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Author Question: The number of double bonds present in the fatty acid chain determines the a. number of fatty ... (Read 310 times)

Tirant22

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on: Aug 2, 2018
The number of double bonds present in the fatty acid chain determines the
 
  a. number of fatty acids attached to the gly-cerol molecule.
  b. number of glycerol molecules attached to the fatty acid.
  c. degree of saturation or unsaturation of a fatty acid.
  d. degree of saturation or unsaturation of the glycerol molecule.

Question 2

Mrs. Y. comes in to clinic with her son, 17-year-old John. They live in a rural area and use a drilled well as their home water source. The provider prescribed fluoride for John several visits ago.
 
  When reviewing John's medication list the nurse notices that he also takes several dietary supplements including calcium and vitamins C and vitamin B12. The nurse informed him that taking calcium and fluoride together at the same time can result in: 1. Decreased fluoride absorption
   2. Increased fluoride absorption
   3. Increased calcium absorption
   4. Decreased calcium absorption


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mcni194

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Reply #1 on: Aug 2, 2018
Answer to Question 1

C
The number of double bonds in a fatty acid chain determines the degree of saturation or unsatu-ration of a fatty acid. The number of fatty acids attached to the glycerol molecule determines whether it is a monoglyceride (one fatty acid), diglyceride (two fatty acids), or triglyceride (three fatty acids). There is never more than one glycerol molecule attached to a fatty acid and glycerol molecules do not vary in their degree of saturation or unsaturation.

Answer to Question 2

1
Rationale: Co-administration of calcium and fluoride can result in 1025 decreased absorption of fluoride since they compete for the same binding sites. Inadequate fluoride has been shown to increase the risk for dental caries. Calcium is needed to maintain bone mineral density, and decreased levels could lead to osteoporosis.


Tirant22

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Reply #2 on: Aug 2, 2018
Thank you!


mcni194

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Reply #3 on: Aug 2, 2018
Always glad to help...


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