Uremia is a disease related to the

Which of the following is correct with reference to haemodialysis?

Assertion: The person with diabetes insipidus feels thirsty.
Reason: $A$ person with diabetes insipidus suffers from excess secretion of vasopressin.

Hemodialysis is helpful in patients suffering from . . . . . . .

The presence of $RBC$ in the urine is called ........

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.