Medical Chemistry: Lipids and Their Functions

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Questions and Answers

What is the main function of neutral fats?

  • Supply the body with essential fatty acids
  • Serve as insulating material in the subcutaneous tissues
  • Serve as a fuel and are stored in specialized cells (correct)
  • Act as a medium for fat-soluble vitamins

Which type of lipids are esters of fatty acids with alcohols like glycerol?

  • Waxes
  • Compound or conjugated lipids
  • Fats and oils
  • Neutral lipids (correct)

What do phospholipids mainly contribute to in the body?

  • Building block in cell membrane (correct)
  • Serve as hormones, mediators, and second messengers
  • Supply the body with essential fatty acids
  • Act as mechanical, electrical, and thermal insulators

Which statement is true about the myelin sheath of the nerves?

<p>It is made of phospholipids (D)</p> Signup and view all the answers

What is the characteristic solubility property of most lipids?

<p>Insoluble in water and soluble in nonpolar solvents (C)</p> Signup and view all the answers

Which type of lipids contain other groups in addition to alcohols and fatty acids?

<p>Compound or conjugated lipids (D)</p> Signup and view all the answers

What are the examples of derived lipids?

<p>Sterol, Bile acid (C)</p> Signup and view all the answers

What is the myelin sheath of the nerves considered as?

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

From which macronutrient are nonessential fatty acids mainly formed de novo in the animal body?

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

What is obtained from the hydrolysis of fats?

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

What does the deficiency of essential fatty acids lead to?

<p>Dermatitis, fatty liver, impaired growth and reproduction (D)</p> Signup and view all the answers

What type of fatty acids are linoleic, linolenic, and arachidonic acids?

<p>Polyunsaturated fatty acids (D)</p> Signup and view all the answers

What is lauric acid considered as?

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

Which group of fatty acids includes those formed de novo in the animal body mainly from carbohydrates?

<p>Nonessential Fatty Acids (B)</p> Signup and view all the answers

What is the classification of fatty acids based on whether they are formed in the animal body or not?

<p>Essential Fatty Acids and Nonessential Fatty Acids (D)</p> Signup and view all the answers

What is the main function of neutral fats?

<p>Serving as a fuel stored in specialized cells (A)</p> Signup and view all the answers

Which type of lipids contain other groups in addition to alcohols and fatty acids?

<p>Compound or conjugated lipids (D)</p> Signup and view all the answers

What do phospholipids mainly contribute to in the body?

<p>Building block in cell membrane (C)</p> Signup and view all the answers

What are the examples of derived lipids?

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

What is obtained from the hydrolysis of fats?

<p>Fatty acids and glycerol (A)</p> Signup and view all the answers

Which type of lipids are produced by hydrolysis of the above two groups or present in association with them in nature?

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

What is the main result of the deficiency of essential fatty acids in the diet?

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

Which type of fatty acids are short, medium, or long chain monocarboxylic acids?

<p>Saturated fatty acids (A)</p> Signup and view all the answers

What is obtained from the hydrolysis of fats?

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

What is the classification of fatty acids based on whether they are formed in the animal body or not?

<p>Nonessential Fatty Acids (A)</p> Signup and view all the answers

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