Digestive System Anatomy
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Questions and Answers

What type of epithelium is found in the rectum?

  • Ciliated columnar epithelium
  • Pseudostratified epithelium
  • Non-keratinized stratified squamous epithelium (correct)
  • Simple columnar epithelium with no villi

Which muscle type is responsible for the voluntary action of the external anal sphincter?

  • Smooth muscle
  • Skeletal muscle (correct)
  • Cardiac muscle
  • Epithelial muscle

What is the primary function of the Islets of Langerhans in the pancreas?

  • Secretion of insulin and glucagon (correct)
  • Production of glycogen
  • Storage of bile
  • Secretion of digestive enzymes

How many lobes does the liver have?

<p>4 (D)</p> Signup and view all the answers

What is the main function of the hepatic portal vein?

<p>To bring nutrient-rich blood from the abdominal organs to the liver (C)</p> Signup and view all the answers

What is the term for the cells of the liver?

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

What is the function of the liver in terms of glucose metabolism?

<p>To regulate blood sugar levels by converting glucose to glycogen and vice versa (C)</p> Signup and view all the answers

What is the weight of the liver in pounds?

<p>3.5-4.0 (A)</p> Signup and view all the answers

What is the function of the gallbladder?

<p>To store bile (A)</p> Signup and view all the answers

How many enzymes are produced by the exocrine pancreas?

<p>22 (A)</p> Signup and view all the answers

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