Which of the following statements about the egg shell is false?
A. The calcium carbonate shell is 12% of an egg's weight.
B. Brown-shell eggs have a higher nutrient content than white-shell eggs.
C. Egg shells are not solid but contain thousands of small pores.
D. The protective cuticle is removed in commercially sold eggs; however, producers compensate for this loss by applying a coat of oil on the shell.
Answer: B
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A double-blind placebo-controlled study is
A) an idea generated by scientists based on their observations. B) research in which neither the subjects nor the scientists know which group received the treatment and which group received a placebo. C) a stepwise process used by scientists to identify effective placebos. D) research that involves looking at factors in two or more groups of subjects to see if there is a relationship to certain outcomes.
Anita has lately been suffering from skin rashes and thinks she might have a vitamin B deficiency. Without consulting a clinician, she consumes vitamin B supplements and large amounts of foods enriched with vitamin B. As a result, her physiological function gets impaired. In this scenario, Anita is most likely suffering from _____
A) nutritional adequacy B) nutritional toxicity C) undernutrition D) undernourishment
Individual state _______________ programs are expanding to serve lower-income Americans
Fill in the blank(s) with correct word
_____ helps maintain the strong acidity in the stomach and the appropriate balance of acids and bases in the blood
a. Phosphorus b. Selenium c. Chloride d. Sodium