The client is admitted to the medical unit with a diagnosis of rule-out diabetes insipidus (DI). Which instructions should the nurse teach regarding a fluid deprivation test? 1. The client will be asked to drink 100 mL of fluid as rapidly as possible and then will not be allowed fluid for 24 hours. 2. The client will be administered an injection of antidiuretic hormone, and urine output will be measured for four (4) to six (6) hours. 3. The client will be NPO, and vital signs and weights will be done hourly until the end of the test. 4. An IV will be started with normal saline, and the client will be asked to try to hold the urine in the bladder until a sonogram can be done.
The correct answer for this question is option 1
The correct answer for this question is option 1. The client will be asked to drink 100 mL of fluid as rapidly as possible and then will not be allowed fluid for 24 hours.
Explanation:
1. The fluid deprivation test is used to diagnose diabetes insipidus (DI), a condition characterized by excessive thirst and urine output. This test is performed to evaluate the ability of the kidneys to concentrate urine.
2. During the fluid deprivation test, the client is asked to drink a specific amount of fluid (in this case, 100 mL) as rapidly as possible. This is to ensure that the client is well-hydrated before the test begins.
3. After drinking the fluid, the client is not allowed to consume any additional fluids for the next 24 hours. This is done to induce dehydration and stimulate the production of antidiuretic hormone (ADH) in the body.
4. Option 2 is incorrect. Administering an injection of antidiuretic hormone and measuring urine output for several hours is not part of the fluid deprivation test. This description may be referring to a different test, such as an ADH stimulation test.
5. Option 3 is incorrect. Monitoring vital signs and weights hourly until the end of the test is not necessary for a fluid deprivation test. However, vital signs and weights may be monitored periodically to assess the client’s overall condition during the hospital stay.
6. Option 4 is incorrect. Starting an IV with normal saline and asking the client to hold the urine in the bladder until a sonogram can be done is not part of a fluid deprivation test. This description may be referring to a different test, such as a urodynamic study or a bladder ultrasound.
In summary, the nurse should teach the client that during a fluid deprivation test, they will be asked to drink 100 mL of fluid as rapidly as possible and then will not be allowed to consume any additional fluids for 24 hours.
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