1.

The bacteria in the vile turns the animal's skin; a)Red b) black c) blue d) yellow​

Answer»

The normal yellow color of urine is due to urochrome and urobilin.

b.

Very CONCENTRATED urine may be deep amber in color whereas very DILUTE urine may be almost colorless.

Abnormal Urine Colors

(1)

Unusual colors may be due to drugs or their metabolites.

(a)

Deep amber.

(i)

Highly concentrated urine.

(ii)

Increased amounts of bile pigments.

(b)

Red or reddish-brown color.

(i)

Usually due to INTACT RBC, hemoglobin (from lysed RBCs in urine or systemic hemolysis) or myoglobin.

(ii)

Dry food dye (rare).

(iii)

Porphyrins (rare).

(c)

Dark brown to black color.

(i)

Usually represents conversion of hemoglobin to methemoglobin in acid urine.

(d)

Yellow-brown to yellow-green color.

(i)

Usually due to BILIRUBIN.

(e)

Green color.

(i)

UTI with Pseudomonas.

(ii)

Oxidation of bilirubin to biliverdin.

(iii)

Methylene blue ADMINISTRATION results in greenish-blue urine.


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