Question and answers already passed
2025
Why is water a good solvent? - correct answer ✔it is polar
what is responsible for polarity of water? - correct answer ✔additional time
electrons spend around the oxygen atoms compared to the hydrogen atoms
What happens to the sodium anc chloride ion when salt is dissolved in water?
- correct answer ✔they dissociate
what is the role of water in urine? - correct answer ✔transport waste
products out of the body
what is the function of synovial fluid? - correct answer ✔to lubricate joints
which of the following is not an explanation of how water helps to regulate
normal body temperature?
a) water holds heat and changes temperature slowly.
b) when body temperature rises, sweat is produced which evaporates to cool
the body.
c) when body temperature falls, blood flow near the surface is restricted,
conserving body heat.
, d) when body temperature falls, blood flow near the surface is increased to
warm the body. - correct answer ✔when body temperature falls, blood flow
near the surface is increased to warm the body
what is the reaction that breaks large molecules into smaller ones by the
addition of waste? - correct answer ✔hydrolysis
which statement best describes the PH of 7.4? - correct answer ✔slightly
basic
which of the following is NOT a function of water in the body?
a) providing a medium for chemical reactions
b) regulating hunger and appetite
c) regulating body temperature
d) transporting nutrients - correct answer ✔regulating hunger and appeptite
which body tissue has the lowest water content? - correct answer ✔fat
what circumstance will most effectively draw water from the interstitial fluid
into the capillaries? - correct answer ✔the presence, in the capillaries, of
LOWER fluid pressure and a HIGHER solute concentration
what is the water found inside the cells of the body? - correct answer
✔intracellular fluid