
Diabetes insipidus or diabetes mellitus would most likely be indicated by ________.
- anuria
- polyuria
- oliguria
- none of the above

Introduction:
The normal range of urine volume is 1-2 liters/day. Thus, the volume of urine differs significantly. In order to remove wastes of the body, the kidneys must produce a minimum 500 mL/day of urine volume.
Answer to Problem 1RQ
The correct answer is option (b) polyuria.
Explanation of Solution
Explanation/justification for the correct answer:
Option (b) polyuria. Polyuria is a condition characterized by excessive or abnormally large urine production, which is most often caused by diabetes mellitus or diabetes insipidus. So, the correct answer is option (d).
Explanation for incorrect answer:
Option (a) anuria. Anuria is described as the virtual deficiency of urine production (<50 mL/day). It is commonly caused by the failure of kidney function or due to obstruction, like a kidney stone or tumor; an enlarged prostate. So, this is an incorrect option.
Option (c) oliguria. Below the normal urine output may be due to renal diseases or dehydration. This low urine output condition is termed as oliguria. So, this is an incorrect answer.
Option (d) none of the above. The virtual deficiency of the urine production is defined as anuria while the urine output below the normal level is termed as oliguria and excessive urine production is termed polyuria. So, this is an incorrect answer.
Diabetes insipidus or diabetes mellitus would most likely be indicated by polyuria. Hence, the correct answer is option (b) polyuria.
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