The composition of the dialysing fluid resembles which substance?

Given below are two statements regarding peritoneal dialysis. Select the correct option.
Statement $I$: Peritoneal dialysis can be carried out as per the need of the patient,i.e.,at work or while travelling.
Statement $II$: Peritoneal dialysis is more efficient than haemodialysis.

The presence of glucose and ketone bodies in urine are indicative of

The accumulation of urea in the blood due to kidney failure 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.

Nephritis is caused by