The body’s water volume is closely tied to the level of which of the following ions?
A) calcium ions
B) potassium ions
C) hydrogen ions
D) sodium ions

The term hypotonic hydration refers to ________.
A) the feeling one might have after a long swim
B) the unpleasant feeling people have after drinking too much liquor
C) a condition that may result from renal insufficiency or drinking extraordinary amounts of water
D) a condition that is caused by high levels of sodium in the extracellular fluid compartment

Hypoproteinemia is a condition of unusually low levels of plasma proteins. This problem is often characterized by ________.
A) tissue edema
B) extreme weight loss
C) extreme weight gain
D) nerve damage