Which diagnostic test is considered the definitive test for meningitis?
Blood culture
Lumbar puncture
MRI
CT scan
The Correct Answer is B
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. A low-sodium diet is not appropriate for Addison's disease; instead, adequate sodium intake is necessary.
B. Hyperglycemia is not typically associated with Addison's disease; hypoglycemia is more common.
C. Teaching the parents about cortisol replacement therapy is crucial because children with Addison's disease require lifelong cortisol replacement to manage their condition.
D. Monitoring for fluid volume excess is not typically a concern in Addison's disease; fluid volume deficit is more common.
Correct Answer is C
Explanation
A. Hypertension is not a typical finding in SIADH; fluid retention may lead to slight increases in blood pressure but not significant hypertension.
B. Polyuria is not expected in SIADH; decreased urine output is more common.
C. Concentrated urine is expected in SIADH due to excessive reabsorption of water.
D. Hypernatremia is not expected in SIADH; hyponatremia due to dilution of sodium is more common.
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