NTR 301 EXAM 4 STUDY GUIDE

NTR 301 EXAM 4 STUDY GUIDE water - Ans:-most essential nutrient because we can live without it for the shortest amount of time water content of different body tissues - Ans:-muscle - 75% bone - 25% fat - 20-25% teeth - 10% water content in men - Ans:-60% water content in women - Ans:-50% water content in newborns - Ans:-70% functions of water in the body - Ans:-- provide structure - acts as a solvent - acts as a catalyst - transports compounds ©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER 2024 Page 2/10 - acts as a lubricant - control body temperature symptoms of dehydration in mild cases - Ans:-get more severe as % of body weight loss thirst, headache, dry mouth, impaired physical performance, flushed skin, sleepinesss, difficulty concentrating symptoms of dehydration in severe cases - Ans:-swollen tongue, inability to balance with eyes closed, delirium, inability of blood to circulate properly, failing kidney function thirst - Ans:-tells use when to start drinking, but quenching your thirst is not a good indicator of complete fluid replacement thirst sensitivity - Ans:-decreases with increasing ages - older adults are at risk for dehydration routes of water loss - Ans:-feces, insensible loss, sweat, urine gauging level of hydration - Ans:-best way by which the body conserves water is by cutting back on losses via urina *urine color is the best way to gauge your level of hydration* ©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER 2024 Page 3/10 who is ask highest risk for dehydration - Ans:-infants: lose water rapidly through skin seniors: sense of thirst decreases with age how does the body conserve water - Ans:- DRI for water - Ans:-*80% of daily water intake will come from fluids* *20% from solid food* DRI for water: WOMEN - Ans:-2.7 liters or 91 ounces or 11 cups, *80% = 70 ounces* DRI for water: MEN - Ans:-3.7 liters or 125 ounces or 16 cups, *80% = 100 ounces* minerals - Ans:-divided up into two categories, based on their relative amounts in the body major essential minerals - Ans:-present in the body