A client reports feeling tired, cold, and short of breath at times. Assessment reveals tachycardia and reduced energy. What would the nurse expect the health care provider to order?
Chest radiograph
ECG
CBC
Antibiotic
The Correct Answer is C
Reasoning:
Choice A reason: A chest radiograph evaluates lung or cardiac issues but is not the first test for symptoms of tiredness, coldness, and shortness of breath with tachycardia. These suggest anemia, and a CBC directly assesses hemoglobin and red blood cell counts, making it more relevant than imaging for initial evaluation.
Choice B reason: An ECG assesses cardiac rhythm and ischemia, useful for tachycardia, but it does not address the underlying cause of fatigue, coldness, and dyspnea. These symptoms suggest anemia, and a CBC is needed to confirm low hemoglobin before evaluating cardiac function with an ECG.
Choice C reason: A complete blood count (CBC) is the most appropriate test, as tiredness, coldness, shortness of breath, and tachycardia suggest anemia. A CBC measures hemoglobin, hematocrit, and red blood cell indices, identifying anemia’s presence and type, guiding further diagnostic and therapeutic interventions for the client’s symptoms.
Choice D reason: Antibiotics treat infections, but tiredness, coldness, dyspnea, and tachycardia point to anemia, not infection. Without fever or infection signs, antibiotics are inappropriate. A CBC is needed to confirm anemia as the cause, making it the priority over empirical antibiotic therapy.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
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.
Correct Answer is B
Explanation
Reasoning:
Choice A reason: Glucose in the urine, or glycosuria, is not characteristic of diabetes insipidus, which results from antidiuretic hormone (ADH) deficiency, impairing water reabsorption in the kidneys’ collecting ducts. Glycosuria is typically seen in diabetes mellitus, where elevated blood glucose exceeds the renal threshold, leading to glucose excretion. This is unrelated to the water balance issue in diabetes insipidus.
Choice B reason: Highly dilute urine is a hallmark of diabetes insipidus due to insufficient ADH, which normally facilitates water reabsorption in the renal collecting ducts. Without ADH, the kidneys produce large volumes of dilute urine with low osmolality and specific gravity, reflecting the inability to concentrate urine and conserve water, leading to polyuria.
Choice C reason: Leukocytes in the urine indicate urinary tract infection or inflammation, not diabetes insipidus. This condition involves hormonal dysregulation of water balance, not immune or infectious processes in the urinary tract. Leukocyturia would suggest a separate pathology, such as cystitis, rather than the expected dilute urine output of diabetes insipidus.
Choice D reason: Albumin in the urine, or proteinuria, suggests glomerular damage, as seen in conditions like nephrotic syndrome. Diabetes insipidus is a disorder of water regulation due to ADH deficiency, not affecting protein filtration in the kidneys. Thus, albuminuria is not an expected finding, as the condition does not impair glomerular barrier function.
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