Question

Which one of the following is not one of the major roles of kidneys in normal healthy adults?

A. excretion of nitrogen-containing wastes
B. maintenance of water balance of the blood
C.maintenance of electrolyte balance of the blood
D. conversion of ammonia to bicarbonate ion

2.
Which one of the following is not one of the functions of the kidneys that helps the body to maintain homeostasis?

A. Manufacture urine to eliminate from the body.
B. Regulate blood volume.
C. Produce hormones that assist in digestion.
D. Dispose of metabolic waste products