The Endocrine System

Diabetes insipidus is characterized by water loss and dehydration due to a lack of antidiuretic hormone (ADH). Thus, A-II.

Exophthalmic goiter is another name for Grave's disease, which is a thyroid disorder. Thus, B-III.

Acromegaly leads to disfigurement of the face due to excess growth hormone. Thus, C-IV.

Hyperglycemia is caused by dysregulation of glucagon, leading to elevated blood sugar levels. Thus, D-I.

The correct answer is (4) A-II, B-III, C-IV, D-I.