What is the function of iodine?
a. iodine increases blood pressure
b. iodine is an essential component of the thyroid hormones.
c. iodine decreases the basal metabolic rate.
d. iodine stimulates the synthesis of thyroid-stimulating hormones.
Ans: b. iodine is an essential component of the thyroid hormones.
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Josie is a cross-country runner. She completed a cross-country race 8 hours ago and has been sipping water since then. When she goes to the bathroom, she notices that her urine is dark in color. This is most likely a sign of:
A) blood in the urine. B) inadequate hydration. C) lack of protein in her body. D) sports anemia.
Which of the following is true of vitamin B6?
A) It is not found in animal-based foods. B) It is not toxic in high doses. C) It is destroyed by high temperatures. D) It is a fat-soluble vitamin.
Lactose intolerance is:
a. associated with cramping, diarrhea, and flatulence. b. not related to insufficient production of lactase. c. more common among Europeans than African, Native, or Asian Americans. d. associated with death within 6 months of diagnosis.
Compared to beer, an individual is more likely to get drunk if they have consumed
A) mixed drinks because they usually contain more than one standard drink. B) sugar-sweetened drinks. C) drinks which include carbonated beverages. D) binge drinks.