A preceptor discussing stroke with a new nurse on the unit would tell the new nurse that which cardiac dysrhythmia is associated with cardiogenic embolic strokes?
Bundle branch block
Ventricular tachycardia
Supraventricular tachycardia
Atrial fibrillation
The Correct Answer is D
Reasoning:
Choice A reason: Bundle branch block affects ventricular conduction but does not typically cause emboli. It may lead to dyssynchrony but lacks the stasis in the atria that promotes clot formation, making it less associated with cardiogenic embolic strokes compared to atrial fibrillation’s thrombus-forming mechanism.
Choice B reason: Ventricular tachycardia is a life-threatening arrhythmia affecting the ventricles, causing hemodynamic instability but not typically embolic strokes. It does not promote atrial stasis or clot formation, which are necessary for cardiogenic emboli to travel to the brain, unlike atrial fibrillation.
Choice C reason: Supraventricular tachycardia causes rapid heart rates above the ventricles but is less likely to form atrial clots than atrial fibrillation. It does not typically cause the prolonged stasis needed for thrombus formation, making it less associated with embolic strokes in the brain.
Choice D reason: Atrial fibrillation is strongly associated with cardiogenic embolic strokes. It causes irregular atrial contractions, leading to blood stasis in the atria, promoting thrombus formation. These clots can embolize to the brain, causing ischemic stroke, making it a key risk factor requiring anticoagulation.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Reasoning:
Choice A reason: Difficulty falling asleep is not a specific symptom of iron deficiency anemia. While fatigue is common, it affects energy levels, not sleep onset. Insomnia may result from other causes like anxiety or neurological conditions, not the reduced oxygen-carrying capacity of iron deficiency anemia.
Choice B reason: Difficulty breathing when walking 30 feet, or exertional dyspnea, is a hallmark of iron deficiency anemia. Low hemoglobin reduces oxygen delivery to tissues, causing shortness of breath during activity as the body struggles to meet oxygen demands, making this a key subjective symptom.
Choice C reason: Increased appetite is not typical in iron deficiency anemia. Some patients experience pica, craving non-food items, but not increased food appetite. Anemia causes fatigue and weakness, not hunger, which is more associated with metabolic or endocrine disorders, not iron deficiency.
Choice D reason: Feeling hot all the time is not a symptom of iron deficiency anemia. Patients often feel cold due to reduced oxygen delivery impairing thermoregulation. Feeling hot suggests hyperthyroidism or infection, not the hypoxic or circulatory issues characteristic of iron deficiency anemia.
Correct Answer is C
Explanation
Reasoning:
Choice A reason: Feverfew, an herbal supplement, is sometimes used for migraines but has no proven role in aneurysm management. It may affect platelet function, increasing bleeding risk if an aneurysm ruptures, making it an inappropriate and potentially harmful recommendation for this client’s condition.
Choice B reason: Opioid analgesics are not routinely recommended for aneurysm management unless severe pain from rupture occurs. Prophylactic use is inappropriate, as it does not prevent aneurysm complications and may mask symptoms, delaying intervention. Lifestyle measures like avoiding strain are more relevant for prevention.
Choice C reason: Avoiding heavy lifting is critical for clients with an aneurysm, as increased intra-abdominal or thoracic pressure from lifting can elevate blood pressure, risking aneurysm rupture. This lifestyle modification reduces mechanical stress on the aneurysm wall, promoting safety and preventing catastrophic bleeding events.
Choice D reason: Including peanut butter, bread, or tart foods in the diet is unrelated to aneurysm management. Dietary choices do not directly affect aneurysm stability or rupture risk. Blood pressure control and avoiding strain, like heavy lifting, are more critical to prevent aneurysm complications.
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