Urine physical processes (color, spec grav, volume) Flashcards
What is the normal volume range of urine in a 24-hour period?
600 – 2000mL
What is the average volume of urine?
1500mL
What factors are directly related to the amount of urine?
1) Fluid intake
2) Temperature and climate
3) Amount of perspiration that occurs.
What in foods or drugs causes blue green urines?
Methylene blue (Used as dye or stain in diagnostics procedure)
What in foods or drugs causes dark orange urine?
pyridium (used for UTI infection)
What in foods or drugs causes milky white urine?
Chyle
What in foods or drugs causes olive green to brown black urine?
Phenols (poisonous compound used for antimicrobial agent)
What in foods or drugs causes yellow to brown (turning greenish with foam when shaken) urine?
Presence of bile
What in foods or drugs causes red or red-brown (smokey appearance)?
Presence of blood
What causes Turbid Alkaline urine?
1) Amorphous phosphate
2) Amorphous carbonate
What causes turbid acidic?
1) Amorphous urates
What does a pinkish turbidity indicate?
presence of urates.
What cause the odor in urine?
- volatile acids
Normal color for urine?
Yellow to dark amber
What is the term used for color of urine?
Urochrome
What smell develops from urine that has been standing for a long time?
ammonia odor due to breakdown of urea by bacteria.
What causes Sweet or fruity smell?
Ketones
What causes pungent smell?
ammonia produced by bacteria
What causes maple syrup smell?
“Maple syrup urine disease” a congenital metabolic disorder
What causes musty or mousy smell?
Infant with phenylketonuria
What causes sweaty feet smell?
Isovaleric acidemia, presence of butyric or hexanoic acid in urine
What’s the spec grav for random urine?
1.003-1.035
What’s the spec grav for 24 hour urine?
1.015-1.025
