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.
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Related Questions
Correct Answer is D
Explanation
A. Apixaban is an anticoagulant used to prevent clot formation and reduce stroke risk, not specifically to reduce bleeding risk.
B. Rate control is typically achieved with medications like beta-blockers or calcium channel blockers, not anticoagulants like apixaban.
C. Apixaban does not convert heart rhythm; it prevents blood clots.
D. The primary purpose of apixaban in patients with atrial fibrillation is to reduce the risk of stroke by preventing blood clot formation.
Correct Answer is ["B","D"]
Explanation
A. Digoxin improves cardiac output by increasing the force of cardiac contractions, not by increasing the heart rate. In fact, it may slow the heart rate.
B. Holding the dose and calling the doctor if the heart rate is less than 60 beats per minute is correct, as digoxin can cause bradycardia.
C. Doubling the dose is incorrect and dangerous. Missed doses should be handled according to physician instructions, typically by skipping the missed dose and taking the next scheduled dose.
D. Loss of appetite and nausea can be signs of digoxin toxicity and should be reported to the healthcare provider.
E. Frequent urination is not an expected side effect of digoxin; it is more commonly associated with diuretics.
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