A withdrawn client diagnosed with schizophrenia expresses little emotion and refuses to attend group therapy. What altered component of the nervous system should a nurse recognize as being implicated in this behavior?
Axons
Neurotransmitters
Dendrites
Synapses
The Correct Answer is B
A. Axons: Axons are nerve cell processes that transmit signals away from the cell body. While axons are essential for communication between nerve cells, their structure or function is not directly implicated in the altered behavior associated with schizophrenia.
B. Neurotransmitters: This is the correct answer. In schizophrenia, there is evidence of dysregulation in neurotransmitter systems, particularly dopamine. Dopamine dysregulation is associated with both positive and negative symptoms of schizophrenia. In the case of negative symptoms, such as social withdrawal and reduced emotional expression, hypoactivity in dopamine pathways may play a role.
C. Dendrites: Dendrites are nerve cell processes that receive signals from other neurons. Similar to axons, dendrites are crucial for communication between nerve cells, but their structure or function is not specifically implicated in the altered behavior associated with schizophrenia.
D. Synapses: Synapses are the junctions between nerve cells where neurotransmitters are released to transmit signals. While synapses play a critical role in neurotransmission, the altered behavior in schizophrenia is more closely linked to the dysregulation of neurotransmitters, particularly dopamine, than to structural changes in synapses.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Use clear, calm statements and a confident physical stance:
This is the most appropriate choice. Clear and calm communication, along with a confident physical stance, can help to de-escalate the situation. It demonstrates assertiveness and can potentially prevent further escalation of violence.
B. Provide objective evidence that violence is unwarranted:
While providing objective evidence may be helpful in some situations, individuals with paranoid personality disorder may not respond well to attempts to prove that their perceptions are unwarranted. It could potentially escalate the situation.
C. Empathize with the client's paranoid perceptions:
While empathy is important in communication, empathizing with paranoid perceptions in a way that validates or reinforces them may not be the best approach. It could inadvertently validate the client's distorted thoughts and potentially escalate the situation.
D. Initially restrain the client to maintain safety:
Physical restraint should be a last resort and used only when the safety of the client or others is at immediate risk. Initial restraint can escalate aggression and may not be the most appropriate intervention in the early stages of a violent episode.
Correct Answer is B
Explanation
A. Researchers have been unable to demonstrate a link between nature (biology and genetics) and nurture (environment): This statement is inaccurate. There is substantial evidence supporting the interaction between nature (biology and genetics) and nurture (environment) in the development of mental health conditions, including depression.
B. Medications are one way to address chemical imbalances. Environmental and interpersonal factors can also have an impact on biological factors: This is the correct answer. It acknowledges the role of medications in addressing chemical imbalances but also emphasizes the importance of environmental and interpersonal factors in influencing biological factors. This response aligns with a biopsychosocial model of understanding mental health.
C. Because biological factors are the sole cause of depression, medications will improve your mood: This statement oversimplifies the complex etiology of depression. Depression is a multifactorial condition influenced by biological, psychological, and environmental factors. Medications may be part of the treatment, but they are not the sole solution.
D. Environmental factors have been shown to exert the most influence in the development of depression: This statement is also incorrect. Depression is influenced by a combination of biological, psychological, and environmental factors. No single factor is solely responsible for the development of depression.
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