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5 Written questions

4 Matching questions

  1. Plant proteins do not match our needs for essential amino acids and therefore are called _______________ proteins.
  2. When protein consumption is in excess of body needs and energy needs are met, the excess amino acids are metabolized and the energy in the molecule is
    A) stored as glycogen and/or fat.
    B) stored as amino acids in the liver.
    C) excreted in the urine.
    D) stored as amino acids in muscle.
  3. Which of the following is not true about pepsin?
    A) Acid activates pepsin.
    B) Pepsin works best in an alkaline environment.
    C) Pepsin acts on food in the stomach.
    D) Amino acid chains are the digestive products of its action.
  4. All of the following are true of high quality protein except
    A) it can support body maintenance.
    B) it can support body growth.
    C) it provides 7 kcal/g of energy.
    D) it contains all essential amino acids.
  1. a B
  2. b incomplete
  3. c A
  4. d C - it provides 7 kcal/g of energy

5 Multiple choice questions

  1. C - Stomach and small intestine
  2. A
  3. C - milk
  4. C - pepsin
  5. B

5 True/False questions

  1. In proteins, amino acids are joined by _______________ bondsDenaturation

          

  2. Approximately how many different amino acids are used in the synthesis of body proteins?
    A) 9
    B) 29
    C) 5
    D) 20
    D - 20

          

  3. Johnny is 10 years old. He has had minimal protein intake for the last two years. He has just recently had surgery. What are the likely results of his deficient protein intake?
    A) His surgical wound will heal quickly and effectively, but he won't grow effectively.
    B) His surgical wound will heal effectively and he will grow normally because he can live off fat stores.
    C) The size of his vital organs, including his heart, liver, and muscles, will decrease.
    D) His surgical wound will not heal quickly and effectively, but he will grow effectively.
    C - the size of his vital organs

          

  4. Wilma is an alcoholic. Her liver has been damaged to such a degree that it cannot produce the appropriate blood proteins for fluid balance. She develops a condition called edema, which is
    A) cardiovascular disease.
    B) extreme thirst.
    C) loss of muscle mass.
    D) the build up of fluids in extracellular spaces.
    D - the build up of fluids in extracellular spaces

          

  5. All of the following are essential amino acids except
    A) lysine.
    B) methionine.
    C) threonine.
    D) alanine.
    C - it provides 7 kcal/g of energy

          

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