Practice Quiz

Clinical Nurse Specialist CNS Adult Practice Test

Category - AACN Clinical Nurse Specialist Practice Test

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A client was ordered to have urinalysis. The laboratory report reveals that the specific gravity of the client’s urine is 1.50. What is the most probable cause of the client’s urine specific gravity result?
  1. Dehydration
  2. Diabetes insipidus
  3. Use of diuretic drugs
  4. Renal failure
Explanation
Answer: A - The most probable cause of low specific gravity of urine is dehydration. The specific gravity of urine decreases if the urine is highly concentrated. Dehydration stimulates the cells to retain salts, which results in the excretion of highly concentrated urine. The urine is poorly concentrated in cases of diabetes insipidus, diuresis due to the use of diuretics, and renal failure. In these cases, the urine’s specific gravity is greater than normal.
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