A client is scheduled for a myelogram, and the nurse explains to the client that this is an invasive procedure, which assesses for any lesions in the spinal cord.
The nurse should explain that the preparation is similar to which of the following neurologic tests?
MRI.
Lumbar puncture.
Cerebral angiography.
EEG.
The Correct Answer is B
Choice A rationale
MRI is a non-invasive imaging technique that uses magnetic fields and radio waves to create detailed images of the body's structures. The preparation for an MRI typically involves removing metal objects and sometimes fasting, but it is not similar to a myelogram.
Choice B rationale
A lumbar puncture, like a myelogram, involves inserting a needle into the spinal canal to collect cerebrospinal fluid or inject contrast dye. The preparation for both procedures includes obtaining consent, positioning the patient, and ensuring proper hydration. This similarity is why the nurse should explain that the preparation is akin to a lumbar puncture.
Choice C rationale
Cerebral angiography is an invasive procedure used to visualize blood vessels in the brain, requiring catheter insertion and contrast dye. The preparation is more complex, involving fasting and possible sedation, differing from the simpler preparation for a myelogram.
Choice D rationale
An EEG (electroencephalogram) measures electrical activity in the brain using electrodes placed on the scalp. The preparation is generally non-invasive and less intensive than that for a myelogram, typically involving clean hair and avoiding caffeine.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale
Pediculicides are used to treat lice, not scabies. Proper hand hygiene is important, but applying pediculicide is not necessary for scabies management.
Choice B rationale
Enteric precautions are for infections transmitted via the fecal-oral route, not for scabies, which requires contact precautions.
Choice C rationale
Isolating the client's bed linens and applying contact precautions help prevent the spread of scabies to other clients.
Choice D rationale
Notifying the day surgery unit of a potential scabies outbreak is important, but it does not directly prevent infection in other clients.
Correct Answer is D
Explanation
Choice A rationale
Necrosis is tissue death resulting from prolonged pressure, often a consequence rather than the direct cause of pressure ulcers. The primary cause is sustained pressure impairing blood flow.
Choice B rationale
Low capillary pressure does not directly cause pressure ulcers. They result from sustained external pressure exceeding capillary perfusion pressure, leading to ischemia and tissue damage.
Choice C rationale
Increased mobility actually prevents pressure ulcers by reducing sustained pressure on any one area, enhancing blood flow and tissue health. Immobility is a significant risk factor, not increased mobility.
Choice D rationale
Extrinsic factors like sustained pressure, friction, shear, and moisture contribute directly to pressure ulcer development by compromising skin integrity and blood flow, leading to tissue ischemia and damage.
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