Anatomy of the Pancreas
40 Questions
0 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 approximate length of the pancreas?

  • Seven inches
  • Ten inches
  • Three inches
  • Five inches (correct)

    • What is the location of the head of the pancreas?

  • In the curve of the duodenum (correct)
  • In the small intestine
  • Near the spleen
  • Near the stomach

    • What percentage of the pancreas's function is dedicated to hormone secretion?

  • 5%
  • 1% (correct)
  • 20%
  • 10%

    • What is the primary function of the remaining 99% of the pancreas?

    <p>Aiding in digestion</p> Signup and view all the answers

    How many ducts extend through the pancreas?

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

    What is the name of the duct that fuses with the bile duct?

    <p>Main pancreatic duct</p> Signup and view all the answers

    What type of cells are responsible for pancreatic juice secretion?

    <p>Pancreatic acini</p> Signup and view all the answers

    What percentage of the gland is formed by the pancreatic acini?

    <p>99%</p> Signup and view all the answers

    What is the name of the smaller regions of the pancreas that account for about 1% of the gland?

    <p>Islets of Langerhans</p> Signup and view all the answers

    What is the location of the tail of the pancreas?

    <p>Near the spleen</p> Signup and view all the answers

    What is the primary function of sodium bicarbonate in pancreatic juices?

    <p>To neutralize acidic acid from the stomach</p> Signup and view all the answers

    Which enzyme is responsible for activating trypsinogen in the small intestine?

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

    What is the purpose of trypsin inhibitor in the pancreas?

    <p>To prevent accidental activation of trypsin</p> Signup and view all the answers

    Which hormone is released in response to very sugary chyme in the duodenum?

    <p>Gastric inhibitory peptide</p> Signup and view all the answers

    What is the function of pancreatic amylase?

    <p>To break down starches</p> Signup and view all the answers

    What is the primary function of CCK?

    <p>To stimulate secretion of pancreatic juices rich in enzymes</p> Signup and view all the answers

    How much pancreatic juice is secreted per day?

    <p>1-2 quarts</p> Signup and view all the answers

    What is the purpose of secretin?

    <p>To stimulate secretion of pancreatic juices rich in bicarbonate</p> Signup and view all the answers

    What is the function of ribonuclease and deoxyribonuclease?

    <p>To target DNA and RNA</p> Signup and view all the answers

    What is the pH of pancreatic juices?

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

    What is the primary reason for the alkaline pH of pancreatic juices?

    <p>To neutralize the acidic chyme from the stomach</p> Signup and view all the answers

    What is the role of enterokinase in the activation of pancreatic proteases?

    <p>It activates trypsinogen, which then activates other proteases</p> Signup and view all the answers

    Which of the following hormones is NOT involved in regulating pancreatic secretions?

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

    What is the role of trypsin inhibitor in the pancreas?

    <p>To inhibit the activation of trypsinogen</p> Signup and view all the answers

    What is the primary function of pancreatic lipase?

    <p>To break down lipids</p> Signup and view all the answers

    Which of the following statements about pancreatic proteases is FALSE?

    <p>They are all activated in the small intestine</p> Signup and view all the answers

    What is the role of gastric inhibitory peptide in regulating pancreatic secretions?

    <p>To stimulate the secretion of insulin</p> Signup and view all the answers

    What is the primary function of the pancreas in the digestive process?

    <p>To produce digestive enzymes that break down nutrients</p> Signup and view all the answers

    Which of the following is a characteristic of pancreatic proteases?

    <p>They are all precursor molecules</p> Signup and view all the answers

    What is the purpose of the three primary hormones that regulate pancreatic secretions?

    <p>To ensure the correct composition of pancreatic juices</p> Signup and view all the answers

    What is the main difference between the pancreatic acini and the islets of Langerhans?

    <p>Structure and staining characteristics</p> Signup and view all the answers

    How does the main pancreatic duct typically drain into the duodenum?

    <p>After fusion with the bile duct</p> Signup and view all the answers

    What is the functional significance of the pancreas's dual duct system?

    <p>Facilitating the fusion of pancreatic and bile ducts</p> Signup and view all the answers

    What is the approximate proportion of the pancreas dedicated to endocrine functions?

    <p>1%</p> Signup and view all the answers

    Where is the pancreas located in relation to the spleen?

    <p>The pancreas is nestled in the curve of the duodenum, near the spleen</p> Signup and view all the answers

    What is the primary function of the pancreatic juices produced by the pancreas?

    <p>Aid in digestion within the lumen of the small intestine</p> Signup and view all the answers

    How does the pancreas's structure relate to its function?

    <p>The pancreas's structure is primarily composed of pancreatic acini for pancreatic juice secretion</p> Signup and view all the answers

    What is the significance of the pancreas's dual function in digestion and hormone secretion?

    <p>It allows the pancreas to contribute to both digestion and glucose regulation</p> Signup and view all the answers

    What is the relationship between the pancreas and the duodenum?

    <p>The pancreas is nestled in the curve of the duodenum</p> Signup and view all the answers

    What is the primary significance of the pancreas's anatomical location?

    <p>It positions the pancreas to deliver its secretions into the duodenum</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser