Seth took part in a clinical trial in which he was given a month's supply of medication to treat his headaches. At the end of the month, he reported to his doctor that the pills had reduced both the frequency and intensity of his pain
Unknown to Seth or to his doctor was the fact that Seth had been given pills with no active ingredient. The phenomenon of improved symptoms that Seth experienced is commonly known as the
A) bias toward improvement. B) placebo effect.
C) experimental result. D) study participant bias.
B
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The increased needs for _______ during pregnancy cannot be met by diet or existing stores so supplements are recommended.
a. protein b. calcium c. iron d. zinc e. vitamin B12
Which is a true statement concerning fats?
a. infants need a higher percentage of their daily calories from fat than children and adults b. breast milk is lower in fat than standard infant formulas c. long-chain fatty acids are not needed for healthy infants in the first year d. fat restriction can be initiated in the first year for infants who were born at term
What would be the best way for Denarius to modify his prize-winning chili recipe to make its protein content more healthful?
a. Replace the canned diced tomatoes with fresh diced tomatoes b. Replace the extra lean ground beef with ground turkey (with the skin ground in) c. Reduce the amount of kidney beans and add more ground beef d. Reduce the amount of ground beef and add more kidney beans and celery
Some young adult amenorrheic distance runners and ballerinas may have osteopenia and osteoporosis, conditions generally associated with older women
Indicate whether the statement is true or false