Which of the following is true of fluoride?
a. A deficiency causes the condition fluorosis.
b. Toxicity is unknown.
c. A deficiency can lead to pica.
d. It is added to about 25 percent of community water systems in the United States.
e. It makes teeth stronger and more resistant to decay.
Answer: E
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Deficiency of the active form of vitamin D is associated with impaired intestinal calcium absorption and secondary _______________.
Fill in the blank(s) with the appropriate word(s).
In laboratory blood tests, the marker that indicates the degree of inflammation is called
A) reactive oxygen species (ROS). B) selenomethionine. C) C-reactive protein. D) iodopsin.
Which blood pressure reading is indicative of prehypertension?
A) 117/80 mm Hg B) 125/80 mm Hg C) 140/90 mm Hg D) 140/80 mm Hg
All of the following are true regarding water intake and exercise EXCEPT:
a. urine should be pale yellow in color. b. hot and humid climates increase the body's need for water. c. physical activity increases the body's need for water. d. the amount of water lost during exercise is equivalent to the amount of weight gained.