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A client who has lumbar radiculopathy due to spinal stenosis is scheduled for an interventional procedure to relieve their symptoms. The nurse explains to the client that they will receive an injection of a steroid and a local anesthetic into the epidural space of their spine. The client asks the nurse, "How will this help me?" Which of the following responses should the nurse give?

"The steroid will reduce the inflammation and swelling of the nerve root, which will decrease your pain and improve your function."

"The local anesthetic will block the transmission of pain signals from the nerve root to your brain, which will provide you with temporary relief."

"The combination of steroid and local anesthetic will shrink the size of the disc or bone spur that is compressing the nerve root, which will restore your mobility and sensation."

"The injection will deliver medication directly to the affected area of your spine, which will have fewer side effects than oral or intravenous medications."

Answer and Explanation

The Correct Answer is A

Choice A reason:

This is the correct answer because epidural steroid injections are used to treat radiculopathy by reducing inflammation and edema of the nerve root, which can relieve radicular pain and improve neurological function.

Choice B reason:

This is incorrect because local anesthetic alone can provide temporary pain relief by blocking nerve conduction, but it does not address the underlying cause of radiculopathy, which is nerve root compression.

Choice C reason:

This is incorrect because steroid and local anesthetic do not have any effect on the size or shape of the disc or bone spur that is compressing the nerve root. They only reduce inflammation and pain.

Choice D reason:

This is incorrect because although epidural injections may have fewer systemic side effects than oral or intravenous medications, they still have some risks and complications, such as infection, bleeding, nerve damage, or spinal headache.

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Correct Answer is A

Explanation

Choice A reason:

This is the correct answer because Spurling's test is used to diagnose cervical radiculopathy by reproducing radicular pain with neck extension, lateral flexion, and compression. A positive result indicates nerve root compression by a herniated disc, osteophyte, or other lesion.

Choice B reason:

This is incorrect because straight leg raise test is used to diagnose lumbar radiculopathy by reproducing radicular pain with hip flexion and knee extension. A positive result indicates nerve root compression by a herniated disc or other lesion in the lower back.

Choice C reason:

This is incorrect because Tinel's sign is used to diagnose peripheral neuropathy by reproducing tingling or paresthesia with tapping over a damaged nerve. A positive result indicates nerve regeneration or irritation by a scar, tumor, or other lesion.

Choice D reason:

This is incorrect because Phalen's test is used to diagnose carpal tunnel syndrome by reproducing numbness or tingling in the median nerve distribution with wrist flexion for 60 seconds. A positive result indicates median nerve compression by a thickened flexor retinaculum or other lesion in the wrist.

A. Biceps brachii. B. Triceps brachii. C. Deltoid. D. Trapezius.

Correct Answer is B

Explanation

Choice A reason:

This is incorrect because biceps brachii is innervated by C5-C6 nerve roots, which are not affected by a herniated disc at C6-C7 level.

Choice B reason:

This is the correct answer because triceps brachii is innervated by C6-C8 nerve roots, which are affected by a herniated disc at C6-C7 level.

Choice C reason:

This is incorrect because deltoid is innervated by C5-C6 nerve roots, which are not affected by a herniated disc at C6-C7 level.

Choice D reason:

This is incorrect because trapezius is innervated by cranial nerve XI (spinal accessory nerve), which is not affected by a herniated disc at C6-C7 level.

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Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Correct Answer is A

Explanation

A nurse is caring for a client who has cervical radiculopathy due to a herniated disc at C6-C7 level. Which of the following muscles should the nurse assess for weakness?

Correct Answer is B

Explanation

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