A withdrawn client diagnosed with schizophrenia expresses little emotion and refuses to attend group therapy.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. Correct. Using the proportion, the correct dose of fluoxetine (Prozac) for the prescribed 60 mg is 15 mL.
B. Incorrect. This is not the correct dose. The correct dose is 15 mL, not 20 mL.
C. Incorrect. This is not the correct dose. The correct dose is 15 mL, not 25 mL.
D. Incorrect. This is not the correct dose. The correct dose is 15 mL, not 10 mL.
Correct Answer is D
Explanation
A. Having an advanced degree in engineering:
While pursuing an advanced degree can be challenging, it is not inherently a source of psychological distress. It may represent a personal and professional accomplishment.
B. Attending a community center daily:
Attending a community center daily is a regular activity and may not necessarily be a source of psychological distress. It could be a positive and fulfilling aspect of one's routine.
C. Belonging to the middle-class socioeconomic group:
Belonging to the middle-class socioeconomic group is not inherently a source of psychological distress. Socioeconomic status alone does not determine psychological well-being, and being in the middle class can provide stability and resources.
D. Being the only person of their ethnicity in a school setting:
This qualifies as a source of psychological distress. Being the only person of a particular ethnicity in a school setting may lead to feelings of isolation, cultural dissonance, and a sense of being different. Such situations can contribute to psychological distress and impact mental well-being.
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