A defect in the release of which hormone leads to diabetes insipidus, in which the body loses large amounts of water in urine?
Answer & explanation
Correct answer: option 1
The correct answer is Option (1) → Antidiuretic hormone (ADH)
ADH (vasopressin) makes the kidneys take back water, so less water is lost in urine. When its release is impaired, the kidneys cannot hold back water, leading to water loss and dehydration: this is diabetes insipidus. A lack of insulin causes diabetes mellitus, a different disease.