Biology Forums - Study Force

Which of the following herbal ingredients is associated with the potential risks of high blood
  pressure, irregular heartbeat, and heart attack?
 
  A) comfrey B) wormwood C) kava D) ephedra

Q. 2

Trabecular bone has a faster turnover rate than cortical bone.
 
  Indicate whether the statement is true or false

Q. 3

Which of the following provides about half of the Recommended Daily Allowance (RD
 
  A) for
  calcium?
  A) 1 oz Swiss cheese B) 8 fl oz nonfat milk
  C) 8 oz plain, nonfat yogurt D)   block of fortified soft tofu

Q. 4

Which of the following statements is FALSE?
 
  A) There are no rules to limit the amount of a nutrient in any dietary supplement.
  B) All supplements sold in the U.S. must contain the U.S.P. symbol.
  C) Dietary supplements do not need approval from the FDA before they are marketed.
  D) There are no federal guidelines to ensure the purity, safety, and quality of supplements.

Q. 5

Taking vitamin E or K supplements can be harmful for
 
  A) elderly people. B) newborns.
  C) people who take Coumadin. D) people on prolonged weight-loss diets.

Q. 6

Which of the following is NOT a good source of vitamin K?
 
  A) spinach B) soybean oil
  C) intestinal bacteria D) exposure to sunlight

Q. 7

Prothrombin and factor VII, critical in the coagulation of blood, are synthesized in part by the
  coenzyme
 
  A) vitamin K. B) thiamin. C) folate. D) vitamin B12.

Q. 8

The ideal nutritional strategy for optimizing health is to
 
  A) eat a healthful diet containing a variety of whole foods.
  B) eat a healthful diet but take a one-a-day supplement to be sure.
  C) eat foods you like and take a one-a-day supplement.
  D) eat what you want but take a supplement containing 100 or more of recommended
  levels.

Q. 9

Which of the following is NOT true about herbal supplements?
 
  A) Some supplements have been found to be contaminated with lead.
  B) Some herbs are effective medicines.
  C) Many of the active ingredients in herbal supplements are not known.
  D) More than half of U.S. adults take a dietary supplement with herbal ingredients.

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