Question

what is the major factor in producing hypertonic urine is​

Answer 1

Excretion of excess water leads to a formation of hypotonic urine, excretion of excess solutes results in a formation of hypertonic urine.

Answer 2

Answer:

gradual increase in osmolarity from cortical to medullary portion

Explanation:

juxtamedullary nephrons are specifically instrumental in the production of concentrated urine via counter current mechanism which uses high medullary osmolarity