NTR 301 EXAM 4 WITH
SOLUTION
Water - ANSWER most essential nutrient because we can live without it for
the shortest amount of time
water content of different body tissues - ANSWER muscle - 75%
bone - 25%
fat - 20-25%
teeth - 10%
water content in men - ANSWER 60%
water content in women - ANSWER 50%
water content in newborns - ANSWER 70%
functions of water in the body - ANSWER - provide structure
- acts as a solvent
- acts as a catalyst
- transports compounds
- acts as a lubricant
- control body temperature
symptoms of dehydration in mild cases - ANSWER 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 - ANSWER swollen tongue, inability
to balance with eyes closed, delirium, inability of blood to circulate properly,
failing kidney function
thirst - ANSWER tells use when to start drinking, but quenching your thirst is
not a good indicator of complete fluid replacement
thirst sensitivity - ANSWER decreases with increasing ages
- older adults are at risk for dehydration
routes of water loss - ANSWER feces, insensible loss, sweat, urine
gauging level of hydration - ANSWER 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*
who is ask highest risk for dehydration - ANSWER infants: lose water rapidly
through skin
seniors: sense of thirst decreases with age
how does the body conserve water - ANSWER
DRI for water - ANSWER *80% of daily water intake will come from fluids*
*20% from solid food*
DRI for water: WOMEN - ANSWER 2.7 liters or 91 ounces or 11 cups, *80% =
70 ounces*
DRI for water: MEN - ANSWER 3.7 liters or 125 ounces or 16 cups, *80% =
SOLUTION
Water - ANSWER most essential nutrient because we can live without it for
the shortest amount of time
water content of different body tissues - ANSWER muscle - 75%
bone - 25%
fat - 20-25%
teeth - 10%
water content in men - ANSWER 60%
water content in women - ANSWER 50%
water content in newborns - ANSWER 70%
functions of water in the body - ANSWER - provide structure
- acts as a solvent
- acts as a catalyst
- transports compounds
- acts as a lubricant
- control body temperature
symptoms of dehydration in mild cases - ANSWER 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 - ANSWER swollen tongue, inability
to balance with eyes closed, delirium, inability of blood to circulate properly,
failing kidney function
thirst - ANSWER tells use when to start drinking, but quenching your thirst is
not a good indicator of complete fluid replacement
thirst sensitivity - ANSWER decreases with increasing ages
- older adults are at risk for dehydration
routes of water loss - ANSWER feces, insensible loss, sweat, urine
gauging level of hydration - ANSWER 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*
who is ask highest risk for dehydration - ANSWER infants: lose water rapidly
through skin
seniors: sense of thirst decreases with age
how does the body conserve water - ANSWER
DRI for water - ANSWER *80% of daily water intake will come from fluids*
*20% from solid food*
DRI for water: WOMEN - ANSWER 2.7 liters or 91 ounces or 11 cups, *80% =
70 ounces*
DRI for water: MEN - ANSWER 3.7 liters or 125 ounces or 16 cups, *80% =