Question

a 37 - year - old male obese patient provides a specimen for urinalysis. you notice that the urine has a large amount of yellow foam on top. this is most likely due to excess __________ in the urine.
a) urobilinogen
b) calcium
c) bilirubin
d) uric acid
e) protein

Explanation:

Proteinuria (excess protein in urine) can cause foamy urine. Proteins like albumin can reduce the surface tension of urine, leading to the formation of persistent foam. Urobilinogen, calcium, bilirubin, and uric acid do not typically cause such foamy appearance in the described manner.

Answer:

e) Protein