Diabetes is a disease in which the urine contains

During the hemodialysis process:
$I.$ Blood is drained from a convenient artery and an anticoagulant (heparin) is added.
$II.$ Removal of nitrogenous waste from the blood occurs.
$III.$ Blood is passed through a coiled porous cellophane membrane tube bathing in dialysis fluid.
$IV.$ Blood is mixed with anti-heparin and passed into a vein.
Arrange the steps in the correct sequence.

Struvite stones are derived from . . . . . . .

Which one of the following is $NOT$ the cause of acute renal failure?

Presence of which of the following in urine indicates that a person is suffering from diabetes mellitus?

$A$ person is undergoing prolonged fasting. His urine will be found to contain abnormal quantities of