A nurse is caring for a client who has been diagnosed with thrombotic thrombocytopenic purpura (TTP) and will begin plasmapheresis ment should the nurse plan to include when educating the client about this treatment?
we excess ADAMTS-13 from your plasma
large von Willebrand factor molecules from your plasma
macrophages from your spleen
performed once a week until your platelet counts normalize.
The Correct Answer is B
A. Plasmapheresis in TTP aims to remove abnormal blood components, not ADAMTS-13. In fact, plasmapheresis helps replenish ADAMTS-13.
B. The primary goal of plasmapheresis in TTP is to remove large von Willebrand factor molecules that are causing platelet aggregation and clot formation.
C. Removing macrophages from the spleen is not the objective of plasmapheresis.
D. Plasmapheresis is usually performed daily until clinical and laboratory parameters improve, not just once a week.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Transporting the patient to the cardiac catheterization lab for percutaneous coronary intervention (PCI) is the priority intervention for a patient with an ST-elevation myocardial infarction (STEMI). PCI is the preferred treatment to restore blood flow to the affected coronary artery.
B. Aggressive diuresis and digoxin are not appropriate for the acute management of a STEMI. Diuresis may be used in cases of heart failure but is not the immediate priority.
C. Synchronized cardioversion and radiofrequency catheter ablation are treatments for certain arrhythmias but are not indicated for the acute management of STEMI.
D. Administering gemfibrozil, a lipid-lowering agent, and preparing for a stress test are not appropriate interventions in the acute setting of a STEMI. Immediate reperfusion therapy is necessary.
Correct Answer is D
Explanation
A. NSTEMI would present with elevated troponin levels indicating myocardial injury, which is not the case here.
B. Stable angina occurs predictably with exertion and is relieved by rest or nitroglycerin.
C. STEMI is characterized by ST-elevation on the ECG and elevated troponin levels, indicating significant myocardial injury.
D. Unstable angina presents with chest pain that occurs at rest or with minimal exertion and is not predictable. The presence of T-wave inversion and normal troponin levels is consistent with this diagnosis.
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