<prompt> A man with diabetes insipidus has a glomerular filtration of 155 Lday. Which range most likely represents the upper limit for urine flow rate in this individual if he were not receiving treatment but had free access to water?1 to 3 Lday5 to 10 Lday15 to 20 Lday30 to 35 Lday  <response>: Ans. C. 15 to 20 LdayUrine flow rate in the absence of antidiuretic hormone ADH can approach approximately 10 to 13 of the glomerular filtration therefore, for a glomerular filtration of 155 Lday, urine flow could be as much as 15 to 20 L day. To maintain this level of urine flow, the individual must consume an equivalent amount of water per day. 