NAME: ________________________

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5 Written Questions

5 Matching Questions

  1. 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.
  2. 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.
  3. 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.
  4. Which of the following is true about protein?
    A) It is made up of combinations of approximately 20 amino acids.
    B) It is made up of combinations of amino acids and fatty acids.
    C) It is unique in that it is the only dietary component that contains selenium.
    D) It is important primarily for increasing bone density.
  5. Approximately how many different amino acids are used in the synthesis of body proteins?
    A) 9
    B) 29
    C) 5
    D) 20
  1. a C - the size of his vital organs
  2. b C - it provides 7 kcal/g of energy
  3. c B
  4. d A
  5. e D - 20

5 Multiple Choice Questions

  1. A
  2. C - pepsin
  3. D - sickle cell anemia
  4. B
  5. D - acting as buffers

5 True/False Questions

  1. Treating a protein with acid, heat, or agitation will cause _______________, meaning that the three-dimensional structure of the protein has been altered (it unfolds).peptide


  2. The most reliable source of vitamin B12 for the vegan would be

    A) fortified soybean milk.
    B) cheese.
    C) milk.
    D) eggs.


  3. Today the best estimate for the amount of protein required for nearly all adults is _____ grams per kilogram body weight per day.
    A) 2
    B) 0.6
    C) 1.5
    D) 0.8
    D - 0.8


  4. _______________ is an important protein that acts as a hormone. It is produced by the beta cells of the pancreas.insulin


  5. Which of the following is a food that provides adequate amounts all of the essential amino acids?
    A) Peanut butter
    B) Navy beans
    C) Milk
    D) Wheat
    C - milk


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