A&P Ch. 20- Fluid and Electrolytes C

Most of the body's water resides

• outside the cells

• within the cells

• within vessels

• within organs

fluid between the cells and inside tissues is called

• intracellular fluid

• extracellular fluid

• interstitial fluid

• transcellular fluid

Answer explanation

extracellular fluid CONTAINS the interstitial fluid. Correct answer interstitial fluid

The body loses the least amount of water through?

• breathing

• metabolism

• feces

• skin

_______ results when the body eliminates more water than sodium

• volume depletion

• dehydration

• fluid excess

• fluid accumulation

sodium is the main electrolyte in ________________.

• intracellular fluid

• Interstitial fluid

• transcellular fluid

• extracellular fluid

Why are infants more prone to dehydration?

• small surface area

• slow metabolism

• immature kidneys

• They are not, adults are.

What is true regarding hyperkalemia?

• This is a high sodium level

• may result from diarrhea

• may develop after a crush injury

• this is a potassium level less than 3.6

True or False: Calcium exists mostly inside the cell.

• True

• False

Answer explanation

outside of the cell

What is the normal PH of blood?

• 7.35-7.45

• 35-45

• 22-26

• 7.25-7.35

What is the only buffer system that expels H+ ions from the body?

• lungs

• skin

• kidneys

• stool