A client is curious about the impact of chronic stress on the development of depression. Which statement accurately reflects the relationship between chronic stress and depression according to the text?
"Chronic stress can lead to hyperactivity of the HPA axis, resulting in elevated levels of cortisol that can support neuronal growth and survival.".
"Chronic stress can lead to hypoactivity of the HPA axis, resulting in reduced levels of cortisol that enhance neurogenesis and synaptic plasticity.".
"Chronic stress can lead to hyperactivity of the HPA axis, resulting in elevated levels of cortisol that can impair neurogenesis and synaptic plasticity.".
"Chronic stress can lead to hypoactivity of the HPA axis, resulting in reduced levels of cortisol that improve neurotrophic factors and cognitive function.".
The Correct Answer is C
Choice A rationale:
Chronic stress is known to activate the Hypothalamic-Pituitary-Adrenal (HPA) axis, which leads to increased cortisol production. While cortisol is important for various physiological functions, chronic elevation of cortisol due to stress can actually have detrimental effects on the brain. Elevated cortisol levels have been associated with impaired neurogenesis (the formation of new neurons) and synaptic plasticity (the ability of synapses to change and adapt), both of which play crucial roles in maintaining cognitive function and mental health.
Choice B rationale:
This statement is not accurate. Chronic stress typically leads to hyperactivity, not hypoactivity, of the HPA axis, resulting in increased levels of cortisol. The increased cortisol levels can negatively impact neurogenesis and synaptic plasticity, which are key factors in depression and cognitive function.
Choice C rationale:
This is the correct statement. Chronic stress triggers hyperactivity of the HPA axis, causing elevated levels of cortisol. While cortisol is meant to help the body cope with stress in the short term, chronic elevation can lead to adverse effects on the brain. High cortisol levels have been linked to impaired neurogenesis and synaptic plasticity, contributing to the development of depression and cognitive deficits.
Choice D rationale:
This statement is not accurate. Chronic stress tends to lead to hyperactivity of the HPA axis and elevated cortisol levels. Reduced cortisol levels, as suggested in this choice, are not commonly associated with chronic stress and its impact on depression.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A"]
Explanation
Choice A rationale:
Electroconvulsive therapy (ECT) and other somatic therapies are considered main treatment options for Major Depressive Disorder (MDD). ECT involves passing electric currents through the brain to induce controlled seizures, and it's often used in severe cases of depression that haven't responded to other treatments. Somatic therapies encompass a range of interventions that directly target the body, such as transcranial magnetic stimulation (TMS) and vagus nerve stimulation (VNS). These treatments are supported by extensive research and clinical evidence, particularly for cases where pharmacological interventions haven't been effective or suitable.
Choice B rationale:
Pharmacological interventions are indeed a mainstay in MDD treatment. However, while they are effective for many individuals, they might not work for everyone and can have side effects. Hence, the treatment approach should be tailored to the individual's needs and preferences.
Choice C rationale:
Herbal supplements are not considered main treatment options for MDD according to established clinical guidelines. While some herbal supplements might have anecdotal support for mood enhancement, their efficacy and safety are not well-established through rigorous scientific research and clinical trials.
Choice D rationale:
Physical exercise has been shown to have a positive impact on mood and can be a beneficial adjunct to MDD treatment. However, it's typically not considered a standalone main treatment option. Rather, it's often recommended as a complementary approach alongside other evidence-based treatments.
Choice E rationale:
Mindfulness-based cognitive therapy (MBCT) is a psychological approach that combines mindfulness meditation with cognitive behavioral techniques. While MBCT has shown promise in preventing relapse for individuals with recurrent depression, it's usually used as a psychotherapeutic adjunct to other main treatments like pharmacological interventions or psychotherapy.
Correct Answer is B
Explanation
Choice A rationale:
Pharmacological interventions involve the use of medications to treat conditions like Major Depressive Disorder (MDD). This does not involve stimulating the brain electrically or magnetically. While antidepressant medications can have an impact on neuronal activity and neuroplasticity, they are not classified as brain stimulation therapies.
Choice B rationale:
This is the correct answer. Electroconvulsive therapy (ECT) is a treatment modality that involves passing an electrical current through the brain to induce a controlled seizure. This has been found to be effective in cases of severe depression where other treatments have not worked. Other somatic therapies might include repetitive transcranial magnetic stimulation (rTMS) and vagus nerve stimulation (VNS), both of which involve modulating brain activity through electrical or magnetic means.
Choice C rationale:
Psychotherapeutic interventions involve talking therapies aimed at addressing psychological and emotional issues. These therapies do not directly involve electrical or magnetic stimulation of the brain. While they can certainly lead to changes in neuronal activity and neuroplasticity, they are not the primary modalities for brain stimulation.
Choice D rationale:
Cognitive-behavioral therapy (CBT) is a specific type of psychotherapeutic intervention that focuses on changing thought patterns and behaviors. While CBT can lead to changes in brain activity and neuroplasticity, it does not involve direct brain stimulation through electrical or magnetic means like ECT or rTMS.
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