Essential Fatty Acids in the Human Body
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Questions and Answers

What is the role of omega-3 fatty acids like EPA and DHA?

  • They are essential for the prevention and treatment of heart disease.
  • Both a and b (correct)
  • They are essential for kidney and liver function.
  • They are essential for normal growth and cognitive development, especially in the eyes and brain.

What is the primary member of the omega-3 family?

  • Eicosapentaenoic acid (EPA)
  • Linolenic acid (correct)
  • Arachidonic acid
  • Linoleic acid

What is the purpose of the enzyme lipoprotein lipase (LPL)?

  • It stores fat in the adipose tissue.
  • It hydrolyzes triglycerides from lipoproteins, producing glycerol, fatty acids, and monoglycerides that enter the adipose cells. (correct)
  • It regulates energy balance and influences several body functions.
  • It converts food fats to body fat.

What is the key difference between the liver's glycogen stores and the body's fat stores?

<p>The body's fat stores have unlimited capacity to store fat, thanks to the special cells of the adipose tissue. (C)</p> Signup and view all the answers

What is a potential consequence of a deficiency in omega-3 fatty acids (EPA and DHA)?

<p>All of the above. (D)</p> Signup and view all the answers

Why is fat-free milk not recommended for young children and infants?

<p>Fat-free milk contains no PUFA, which can lead to deficiency symptoms. (D)</p> Signup and view all the answers

Which of the following fatty acids can the human body not synthesize and must be obtained from the diet?

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

How does the body produce longer-chain fatty acids from the essential fatty acids?

<p>By desaturation and elongation (A)</p> Signup and view all the answers

What is the primary member of the omega-6 family of fatty acids?

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

What is the most effective way to maintain body supplies of omega-6 and omega-3 fatty acids?

<p>Obtain them directly from foods like vegetable oils, seeds, nuts, and fish (B)</p> Signup and view all the answers

What is the consequence of consuming too much of one family of essential fatty acids?

<p>It can create a deficiency of the other family's longer fatty acids (C)</p> Signup and view all the answers

If the body cannot obtain linoleic acid from the diet, what would become essential?

<p>Omega-6 PUFA 20:4 and other fatty acids derived from linoleic acid (D)</p> Signup and view all the answers

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