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Questions and Answers

What is the role of bile salts in fat digestion?

  • They cluster around fat digestion products to form micelles. (correct)
  • They transport fatty acids directly into the bloodstream.
  • They directly digest fats into simpler molecules.
  • They convert long-chain fatty acids into short-chain fatty acids.

Which components are involved in forming chylomicrons?

  • Glycerol, vitamins, and water.
  • Amino acids, glucose, and cholesterol.
  • Fatty acids, bile salts, and phospholipids.
  • Triglycerides, cholesterol, and apolipoproteins. (correct)

How are long-chain fatty acids absorbed into the bloodstream?

  • They directly enter the blood vessel from the intestine.
  • They combine with bile salts to be absorbed.
  • They are converted into monoglycerides before absorption.
  • They are packaged into chylomicrons for transport. (correct)

What mechanism allows fat-soluble vitamins to be absorbed?

<p>Solubilization by bile salts and incorporation into chylomicrons. (D)</p> Signup and view all the answers

Where do chylomicrons first travel after absorption in the small intestine?

<p>Into the lymphatic vessels. (B)</p> Signup and view all the answers

What is the primary function of sphingolipids in the body?

<p>Cell recognition and adhesion (D)</p> Signup and view all the answers

Which of the following statements about steroids is correct?

<p>Cholesterol is a type of steroid found in the body. (D)</p> Signup and view all the answers

What impact does high cholesterol have on health?

<p>Can lead to heart attack and stroke (B)</p> Signup and view all the answers

What is the composition of a wax?

<p>A long-chain alcohol and a fatty acid (D)</p> Signup and view all the answers

Where does the majority of lipid digestion occur?

<p>In the small intestine (B)</p> Signup and view all the answers

What role do bile salts play in digestion?

<p>They emulsify fats for improved digestion. (C)</p> Signup and view all the answers

Which of the following enzymes initiates the digestion of triglycerides in the mouth?

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

What types of cholesterol are identified in the body?

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

What type of fatty acid contains no double bonds?

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

Which fatty acid is known for being essential for hormone synthesis?

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

What is the primary function of triacylglycerols in the body?

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

Glycerophospholipids are predominant in which part of the cell?

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

Which fatty acid type has multiple double bonds?

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

What characterizes a phospholipid?

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

Sphingolipids are primarily found in which part of the body?

<p>Central Nervous System (CNS) (D)</p> Signup and view all the answers

What is the structural formula of fatty acids?

<p>R-COOH (B)</p> Signup and view all the answers

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