Uremia is indicated when the blood urea level rises above . . . . . . .

Describe disorders related to the excretory system.

Oliguria condition in children is when the urine output is less than . . . . . . .

The presence of $RBC$ in urine is known as

Which one of the following is $CORRECT$ regarding struvite stones in kidney?
$I$. These are formed in response to bacterial infection.
$II$. It is a genetic disorder.
$III$. These grow quickly and become quite large.
$IV$. Occurs in people who consume high protein diet.
$V$. Affected people excrete too much of certain amino acid.

The process of blood dialysis is called ........