Which diagnostic test is the most definitive test used to detect meningitis?
CBC
Urinalysis
CT scan
Lumbar puncture
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.
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Correct Answer is D
Explanation
A. Preschool children experience fear related to the disease process. While preschool children may fear pain or separation, this statement does not directly address their perception of death.
B. Preschool children understand death completely. Preschool children do not fully understand the permanence of death; this comprehension develops later.
C. Preschool children have no concept of death. Preschoolers have some concept of death but often see it as temporary or reversible.
D. Preschool children perceive death as temporary. Preschool-aged children often view death as temporary, like sleeping, due to their limited understanding of its finality.
Correct Answer is ["A","C","E"]
Explanation
A. Febrile episode: Fever is a common trigger for febrile seizures in children, especially between 6 months and 5 years.
B. Low blood lead levels: Elevated, not low, blood lead levels can increase the risk of seizures due to neurotoxicity.
C. Sodium imbalance: Both hyponatremia and hypernatremia can cause seizures by disrupting neuronal function.
D. Presence of diphtheria: Diphtheria does not directly increase the risk of seizures. Neurological complications are rare and secondary.
E. Hypoglycemia: Low blood sugar levels deprive the brain of energy, which can lead to seizures.