Physical Examination Flashcards
Color of urine varies from
Almost colorless to black
The yellow color of urine is caused by thr presence of
Urochrome
It is a product of endogenous metabolism
Urochrome
Who named urochrome
Thudichum 1864
T or F:
Urochrome decreases in urine that stands at room temp
False ( increase)
Color of concentrated urine
Dark yellow
Color of dilute urine
Pale yellow
Most evident in specimens that have been refrigereted– resulting precipitation of amorphous urates
Uroerythrin( pink pigment)
An oxidation product of normal urinary constituent urobilinogen — imparts orange-brown color
Urobilin
Color of urine if there is a presencr of abnormal pigment bilirubin
Dark yellow or amber
How will u know if there is a presecno of bilirubin in the urine
Yellow foam appears when specimen is shaken
Large amount of white foam indicates
Increased concentration of protein
Ia specimen that contains bilirubin may also contain…
Hepatitis virus
Photo oxidation of large amounts of excreted urobilinogen to urobilin produces
Yellow - orange urine
Photo oxidation of bilirubin imparts
Yellow- green color
Medication that produces yellow- orange urine
Phenazopyridine ( pyrodium)
Fresh brown urine indicates
Glomerular bleedingl
When RBC is present, the urine is
Red and cloudy
When hemoglobin and myoglobin is present the specimen is
Red and clear
Fresh urine containing _______ frequently exhibit a mores reddish-brown color
Urine containing ______ appears red resulting from the oxidation of porphobilinogen
Porphyrin
Medication that produces red color urine
Rifampin
Phenolphthalein
Phenindione
Phenothiazine
An oxidation produc of the colorless pigment
Melanin
A meatabolite of phenylalanine imparts color black to alkaline urine from person with alkaptonuria
Homogentisic urine