Luz is exploring the role of neurotransmitters in anxiety disorders. Which neurotransmitter is known for its inhibitory effects and is often targeted in anxiety treatments?
Glutamate.
Dopamine.
GABA.
Norepinephrine.
The Correct Answer is C
Choice A reason: Glutamate is the primary excitatory neurotransmitter in the brain, promoting neuronal activity. It is not typically targeted for its inhibitory effects in anxiety treatments, as excessive glutamate activity may contribute to heightened anxiety or overstimulation.
Choice B reason: Dopamine is involved in reward, motivation, and movement regulation. While imbalances in dopamine can play a role in some psychiatric conditions, it is not the primary neurotransmitter targeted for its inhibitory effects in anxiety disorders.
Choice C reason: Gamma-aminobutyric acid (GABA) is the main inhibitory neurotransmitter in the brain, helping to calm neuronal activity and reduce anxiety. Many anti-anxiety medications, such as benzodiazepines, enhance GABA’s effects to promote relaxation and reduce symptoms of anxiety.
Choice D reason: Norepinephrine is an excitatory neurotransmitter associated with the body’s stress response and arousal. Elevated levels are often linked to increased anxiety, so it is not targeted for inhibitory effects in anxiety treatments.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","C","D","E"]
Explanation
Choice A reason: Maintaining adequate and consistent sleep helps regulate mood and prevent manic or depressive episodes. Avoiding naps can improve nighttime sleep quality.
Choice B reason: Excessive exercise multiple times a day may increase risk of exhaustion and even trigger mania in bipolar disorder. Moderation is key.
Choice C reason: Using positive mental imagery, such as recalling a pleasant vacation, is a healthy cognitive coping strategy to manage anxiety.
Choice D reason: A positive outlook (optimism) is a strong protective coping mechanism that enhances resilience and stress management in individuals with mood disorders.
Choice E reason: Progressive muscle relaxation is an evidence-based relaxation technique that reduces anxiety, promotes calmness, and decreases tension.
Correct Answer is ["A","C","D","E"]
Explanation
Choice A reason:Tremors, particularly in the hands, are a common symptom of alcohol withdrawal, often appearing within hours of the last drink. They are caused by the nervous system’s hyperexcitability due to the absence of alcohol’s depressant effects, making this a key manifestation to include in teaching.
Choice B reason:Polyphagia, or excessive hunger, is not a typical symptom of alcohol withdrawal. Withdrawal is more commonly associated with loss of appetite or nausea due to gastrointestinal distress and nervous system dysregulation, so this should not be included in the teaching.
Choice C reason:Nystagmus, an involuntary eye movement, can occur in alcohol withdrawal, particularly in severe cases or during delirium tremens. It is a neurological symptom resulting from the brain’s response to withdrawal, making it appropriate to include in the teaching.
Choice D reason:Seizures are a serious and potentially life-threatening complication of alcohol withdrawal, often occurring within 12 to 48 hours after the last drink. Educating the client about this risk is critical, as it underscores the need for medical supervision during withdrawal.
Choice E reason:Illusions, or misinterpretations of sensory stimuli, are common in alcohol withdrawal, especially during severe stages like delirium tremens. These perceptual disturbances should be included in the teaching to prepare the client for possible symptoms.
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