Adenohypophysis-the correct answer is a. the adenohypophysis is not related to the pathology of diabetes insipidus.answer b is incorrect. d1 receptors are not involved in nephrogenic diabetes insipidus.answer c is incorrect. this is nephrogenic, not central, diabetes insipidus.answer d is incorrect. the v1 receptor is involved in vascular smooth muscle contraction.answer e is incorrect. this scenario describes nephrogenic diabetes insipidus, which is pathology at the antidiuretic hormone receptor in the kidney. this receptor is the v2 receptor.