A nurse is caring for a client who is receiving an intravenous heparin infusion. When reviewing the client's medical records, the nurse discovers that the client has a previous diagnosis of heparin induced thrombocytopenia (HIT). The nurse immediately stops the heparin infusion and notifies the physician. Which medication should the nurse anticipate will be ordered to neutralize the remaining heparin in the client's bloodstream?
Vitamin K
Enoxaparin
Warfarin
Protamine sulfate
The Correct Answer is D
A. Vitamin K is an antidote for warfarin, not heparin.
B. Enoxaparin is a low molecular weight heparin and is contraindicated in patients with a history of HIT.
C. Warfarin is an oral anticoagulant used for long-term anticoagulation therapy and is not used to neutralize heparin.
D. Protamine sulfate is the specific antidote for heparin and is used to neutralize its effects.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Elevated BUN can indicate kidney dysfunction but is not specific for assessing heart failure severity.
B. Elevated troponin levels indicate myocardial injury or infarction, not heart failure exacerbation.
C. B-type natriuretic peptide (BNP) levels are directly correlated with the severity of heart failure, as they are released in response to ventricular volume expansion and pressure overload.
D. An electrocardiogram (ECG) can show arrhythmias or ischemia but does not directly measure heart failure severity.
Correct Answer is D
Explanation
A. Romiplostim does not increase the production of ADAMTS-13; it is used to increase platelet counts.
B. Romiplostim does not prevent platelet destruction in the spleen; it works by stimulating platelet production.
C. Romiplostim does not prevent platelets from binding with heparin; it is not used for heparin-induced thrombocytopenia.
D. Romiplostim is a thrombopoietin receptor agonist that stimulates the bone marrow to increase platelet production, which is its primary mechanism of action in treating ITP.
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