Multiple choice Which of the following statements is TRUE? In diabetes insipidus, concentrated urine is formed. In diabetes mellitus, urination frequency is decreased. In diabetes insipidus, urination frequency is increased. In diabetes insipidus, urine has high amount of glucose. Reveal answer Fill a bubble to check yourself C Correct answer Explanation In diabetes insipidus, urination is frequent and copious resulting in loss of water from the body.