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. Pulling a wagon with toys in the hallway: A child on airborne precautions cannot leave the room to prevent the spread of infection.
B. Watching a video game in the playroom: Access to communal areas like the playroom is prohibited for children on airborne precautions.
C. Constructing a model airplane: While constructive, small parts in models can be hazardous and inappropriate for some children in a hospital setting.
D. Putting a puzzle together: Puzzles are a safe, quiet activity that can be done independently in the isolation room.
Correct Answer is B
Explanation
A. Restrain the toddler for 1 hr after the procedure: Restraint is not appropriate post-procedure. The child should be monitored for complications but not physically restrained unless medically necessary.
B. Place the toddler in a side-lying, knee-chest position: This position flexes the spine and opens the spaces between the vertebrae, allowing for easier access to the subarachnoid space for the lumbar puncture.
C. Ask another nurse to assist with holding the toddler in a prone position: The prone position is incorrect for lumbar punctures. The side-lying, knee-chest position is standard.
D. Swaddle the toddler in a warm blanket: Swaddling may comfort the toddler but does not facilitate the lumbar puncture.