aubf 3 Flashcards
(45 cards)
may appear in the urine late in normal pregnancy or
during lactation;
lactose
lactose tested using
Rubner’s test
may appear in the urine in association with inherited
enzyme deficiencies
fructose
fructose tested by
seliwanoff test
-found in urine in genetic disorders of galactose
metabolism associated with a deficiency of galactose-1 phosphate uridyl transferase or galactokinase
galactose
may follow the ingestion of large amounts of fruit,
certain drug therapies and with benign essential pentosuria
pentose
may appear in the urine after ingestion of very large
amounts of sucrose
sucrose
Presence in urine results from increased fat metabolism due to
abnormal carbohydrates utilization
ketones
The term “ketones” represents
three intermediate products of fat metabolism, namely:
Beta-hydroxybutyric acid = 78%
Acetoacetic Acid = 20%
Acetone= 2%
ketones PRINCIPLE & REAGENT:
Sodium nitroprusside
ketones chemstrip color
beige to violet/purple color
ketones multistix color
pink-maroon color
blood principle
pseudoperoxidase activity of hemoglobin
reagent of blood
tetramethyl benzidine
blood pad color change
negative yellow to green
or positive yellow blue green
In contrast, intact red blood cells are lysed
(hematuria) when they come in contact with the
pad, and the liberated hemoglobin produces an
isolated reaction that results in a ___ on the pad
speckled
pattern
presence of blood in the urine
either in the form of intact red
blood cells.
hematuria
produces a cloudy red urine
hematuria
presence of hemoglobin in urine
as a product of red blood cell destruction
hemoglobinuria
*appears as a clear red specimen
hemoglobinuria
characterized by cola drink or black coffee
myoglobinuria
ammonium sulfate precipitation test
blondheims test
hemoglobinuria Color of plasma:
RED/PINK
myoglobinuria color of plasma
pale yellow
