Nutrition prequiz 7

Which of the following is true of the cell membrane?

it is freely permeable to water but impermeable to solutes

Which of the following people probably has the greatest percentage of his or her weight as body fluid?

A healthy infant of average weight

Sodium is an unhealthy nutrient, and we should avoid consuming it in our diet

false

Which of the following is a characteristic of potassium?

It can be found in fresh fruits and veggies

We lose fluids through

all of the above

Plasma is one example of

extra cellular fluid

A decreased concentration of electrolytes in our blood stimulates the thirst mechanism

false

Caffeine is a powerful diuretic, causing the body to lose excessive fluid in the urine

false

Conditions that increase fluid loss include constipation, blood transfusions, and high humidity

false

Drinking lots of water throughout a marathon will prevent fluid imbalances

false

Drinking until we are no longer thirsty ensures we are properly hydrated

false

Hypernatremia commonly occurs when we are dehydrated

false