Human Anatomy: Large Intestine Structure and Function
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Questions and Answers

What is the approximate diameter of the large intestine?

  • 1.5 inches
  • 3.5 inches
  • 2.5 inches (correct)
  • 4.5 inches

What separates the small intestine from the large intestine?

  • Ileocecal valve (correct)
  • Anal sphincter
  • Taenia coli
  • Appendix

Where is the gall bladder located?

  • In the stomach
  • Immediately under the diaphragm (correct)
  • In the pancreas
  • In the curve of the duodenum

What are the three longitudinal bands of muscle tissue found on the outer surface of the large intestine?

<p>Taenia coli (B)</p> Signup and view all the answers

How much bile can the liver hold?

<p>30-50 ml (B)</p> Signup and view all the answers

What is the function of the large intestine in terms of water absorption?

<p>Absorbs water as needed by the body (A)</p> Signup and view all the answers

What is the main function of the pancreas?

<p>Producing digestive enzymes (B)</p> Signup and view all the answers

What is the name of the blind-ended sac that extends from the point of attachment to the small intestine?

<p>Cecum (C)</p> Signup and view all the answers

What type of muscle makes up the external anal sphincter?

<p>Skeletal muscle (B)</p> Signup and view all the answers

What is the function of the falciform ligament?

<p>Separating the two lobes of the liver (B)</p> Signup and view all the answers

How much bile is produced daily?

<p>0.6-1.2 L (B)</p> Signup and view all the answers

What is the function of the hepatic artery?

<p>Supplying oxygenated blood to the liver (A)</p> Signup and view all the answers

What is the primary function of tight junctions between epithelial cells?

<p>To prevent substances from moving between cells (D)</p> Signup and view all the answers

What is the approximate surface area of the intestinal epithelial cells?

<p>0.33 m2 (B)</p> Signup and view all the answers

What is the primary mechanism of absorption for glucose and amino acids?

<p>Active transport (C)</p> Signup and view all the answers

What is the term for the finger-like projections on the intestinal epithelial cells that increase the surface area for absorption?

<p>Villi (A)</p> Signup and view all the answers

What is the term for the process by which large molecules are absorbed by the intestinal epithelial cells?

<p>Pinocytosis (B)</p> Signup and view all the answers

What is the approximate percentage of bacteria in feces?

<p>50% (C)</p> Signup and view all the answers

What is the most common digestive complaint of older people?

<p>Constipation (A)</p> Signup and view all the answers

What can lead to dependency and upset body's fluid balance?

<p>Frequent use of laxatives and enemas (C)</p> Signup and view all the answers

What can cause damage and infection of the esophagus, pharynx, or salivary glands?

<p>Bulimia (A)</p> Signup and view all the answers

What can contribute to belching?

<p>Carbonated drinks and chewing gum (A)</p> Signup and view all the answers

What can be a sign of a more serious disorder?

<p>Belching (C)</p> Signup and view all the answers

What can lead to pernicious anemia?

<p>Common Bile Duct (D)</p> Signup and view all the answers

What can trigger repeated spasms of the diaphragm?

<p>Eating or drinking too fast (B)</p> Signup and view all the answers

What is the main danger associated with diarrhea?

<p>Fluid loss (A)</p> Signup and view all the answers

How much gas is normally expelled per day?

<p>500ml of gas/day (D)</p> Signup and view all the answers

What can cause constipation?

<p>Inadequate water intake (D)</p> Signup and view all the answers

What is the term for the compulsion to swallow non-food items?

<p>Pica (B)</p> Signup and view all the answers

What is heartburn often controlled by?

<p>Increase in fiber (B)</p> Signup and view all the answers

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