Flashcards in Definitions Deck (12)
Urine flow greater than normal. (>1mL/min) in an adult
urine flow greater than normal due to the presence of an unreabsorbed solute in the urine. (like glucose in a diabetic)
urine flow greater than normal due to decreased reabsorption of water. (typically due to excess intake of water/alcohol) Urine would be LESS osmotic than plasma.
urine flow less than normal (<0.5mL/min) in an adult. This would be hyperosmotic urine relative to plasma
concentration of discrete particles in solution expressed as mOsm/Kg H2O. It is independent of the charge, mass, or size of particle.
osmolality (concerned with the number of particles in the water!!)
number of particles PER LITER OF TOTAL SOLUTION
osmolarity (pertains to fluid)
a solution that is equal to the osmolality of the reference solution, which in our case is usually plasma (290 mOsm)
a solution with an osmolality greater than that of plasma
what is the normal osmolality of plasma?
what is the maximum osmolality possible for the urine of an adult human?
A solution with an osmolality less than plasma?