In a recently found continuous ambulatory peritoneal dialysis $(CAPD)$,the dialysing membrane used is:

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

Kidney stones are composed of ..........

The appearance of albumin in the urine is most likely due to

The presence of $RBC$ in urine is known as:

Acute renal failure $(ARF)$ is characterised by . . . . . . .
$i$. Irreversible increase in glomerular filtration rate.
$ii$. Frequent elimination of large quantities of urine.
$iii$. Sudden worsening of renal function.
$iv$. Elevated serum creatinine levels.
Select the correct option given below.