A nurse is administering medication to a client who has Parkinson's disease. The client asks the nurse how the medication works. Which of the following responses by the nurse is appropriate?

"The medication increases dopamine levels in your brain."

"The medication decreases acetylcholine levels in your brain."

"The medication increases serotonin levels in your brain."

"The medication decreases glutamate levels in your brain."

Answer and Explanation

The Correct Answer is A

Choice A reason:

This is a correct answer, as the medication increases dopamine levels in the brain, which helps to improve the symptoms of Parkinson's disease, such as tremors, rigidity, and bradykinesia.

Choice B reason:

This is an incorrect answer, as the medication does not decrease acetylcholine levels in the brain, but rather increases dopamine levels. Acetylcholine is another neurotransmitter that controls muscle contraction, learning, and memory.

Choice C reason:

This is an incorrect answer, as the medication does not increase serotonin levels in the brain, but rather increases dopamine levels. Serotonin is another neurotransmitter that controls mood, sleep, and appetite.

Choice D reason:

This is an incorrect answer, as the medication does not decrease glutamate levels in the brain, but rather increases dopamine levels. Glutamate is another neurotransmitter that controls excitatory signals in the brain.

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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.

A. The CNS processes sensory information from the body. B. The CNS generates motor commands to control movement. C. The CNS regulates cognitive and emotional functions. D. The CNS connects the brain and spinal cord to the rest of the body.

Correct Answer is D

Explanation

Choice A reason:

This is a correct statement, as the CNS receives sensory information from various receptors in the body and interprets it.

Choice B reason:

This is a correct statement, as the CNS initiates and coordinates motor commands to control voluntary and involuntary movements.

Choice C reason:

This is a correct statement, as the CNS is involved in higher cognitive functions such as memory, learning, reasoning, and emotions.

Choice D reason:

This is an incorrect statement, as this is the function of the PNS. The PNS consists of cranial and spinal nerves that connect the CNS to the rest of the body and transmit sensory and motor signals.

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A nurse is administering medication to a client who has Parkinson's disease. The client asks the nurse how the medication works. Which of the following responses by the nurse is appropriate?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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

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Correct Answer is D

Explanation

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