A client suffers a head injury. The nurse implements an assessment plan to monitor for potential subdural hematoma development. Which manifestation does the nurse anticipate seeing first?
Decreased heart rate
Alteration in level of consciousness (LOC)
Slurred speech
Bradycardia
The Correct Answer is B
Reasoning:
Choice A reason: Decreased heart rate is a late sign in subdural hematoma, occurring with increased intracranial pressure (ICP) causing Cushing’s triad (bradycardia, hypertension, irregular breathing). Early manifestations like altered LOC appear first due to hematoma compression, making heart rate changes a secondary concern.
Choice B reason: Alteration in level of consciousness is the earliest manifestation of subdural hematoma. As the hematoma expands, it compresses brain tissue, impairing cerebral function, leading to confusion, lethargy, or reduced responsiveness. This precedes other signs like motor deficits or vital sign changes, making it the first to monitor.
Choice C reason: Slurred speech may occur in subdural hematoma if motor or speech areas are affected, but it is not the earliest sign. Altered LOC typically precedes focal neurological deficits, as hematoma compression globally impacts brain function before specific areas, making speech changes secondary.
Choice D reason: Bradycardia, like decreased heart rate, is a late sign in subdural hematoma, part of Cushing’s triad from severe ICP elevation. Early signs like altered LOC occur first due to initial brain compression, making bradycardia a later manifestation requiring urgent intervention.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Reasoning:
Choice A reason: Explaining that physical changes in Cushing’s syndrome, like moon face and weight gain, result from excessive corticosteroids helps the client understand their condition. Cortisol excess causes fat redistribution and metabolic changes, and education promotes adherence to treatment and coping with body image changes, improving psychological and physical management.
Choice B reason: Offering cool, comfortable clothing or bedding addresses symptoms like heat intolerance in Cushing’s syndrome due to cortisol’s metabolic effects. However, it is less critical than education about the condition, as it does not address the underlying cause or promote understanding and adherence to long-term management strategies.
Choice C reason: Increasing salt and fluid intake is appropriate for Addison’s disease, not Cushing’s syndrome, where cortisol’s mineralocorticoid effects cause fluid retention and hypertension. This intervention could worsen fluid overload and hyponatremia, making it inappropriate and potentially harmful for managing Cushing’s syndrome symptoms.
Choice D reason: A high-carbohydrate, low-protein diet is not recommended for Cushing’s syndrome. Cortisol excess causes protein catabolism and hyperglycemia, so a balanced diet with adequate protein supports muscle maintenance and glucose control. This dietary suggestion does not address the metabolic needs of the condition.
Correct Answer is D
Explanation
Reasoning:
Choice A reason: Infection is not directly related to tissue hypoxia in iron deficiency anemia. Hypoxia results from low hemoglobin, reducing oxygen delivery, but it does not inherently cause infection. Infections may contribute to anemia in chronic disease but are not the primary issue in iron deficiency.
Choice B reason: Deficient fluid volume is not a primary concern in iron deficiency anemia. Impaired erythropoiesis reduces red blood cell production due to low iron, causing anemia, but fluid volume remains normal unless bleeding occurs. Fatigue from low oxygen capacity is more directly linked to the condition.
Choice C reason: Acute pain is not typical in iron deficiency anemia. Pain is associated with hemolytic anemias like sickle cell disease due to vaso-occlusion. Iron deficiency causes fatigue and dyspnea from low hemoglobin, not hemolysis or pain, making this an incorrect association.
Choice D reason: Fatigue related to decreased oxygen-carrying capacity is the most likely issue in iron deficiency anemia. Low iron impairs hemoglobin synthesis, reducing red blood cell oxygen transport, causing tissue hypoxia and fatigue, especially during exertion, directly reflecting the pathophysiology of the client’s condition.
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