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","B","D"]
Explanation
Choice A rationale
Dryness of the eyes, or xerophthalmia, is a common symptom of keratoconjunctivitis. It indicates the involvement of the conjunctiva and cornea, often seen in conditions like Stevens-Johnson syndrome or toxic epidermal necrolysis.
Choice B rationale
Skin peeling on the eyelids suggests severe involvement of the ocular adnexa and can be a sign of advancing keratoconjunctivitis. This symptom reflects significant mucocutaneous damage.
Choice C rationale
Pruritus, or itching, is less specific for keratoconjunctivitis and more commonly associated with allergic reactions or less severe irritations. It is not a primary indicator of the disease's progression.
Choice D rationale
Burning of the eyes is a symptom of keratoconjunctivitis, indicating inflammation and irritation of the conjunctiva and cornea. This symptom helps in identifying the progression of the condition. .
Correct Answer is A
Explanation
Choice A rationale
The oculomotor nerve (cranial nerve III) is responsible for innervating the muscles that move the eye and lift the eyelid, as well as controlling pupil constriction and lens shape for focusing.
Choice B rationale
The vestibulocochlear nerve (cranial nerve VIII) is involved in hearing and balance, not in the movement of eye muscles or eyelids.
Choice C rationale
The facial nerve (cranial nerve VII) controls muscles of facial expression, taste sensations from the anterior two-thirds of the tongue, and functions in tear and saliva production.
Choice D rationale
The trigeminal nerve (cranial nerve V) is responsible for sensation in the face and motor functions such as biting and chewing, not for eye movements.
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