and view all the answers

    Which part of the gastrointestinal tract is responsible for absorption from the lumen into blood or lymph?

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

    What is the role of the myenteric nerve plexus in controlling GI tract motility?

    <p>Coordinates long reflexes involving the autonomic nervous system</p> Signup and view all the answers

    What characterizes retroperitoneal organs in relation to the digestive system?

    <p>They are outside the peritoneal membrane lining the abdominal cavity</p> Signup and view all the answers

    What is the function of the cardiac sphincter in the digestive system?

    <p>Prevent reflux of stomach contents into the esophagus</p> Signup and view all the answers

    What is the primary purpose of salivation triggered by parasympathetic activation?

    <p>Lubricate food for easier swallowing</p> Signup and view all the answers

    How does the intrinsic factor secreted by the stomach play a crucial role in the body?

    <p>Enhances the absorption of vitamin B12 in the small intestine</p> Signup and view all the answers

    How do hormones from the stomach and small intestine affect digestive processes?

    <p>Promote secretion of digestive enzymes from pancreatic cells</p> Signup and view all the answers

    Which structure plays a significant role in initiating swallowing, speech, and taste?

    <p>Vallate papilla</p> Signup and view all the answers

    What is the function of filiform papillae on the tongue's surface?

    <p>Enhance friction and grip when moving food around</p> Signup and view all the answers

    Which gland produces a watery secretion that cleanses the mouth and aids in solvent action?

    <p>Parotid gland</p> Signup and view all the answers

    What type of teeth are characterized by broad crowns with rounded cusps used for grinding or crushing food?

    <p>(Bicuspids) Premolars</p> Signup and view all the answers

    What is the main function of saliva produced by salivary glands throughout the mouth?

    <p>Moisten and cleanse oral cavity structures</p> Signup and view all the answers

    How does the muscularis externa layer of the stomach contribute to its digestive function?

    <p>Mixes food with gastric juices through peristaltic contractions</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser