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.Bradycardia is not a typical finding in diabetes insipidus.
B. Polyphagia is more associated with diabetes mellitus, not diabetes insipidus.
C. Dehydration is a common finding in diabetes insipidus due to excessive urine output.
D. Hyperglycemia is associated with diabetes mellitus, not diabetes insipidus.
Correct Answer is D
Explanation
A. Purple striations are more commonly associated with Cushing's syndrome, not Addison's disease.
B. Intention tremors are not a characteristic of Addison's disease.
C. Hirsutism is associated with excessive androgen production, not Addison's disease.
D. Hyperpigmentation, especially in areas exposed to friction, is a classic sign of Addison's disease due to increased production of melanocyte-stimulating hormone along with adrenocorticotropic hormone.
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