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HEALTH 230 (Nutrition) BANK QUESTIONS AND ANSWERS QUEENS UNIVERSITY
What pH must the body maintain?
âœâ€Ã¢Å“â€7.35-7.45 pH
What three things regulate body pH?
âœâ€Ã¢Å“â€1. buffers
2. lungs
3. kidneys
What are the roles of sodium an how is it regulated?
âœâ€Ã¢Å“â€roles:
- maintains body fluid balance
- nerve impulse/muscle contraction
Regulation:
- travels freely in blood
- filtered out by kidneys
- high blood sodium triggers thirst
What are the sodium recommendations
âœâ€Ã¢Å“â€- AI: 1500mg
- UL: 2300mg
- 85% of men and between 63%-83% of women were above UL
- low sodium in food label is 140mg or less
what is the link between sodium and hypertension and osteoporosis
âœâ€Ã¢Å“â€hypertension:
- high salt intake causes increase in blood pressure
osteoporosis:
- high sodium intake causes increased calcium excretion
HEALTH 230 Nutrition BANK QUESTIONS AND ANSWERS QUEENS UNIVERSITY
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