Essential Fatty Acids in Biomedical Importance
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Questions and Answers

What is the dietary source of Linoleic acid?

  • Corn oil, peanut oil, cottonseed oil, soya bean oil, egg yolk (correct)
  • Sunflower oil, sesame oil, canola oil, almond oil
  • Olive oil, avocado oil, coconut oil, palm oil
  • Linseed oil, rapeseed oil, soya bean oil, fish oil

What structural elements of tissues are associated with higher concentration of PUFA (Polyunsaturated Fatty Acids)?

  • Mitochondrial membrane and lipid droplets (correct)
  • Nuclei and endoplasmic reticulum
  • Golgi apparatus and lysosomes
  • Cell membrane and cytoplasm

Which enzyme system synthesizes Eicosanoids from arachidonic acid?

  • Cyclooxygenase (correct)
  • Lipoxygenase
  • Phospholipase
  • Lipase

How do fats with high content of PUFA (Polyunsaturated Fatty Acids) affect serum cholesterol and TAG levels?

<p>Lower serum cholesterol and TAG levels (A)</p> Signup and view all the answers

What is the result of a deficiency of EFA (Essential Fatty Acids) on mitochondrial membrane?

<p>Reduction in efficiency of oxidative phosphorylation (A)</p> Signup and view all the answers

Which PUFA is the most abundant in retinal photoreceptor membranes and is synthesized from α Linolenic acid?

<p>$\omega 3$ DHA (Docosahexaenoic Acid) (B)</p> Signup and view all the answers

How does a deficiency of EFA affect the skin?

<p>Causes dry and scaly dermatitis (C)</p> Signup and view all the answers

What is the result of ingesting fats rich in EFA on fibrinolytic activity?

<p>Increase in fibrinolytic activity (A)</p> Signup and view all the answers

What unusual fatty acid is formed when ω 6 EFA Linoleic acid covalently binds another FA attached to cerebrosides in the skin?

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

What effect does ingestion of fats rich in EFA have on clotting time?

<p>Prolongs clotting time (D)</p> Signup and view all the answers

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