NUR 308- Quiz 1 Questions With Complete Solutions
Adults are approximately _____ fluid by weight. - (ANSWER)55-60%
Older adults are approximately ____ fluid by weight - (ANSWER)50-55%
Total body fluid varies according to: - (ANSWER)- muscle mass
- electrolytes
- body fat
- age
Intracellular fluid - (ANSWER)fluid within cells
Extracellular fluid - (ANSWER)fluid outside cell (interstitial fluid and plasma)
Volume of intracellular space - (ANSWER)25 liters
volume of extracellular space - (ANSWER)- plasma: 3.5-6 liters
- interstitial: 10-12 liters
What are electrolytes measured in? - (ANSWER)mEq
What do serum levels indicate? - (ANSWER)Extracellular concentration
Osmolarity/osmolality - (ANSWER)a measure of the concentration of a solution (number of particles in a
solution)
Normal osmolarity - (ANSWER)270-300 mOsm/L
What is osmolarity regulated by? - (ANSWER)ADH release
, NUR 308- Quiz 1 Questions With Complete Solutions
Tonicity - (ANSWER)a measure of the osmotic pressure of a solution based on its osmolality
Isotonic - (ANSWER)solution with the same osmolality of serum and other bodily fluids
Hypertonic - (ANSWER)a solution with an osmolality higher than that of the serum; causes ICF
compartment to shrink
Hypotonic - (ANSWER)a solution with an osmolality lower than that of the serum; causes ICF to swell
0.9% normal saline IV - (ANSWER)- isotonic solution
- used for:
IV flush
Low BP
Hypovolemic shock
Reconstitute medication
Blood transfusion
Colloid oncotic pressure - (ANSWER)Pulling pressure exerted by proteins/colloids in the blood
-PULLS or absorbs fluid from the interstitial space
- example: packed RBCs
- forces molecules through the capillaries
Hydrostatic pressure - (ANSWER)Pressure exerted by a volume of fluid against blood vessel walls
- PUSHES fluid out of the vessel into the interstitial space
Filtration - (ANSWER)Movement of water and solutes from high hydrostatic pressure to low hydrostatic
pressure
Adults are approximately _____ fluid by weight. - (ANSWER)55-60%
Older adults are approximately ____ fluid by weight - (ANSWER)50-55%
Total body fluid varies according to: - (ANSWER)- muscle mass
- electrolytes
- body fat
- age
Intracellular fluid - (ANSWER)fluid within cells
Extracellular fluid - (ANSWER)fluid outside cell (interstitial fluid and plasma)
Volume of intracellular space - (ANSWER)25 liters
volume of extracellular space - (ANSWER)- plasma: 3.5-6 liters
- interstitial: 10-12 liters
What are electrolytes measured in? - (ANSWER)mEq
What do serum levels indicate? - (ANSWER)Extracellular concentration
Osmolarity/osmolality - (ANSWER)a measure of the concentration of a solution (number of particles in a
solution)
Normal osmolarity - (ANSWER)270-300 mOsm/L
What is osmolarity regulated by? - (ANSWER)ADH release
, NUR 308- Quiz 1 Questions With Complete Solutions
Tonicity - (ANSWER)a measure of the osmotic pressure of a solution based on its osmolality
Isotonic - (ANSWER)solution with the same osmolality of serum and other bodily fluids
Hypertonic - (ANSWER)a solution with an osmolality higher than that of the serum; causes ICF
compartment to shrink
Hypotonic - (ANSWER)a solution with an osmolality lower than that of the serum; causes ICF to swell
0.9% normal saline IV - (ANSWER)- isotonic solution
- used for:
IV flush
Low BP
Hypovolemic shock
Reconstitute medication
Blood transfusion
Colloid oncotic pressure - (ANSWER)Pulling pressure exerted by proteins/colloids in the blood
-PULLS or absorbs fluid from the interstitial space
- example: packed RBCs
- forces molecules through the capillaries
Hydrostatic pressure - (ANSWER)Pressure exerted by a volume of fluid against blood vessel walls
- PUSHES fluid out of the vessel into the interstitial space
Filtration - (ANSWER)Movement of water and solutes from high hydrostatic pressure to low hydrostatic
pressure
