Please help me to answer all of these questions (not just 1, pls): 2. Calcium present in body fluids performs all of the following roles except: A. Participating in blood clotting B. Activating cellular enzymes C. Maintaining high blood pressure D. Facilitating muscle contraction E. Regulating the transport of ions across cell membranes 3. Magnesium and calcium work together to: A. Maintain the acid-base balance in body cells B. Regulate the contraction and relaxation of muscles C. Transport proteins through the blood D. Control blood glucose levels E. Cause bone demineralization 4. Which agency is responsible for maintaining the safety standards of bottled water in the US? A. NHANES B. FDA C. USDA D. EPA E. WHO 5. During outdoor physical activity, the body maintains its temperature by: A. Directing blood to the body's core for cooling B. Sweating to release body heat C. Passing inhaled oxygen from the lungs to the blood D. Using metabolic water as a coolant E. Urinating to remove excess body water 6. What would you consume with an iron-rich diet in order to enhance iron absorption? A. Coffee and wheat-bran muffins B. Calcium supplement and whole-wheat bread C. High-fiber cereal and milk D. Tomato and meat, or eggs E. Tea and a soy protein hamburger 7. Which of the following substances inhibits iron absorption? A. Heme B. Vitamin C C. Sodium D. MFP factor E. Phytic acid 8. What medical supervision is advised for a person suffering from chronic vomiting or diarrhea? A. To prevent internal hemorrhage B. To prevent aggravation of hypertension C. To prevent infection by opportunistic bacteria D. To prevent renal failure E. To prevent fluid and electrolyte imbalance
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