A nurse is teaching a client about the nervous system.
Which of the following neurotransmitters should the nurse include in the teaching as having an inhibitory action?
Serotonin
GABA
Acetylcholine
Dopamine
Dopamine
The Correct Answer is B
Choice A rationale
Serotonin is indeed an inhibitory neurotransmitter. It helps regulate mood, appetite, and sleep among other things. However, its role in the nervous system is complex and it can also have excitatory effects depending on the specific receptors and neural pathways involved.
Choice B rationale
Gamma-aminobutyric acid (GABA) is the primary inhibitory neurotransmitter in the brain. It works by decreasing neuronal excitability, which helps to regulate muscle tone, among other functions.
Choice C rationale
Acetylcholine is primarily an excitatory neurotransmitter, although it can have inhibitory effects in certain parts of the nervous system. It plays a key role in muscle activation, learning, and memory.
Choice D rationale
Dopamine can act as both an inhibitory and an excitatory neurotransmitter, depending on the type of receptor it binds to and the specific neural pathway involved. It plays key roles in reward, motivation, and motor control.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
Providing nonpharmacological pain interventions to each client equally is an example of justice, not autonomy. Justice in healthcare refers to treating all patients fairly and equitably.
Choice B rationale
Fulfilling a promise to a client that they will return with their pain medication is an example of fidelity, not autonomy. Fidelity refers to being faithful to commitments and promises.
Choice C rationale
Administering a scheduled pain medication for a client who is having pain is an example of beneficence, not autonomy. Beneficence refers to taking actions that are of benefit to the patient.
Choice D rationale
Giving a client the choice of when to take a pain medication is an example of autonomy. Autonomy in healthcare refers to the patient’s right to make decisions about their own care.
Correct Answer is C
Explanation
Choice A rationale
Trigeminal neuralgia is a chronic pain condition that affects the trigeminal nerve, which carries sensation from your face to your brain. It does not cause a sensation of tightness around the torso.
Choice B rationale
Lhermitte’s sign is a symptom of multiple sclerosis and other neurological conditions where a person feels an electric shock-like sensation running down the spine and into the limbs. It does not cause a sensation of tightness around the torso.
Choice C rationale
The sensation of tightness around the torso in a patient with multiple sclerosis is often referred to as the “MS hug”. It is caused by a lesion or an area of active inflammation within the spinal cord.
Choice D rationale
Paroxysmal spasms are a type of muscle spasm experienced by some people with multiple sclerosis. These spasms are usually painful and involve the muscles of the legs, but they do not cause a sensation of tightness around the torso.
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