The correct option is C Uremia
Malfunctioning of kidneys can lead to accumulation of urea in blood, a condition called uremia, which is highly harmful and may lead to kidney failure. In such patients, urea can be removed by a process called hemodialysis.
Pyuria is defined as the presence of 10 or more white cells per cubic millimeter in a urine specimen, 3 or more white cells per high-power field of unspun urine. Ketonuria happens when their is high levels of ketones in your urine. It is commonly seen in people with diabetes. It can also happen during pregnancy.
Polyurea provides corrosion and abrasion protection of pipelines that carrying abrasive and corrosive materials.
So, the correct answer is "Uremia"