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 ["B","D"]
Explanation
Choice A rationale
Oxycodone is an opioid medication, not a nonopioid analgesic. It is used for the relief of moderate to severe pain but has a high potential for addiction and dependence.
Choice B rationale
Ibuprofen is a nonopioid analgesic. It belongs to a class of drugs known as nonsteroidal anti- inflammatory drugs (NSAIDs) and is commonly used to relieve pain, reduce inflammation, and lower fever.
Choice C rationale
Fentanyl is a potent opioid pain medication. It is not a nonopioid analgesic. It is used for managing severe pain, often in people who have built up a resistance to other opioids.
Choice D rationale
Acetaminophen is a nonopioid analgesic. It is used to relieve mild to moderate pain from headaches, muscle aches, menstrual periods, colds and sore throats, toothaches, backaches, and reactions to vaccinations, and to reduce fever.
Correct Answer is B
Explanation
Choice A rationale
Maintaining systolic BP between 141 and 145 mm Hg is considered high and can increase the risk of stroke.
Choice B rationale
The client should maintain systolic BP between 120 and 129 mm Hg. This is considered a normal blood pressure range and can help reduce the risk of stroke.
Choice C rationale
Maintaining systolic BP between 130 and 135 mm Hg is considered elevated and can increase the risk of stroke.
Choice D rationale
Maintaining systolic BP between 136 and 140 mm Hg is considered high and can increase the risk of stroke.
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