A nurse is teaching a class about the general adaptation syndrome. The nurse should include that which of the following manifestations occurs during the exhaustion stage?
Depression
Blood glucose levels return to the expected reference range
Dilation of pupils
Blood pressure increases
The Correct Answer is A
Choice A reason: In the exhaustion stage of general adaptation syndrome, prolonged stress depletes the body’s resources, impairing the hypothalamic-pituitary-adrenal axis. Chronic cortisol elevation disrupts neurotransmitter balance, particularly serotonin and dopamine, leading to depression. This psychological manifestation reflects the body’s inability to cope with sustained stress, making it a hallmark of the exhaustion phase.
Choice B reason: Blood glucose levels returning to normal is characteristic of the resistance stage, not exhaustion. In exhaustion, metabolic dysregulation persists due to depleted energy reserves, potentially causing hypoglycemia or erratic glucose levels. The body’s failure to maintain homeostasis makes this an incorrect manifestation for the exhaustion stage.
Choice C reason: Pupil dilation occurs in the alarm stage of general adaptation syndrome, driven by sympathetic activation and catecholamine release to prepare for “fight-or-flight.” In the exhaustion stage, the body’s resources are depleted, and such acute responses diminish, making pupil dilation an incorrect manifestation for this chronic stress phase.
Choice D reason: Blood pressure increases during the alarm and resistance stages due to sympathetic activation and vasoconstriction. In the exhaustion stage, the body’s regulatory systems fail, potentially leading to hypotension or cardiovascular collapse due to depleted reserves, making increased blood pressure an incorrect manifestation for this stage.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A reason: Anemia results from factors like iron deficiency or chronic disease, not directly from prolonged stress. Stress may elevate cortisol, affecting hematopoiesis indirectly, but anemia is not a primary manifestation. Chronic stress primarily impacts neuroendocrine and immune systems, not red blood cell production or hemoglobin levels.
Choice B reason: Prolonged stress typically increases blood pressure via sympathetic activation, releasing catecholamines (e.g., epinephrine), which cause vasoconstriction and elevated heart rate. Decreased blood pressure is not a common stress response, as the hypothalamic-pituitary-adrenal axis drives hypertension, not hypotension, in chronic stress scenarios.
Choice C reason: Prolonged stress elevates cortisol and catecholamines, suppressing immune function by inhibiting T-cell proliferation and cytokine production. This reduces the body’s ability to fight infections, increasing susceptibility to illness. Chronic activation of the hypothalamic-pituitary-adrenal axis downregulates immune responses, a well-documented effect of sustained stress.
Choice D reason: Hypoglycemia is not a typical manifestation of prolonged stress. Stress hormones (cortisol, glucagon) increase blood glucose by promoting glycogenolysis and gluconeogenesis to provide energy. While acute stress may cause transient glucose fluctuations, chronic stress typically leads to hyperglycemia, not low blood sugar, in most individuals.
Correct Answer is B
Explanation
Choice A reason: Change in marital status is a psychological stressor, activating the hypothalamic-pituitary-adrenal axis, increasing cortisol, and causing emotional distress. It affects mental health through social and emotional pathways but does not directly disrupt physiological homeostasis, unlike physical injuries that trigger systemic stress responses.
Choice B reason: A burn injury is a physiological stressor, causing tissue damage, pain, and systemic inflammation. It activates the sympathetic nervous system and releases stress hormones (e.g., catecholamines, cortisol), increasing metabolic demand, heart rate, and immune response to repair tissue and combat potential infections, disrupting bodily homeostasis.
Choice C reason: Academic pressure is a psychological stressor, engaging cognitive and emotional pathways, elevating cortisol via the hypothalamic-pituitary-adrenal axis. It impacts mental health but lacks direct physical disruption to bodily systems, unlike physiological stressors that cause immediate tissue or metabolic changes, such as infections or injuries.
Choice D reason: Financial difficulties are psychological stressors, triggering anxiety and cortisol release through emotional distress. They affect mental health but do not directly cause physiological disruption like tissue damage or metabolic imbalance, which are characteristic of physiological stressors impacting the body’s physical homeostasis and organ function.
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