NTR 301 Test #4 Questions and Answers
Water - Ans:-Most abundant nutrient in the body
60%; 50% - Ans:-Men are ~_____ water by weight; women are ~_____ water by weight
They have more muscle - Ans:-Why do men contain more water than women in their bodies?
1. Provides structure: makes up cytoplasm...
2. Osmoreceptors signal pituitary gland to release antidiuretic hormone (ADH)
3. ADH signals kidneys to conserve water, which dilutes blood plasma
4. Also triggers kidneys to increase production of angiotension II, stimulating thirst. It also stimulates
adrenal glands to release aldosterone
5. Aldosterone signals kidneys to retain sodium, and this sodium goes back into blood - Ans:✔✔-How
does the body conserve water in the face of increasing losses?
~80% of daily intake is from fluids and ~20% is from solid foods - Ans:✔✔-What does the DRI for water
assume?
-Men: 3.7 L or 125 oz; 80% = 100 oz
-Women: 2.7 L or 91 oz; 80% = 70 oz - Ans:✔✔-DRI for water
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