Lipids: Function and Chemistry

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Questions and Answers

Which lipid function involves serving as energy stores?

  • Energy storage (correct)
  • Intracellular signaling events
  • Lipid metabolism disorders
  • Formation of biological membranes

What is the main defining characteristic of lipids based on solubility?

  • Organic
  • Hydrophilic
  • Water-soluble
  • Hydrophobic (correct)

What is the clinical manifestation of prolonged hyperlipidaemia?

  • Corneal damage
  • Atheromatous plaques in arterial walls (correct)
  • Xanthomatosis in subcutaneous tissue
  • Lipid accumulation in tendons

What causes atherosclerosis in individuals with lipid disorders?

<p>Fibrous tissue formation (A)</p> Signup and view all the answers

Which small lipoproteins are considered atherogenic and contribute to lipid disorders?

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

What is the main consequence of lipid accumulation in subcutaneous tissue?

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

Which lipid fraction is associated with eruptive xanthomata?

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

Where do tendinous xanthomata typically occur in familial hypercholesterolaemia?

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

What lipid fraction is associated with xanthelasma?

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

Where does corneal arcus typically present in relation to age?

<p>30-40 years (A)</p> Signup and view all the answers

What plasma lipid concentration must fall to normal for eruptive xanthomata to disappear?

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

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