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 A
Explanation
Choice A rationale
Potassium-rich foods, such as bananas and potatoes, are recommended for clients with prolonged diarrhea to replace lost electrolytes and maintain normal cellular function.
Choice B rationale
High-fat foods are not recommended for clients with prolonged diarrhea, as they can exacerbate symptoms and are difficult to digest.
Choice C rationale
High-fiber foods may worsen diarrhea by increasing stool bulk and frequency.
Choice D rationale
While protein-rich foods are important, they do not specifically address the electrolyte imbalances caused by prolonged diarrhea.
Correct Answer is D
Explanation
Choice A rationale
Rigidity is characterized by a continuous resistance to passive movement in any direction and does not specifically occur during abrupt dorsiflexion of the foot.
Choice B rationale
Flaccidity refers to decreased muscle tone or limpness, which is the opposite of hyperactivity or spasticity, and would not be observed with abrupt dorsiflexion.
Choice C rationale
Ataxia involves uncoordinated or erratic movements and is related to cerebellar dysfunction. This is not specifically triggered by abrupt dorsiflexion of the foot.
Choice D rationale
Clonus is the correct term for rhythmic, involuntary contractions of a muscle that occur when it is suddenly stretched, such as with abrupt dorsiflexion of the foot. It is a sign of hyperactive reflexes and upper motor neuron lesions.
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