Trace minerals in the body, although small in quantity, play ...

[Metfan725]

Trace minerals in the body, although small in quantity, play large roles in its functioning. Trace minerals have been hard to study because of what factor?
 
  A) Food composition data are not necessary for all trace minerals.
  B) Bioavailability varies within the context of the total diet.
  C) The comparability of trace mineral content of foods is high.
  D) Reliable and valid indicators of trace element status are readily available.

Question 2

Mr. D, a 62-year-old retired client has poorly controlled hypertension. Today his blood pressure was 191/96 mmHG.
 
  After the nurse reviewed his diet history she identified several foods that could affect his blood pressure including: (Select all that apply.) 1. Coffee.
   2. Ham sandwich with potato chips.
   3. Ice cream.
   4. Bacon and eggs.
   5. Bananas.

[sarajane1989]

Answer to Question 1

B
Feedback:
Various factors complicate the study of trace minerals. They include high variability of trace mineral content, food composition data are not available for all trace minerals, bioavailability varies within the context of the total diet, and reliable and valid indicators of trace elements status are not available.

Answer to Question 2

1, 2, 4
Rationale: Caffeine is the most widely used central nervous stimulant in the world and can adversely affect blood pressure. Foods with a high sodium content such as ham, potato chips, and bacon also cause an elevated blood pressure by decreasing the amount of water eliminated in urine. Ice cream and bananas would not affect blood pressure.

[Metfan725]

Excellent

[epscape]

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