Digestion, Absorption, and Metabolism Quiz
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Questions and Answers

What is the primary source of energy derived from?

  • Amino acids
  • Fatty acids (correct)
  • Glycerol
  • Carbohydrates

What is the byproduct of beta-oxidation?

  • Glycerol
  • Pyruvate
  • Ketones
  • Acetyl CoA (correct)

What is the fate of deaminated amino acids?

  • They are excreted in the urine
  • They are used to synthesize new proteins
  • They form pyruvate, acetyl CoA, or citric acid cycle intermediates (correct)
  • They are stored in fat tissue

What is the result of a very low carb diet?

<p>Increased fatty acid oxidation (B)</p> Signup and view all the answers

What is the fate of excess energy consumed?

<p>It is stored as lipid in fat tissue (C)</p> Signup and view all the answers

How many possibilities are there for what remains after deamination of amino acids?

<p>21 (A)</p> Signup and view all the answers

What is the first step in amino acid metabolism?

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

What is the byproduct of fatty acid oxidation?

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

What is the purpose of beta-oxidation?

<p>To break down fatty acids (D)</p> Signup and view all the answers

What is the primary function of the microvilli on the surface of villi?

<p>To increase the surface area for absorption (B)</p> Signup and view all the answers

What is the term for the collective extensions on the surface of villi?

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

Which of the following is NOT a component of pancreatic juice?

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

What is the primary function of the pancreatic juice secreted by the pancreas?

<p>To digest nutrients in the small intestine (D)</p> Signup and view all the answers

What is the role of the gallbladder in the digestive process?

<p>To store bile produced by the liver (D)</p> Signup and view all the answers

What is the primary location where nutrients are absorbed into the bloodstream?

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

Which of the following enzymes is responsible for digesting carbohydrates?

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

What is the function of bicarbonate in pancreatic juice?

<p>To neutralize chyme (B)</p> Signup and view all the answers

Which organ produces bile that is stored in the gallbladder?

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

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