A clinic nurse is caring for a client with a history of osteoporosis. What diagnostic test will best allow the care team to assess the client's risk of fracture?
Bone densitometry.
Arthrography.
Bone scan.
Arthroscopy.
Vagus nerve.
The Correct Answer is A
Choice A rationale
Bone densitometry is a non-invasive test that measures bone mineral density (BMD). It helps to identify the presence of osteoporosis and assess fracture risk by comparing the patient's bone density to that of a healthy young adult. Low BMD indicates higher fracture risk. This test is essential for monitoring osteoporosis progression and guiding treatment decisions.
Choice B rationale
Arthrography involves injecting contrast dye into a joint before imaging with X-ray or MRI. It evaluates joint structures, such as cartilage, ligaments, and capsules, but it is not specifically designed to measure bone density or assess fracture risk.
Choice C rationale
A bone scan involves injecting a small amount of radioactive material into the bloodstream, which accumulates in areas of high bone activity. It detects bone abnormalities, such as fractures, infections, or tumors. However, it is not used for assessing bone density or fracture risk.
Choice D rationale
Arthroscopy is a minimally invasive surgical procedure that allows direct visualization of joint structures using a small camera. It is primarily used for diagnosing and treating joint problems, such as torn ligaments or cartilage, but it does not assess bone density or fracture risk.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
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.
Correct Answer is D
Explanation
Choice A rationale
Ataxic gait is characterized by uncoordinated movement, wide-based steps, and irregular distances between steps, often seen in cerebellar dysfunctions.
Choice B rationale
Dystrophic gait is associated with muscle weakness, often seen in muscular dystrophies, where there is difficulty in walking, a waddle-like walk, and frequent falls.
Choice C rationale
Steppage gait is associated with foot drop, where the individual lifts their knees higher than usual to avoid dragging their toes, often seen in peripheral neuropathies.
Choice D rationale
Helicopod gait involves the feet making a half-circle with each step and is often seen in individuals with certain neurologic disorders, such as hemiplegia or certain types of ataxia.
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