Which diagnostic test is the most definitive test used to detect meningitis?

CBC

Urinalysis

CT scan

Lumbar puncture

Answer and Explanation

The Correct Answer is D

A. CBC: A CBC can indicate infection (elevated white blood cell count), but it is not specific for meningitis.

B. Urinalysis: Urinalysis is not relevant for diagnosing meningitis.

C. CT scan: A CT scan can detect complications like increased intracranial pressure but does not diagnose meningitis directly.

D. Lumbar puncture: A lumbar puncture allows direct analysis of CSF for glucose, protein, white blood cells, and organisms, which is definitive for diagnosing meningitis.

Nursing Test Bank

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Correct Answer is A

Explanation

A. 2 to 3 weeks: The incubation period for varicella is typically 10 to 21 days, or 2 to 3 weeks.

B. 7 to 10 days: This is shorter than the actual incubation period for varicella.

C. 3 to 4 weeks: This exceeds the typical maximum incubation period of 21 days.

D. 2 to 5 days: This is significantly shorter than the typical incubation period for varicella.

A. Clear CSF B. Cloudy CSF C. Negative gram stain. D. Decreased glucose content. E. Positive gram stain.

Correct Answer is ["B","D","E"]

Explanation

A. Clear CSF: Clear CSF is typically seen in viral meningitis or normal findings, not bacterial meningitis.

B. Cloudy CSF: Cloudy CSF indicates the presence of infection and is characteristic of bacterial meningitis.

C. Negative gram stain: A negative gram stain indicates the absence of bacterial pathogens, which is not consistent with bacterial meningitis.

D. Decreased glucose content: Bacteria consume glucose, leading to decreased glucose levels in bacterial meningitis.

E. Positive gram stain: A positive gram stain confirms the presence of bacterial organisms in the CSF, supporting a diagnosis of bacterial meningitis.

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Which diagnostic test is the most definitive test used to detect meningitis?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is attending a continuing education course about communicable diseases. The nurse should identify that varicella has which of the following incubation periods?

Correct Answer is A

Explanation

A nurse is reviewing the cerebral spinal fluid analysis for a group of clients who have suspected meningitis. Which of the following analysis findings would be consistent with a diagnosis of bacterial meningitis? (Select three answers that apply).

Correct Answer is ["B","D","E"]

Explanation

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