Scientists are uncertain whether ________ is an essential mineral for humans.
A. chromium
B. potassium
C. vanadium
D. magnesium
Answer: C
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If Food A provides 10 grams of fat and 5 grams of protein, and Food B provides 5 grams of fat and 10 grams of protein, Food A will provide _____ percent of the number of total kcalories provided by Food B
a. 129 b. 100 c. 77 d. 55
How many days per week are children encouraged to participate in exercises that strengthen their bones?
a. 2 b. 3 c. 4 d. 5 e. 7
Among the key barriers to breastfeeding as identified by the 2011 Surgeon General's Call to Action to Support Breastfeeding are _____
a. overconfident mothers b. lack of research on breastfeeding benefits c. the milk industry d. poor family and social support e. obesity in exclusively breastfed children
Which organ senses the body's blood pressure?
a. Heart b. Kidney c. Liver d. Pancreas