A nurse is preparing to provide care for a client in the emergency department who has syndrome of Inappropriate antidiuretic hormone (SIADH). The client has a serum sodium of 115 mEq/L (136-145 mEq/L). Which of the following IV solutions should the nurse anticipate will be prescribed?

3% sodium chloride

0.99% sodium chloride

Dextrose 59% in 0.99% sodium chloride

Dextrose 5% in 0.45% sodium chloride

Answer and Explanation

The Correct Answer is A

A. 3% sodium chloride is a hypertonic solution used to treat severe hyponatremia by raising the serum sodium levels rapidly.
B. 0.9% sodium chloride is isotonic and would not be sufficient to correct severe hyponatremia as quickly.
C. Dextrose 5% in 0.9% sodium chloride is not typically used for severe hyponatremia treatment.
D. Dextrose 5% in 0.45% sodium chloride is hypotonic and not suitable for treating severe hyponatremia.

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Correct Answer is B

Explanation

A. Blood cultures can identify causative organisms but are not definitive for meningitis.
B. Lumbar puncture is the definitive test for meningitis, as it allows for analysis of cerebrospinal fluid to confirm the diagnosis and identify the causative organism.
C. MRI can provide imaging of the brain but cannot definitively diagnose meningitis.
D. CT scan is useful for imaging but does not provide a definitive diagnosis of meningitis.

A. Dilute urine B. Hypotension C. Ataxia D. Poor skin turgor

Correct Answer is C

Explanation

A. Dilute urine is a primary symptom of DI but not a neurologic effect.
B. Hypotension is a cardiovascular effect of DI due to excessive fluid loss.
C. Ataxia, or lack of muscle coordination, can occur due to severe dehydration and electrolyte imbalances affecting the nervous system in DI.
D. Poor skin turgor indicates dehydration but is not a neurologic effect.

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A nurse is preparing to provide care for a client in the emergency department who has syndrome of Inappropriate antidiuretic hormone (SIADH). The client has a serum sodium of 115 mEq/L (136-145 mEq/L). Which of the following IV solutions should the nurse anticipate will be prescribed?

Nursing Test Bank

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Correct Answer is B

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