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:
Patient Health naire (PHQ-9). The PHQ-9 is a commonly used depression assessment tool that evaluates a patient's mood and depressive symptoms. It consists of nine questions that correspond to the nine criteria for diagnosing major depressive disorder (MDD) according to the DSM-5. The tool assesses various aspects of depression, such as mood, sleep disturbances, appetite changes, and more. It's a self-report questionnaire that helps clinicians assess the severity of a patient's depression and track their progress over time.
Choice B rationale:
Hamilton Depression Rating Scale (HAM-D). The Hamilton Depression Rating Scale (HAM-D) is another widely used tool for assessing the severity of depressive symptoms in patients with mood disorders. It contains multiple items that evaluate various aspects of depression, such as mood, feelings of guilt, suicidal ideation, and more. Unlike the PHQ-9, the HAM-D is typically administered by a trained clinician and is more extensive, making it suitable for clinical research and diagnosis but potentially less practical for routine screening.
Choice C rationale:
Beck Depression Inventory (BDI). The Beck Depression Inventory (BDI) is a self-report questionnaire designed to assess the presence and severity of depressive symptoms in individuals. It consists of 21 multiple-choice questions that cover various emotional, cognitive, and physical symptoms of depression. The BDI is useful for assessing the intensity of depression and changes in symptom severity over time. While a valuable tool, it's not the assessment tool most likely used in this scenario.
Choice D rationale:
Mini-Mental State Examination (MMSE). The Mini-Mental State Examination (MMSE) is not an appropriate tool for assessing depression. Instead, it's a brief cognitive screening test used to assess cognitive impairment and cognitive decline in individuals, especially in older adults. It evaluates aspects such as orientation, memory, attention, language, and visuospatial skills. It is not designed to assess mood, anxiety, or other emotional aspects related to depression.
Correct Answer is D
Explanation
Choice A rationale:
"MDD is less severe than dysthymia but lasts for at least 2 years." This statement is incorrect. Major Depressive Disorder (MDD) is characterized by the presence of a major depressive episode, which can be severe and persistent, lasting for at least two weeks. Dysthymia, on the other hand, is a chronic but milder form of depression that lasts for at least two years, not MDD.
Choice B rationale:
"Dysthymia is characterized by alternating episodes of mania and depression." This statement is incorrect. Dysthymia is a chronic mood disorder characterized by a persistent low mood and other depressive symptoms. It does not involve alternating episodes of mania and depression. Alternating episodes of mania and depression are characteristic of bipolar disorder, not dysthymia.
Choice C rationale:
"Unlike MDD, dysthymia does not impair social or occupational functioning." This statement is incorrect. Both Major Depressive Disorder (MDD) and dysthymia can significantly impair social, occupational, and other areas of functioning. In fact, dysthymia's chronic nature often leads to long-term impairment in various aspects of an individual's life, similar to MDD.
Choice D rationale:
"Dysthymia is chronic and lasts for at least 2 years, but is less severe than MDD." This statement is accurate. Dysthymia is a chronic form of depression that persists for at least two years. While it may not exhibit the same level of severity as a major depressive episode, its long-term nature can still have a substantial impact on an individual's quality of life. This distinguishes it from MDD, which can have episodic occurrences.
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