CNUR 103: Chapter 10 Exam Questions and
Answers with Verified Solutions | Latest
Updated 2026
What are three functions of body 1. Building body cells and tissues
fluids? 2. Carrying waste products from cells
3. Regulate body temperature
What are the three fluid 1. Intracellular fluid: 28L
compartments in the body? 2. Interstitial fluid: 10L
3. Plasma: 3L
Define solution A mixture of solutes dissolved in a solvent.
Define osmosis Movement of water through a
semi-permeable
membrane.
Define osmotic pressure The amount of pressure needed to stop
the
osmotic flow of water.
Define osmolality - Solute concentration by weight of solvent
- Body's fluid balance
, Define tonicity - The relative concentration of solutes
dissolved in
a solution
- Determines the direction and extent of
fluid
diffusion
Define electrolytes Substances whose molecules dissociate or
split
into ions when placed in a solution.
Define ions Electrically charged particles.
Define cations - Positively charged ions
- Sodium, potassium, magnesium, and
calcium
Define anions - Negatively charged ions
- Protein, chloride, phosphorus, and
bicarbonate
Explain the function of potassium - Major ICF cation
- Maintains normal cardiac rhythm
- Promotes cellular growth
Explain the function of sodium - Major ECF cation
- Regulates acid-base balance
Explain the function of calcium - Transmission of nerve impulses
- Blood clotting
- Formation of bones and teeth
Answers with Verified Solutions | Latest
Updated 2026
What are three functions of body 1. Building body cells and tissues
fluids? 2. Carrying waste products from cells
3. Regulate body temperature
What are the three fluid 1. Intracellular fluid: 28L
compartments in the body? 2. Interstitial fluid: 10L
3. Plasma: 3L
Define solution A mixture of solutes dissolved in a solvent.
Define osmosis Movement of water through a
semi-permeable
membrane.
Define osmotic pressure The amount of pressure needed to stop
the
osmotic flow of water.
Define osmolality - Solute concentration by weight of solvent
- Body's fluid balance
, Define tonicity - The relative concentration of solutes
dissolved in
a solution
- Determines the direction and extent of
fluid
diffusion
Define electrolytes Substances whose molecules dissociate or
split
into ions when placed in a solution.
Define ions Electrically charged particles.
Define cations - Positively charged ions
- Sodium, potassium, magnesium, and
calcium
Define anions - Negatively charged ions
- Protein, chloride, phosphorus, and
bicarbonate
Explain the function of potassium - Major ICF cation
- Maintains normal cardiac rhythm
- Promotes cellular growth
Explain the function of sodium - Major ECF cation
- Regulates acid-base balance
Explain the function of calcium - Transmission of nerve impulses
- Blood clotting
- Formation of bones and teeth
