A patient is receiving a continuous unfractionated heparin infusion for deep vein thrombosis. Which laboratory test is commonly used to guide dose adjustment?
Correct answer: A. Activated partial thromboplastin time
- A. Activated partial thromboplastin time
- B. Prothrombin time only
- C. Serum creatinine only
- D. Red blood cell count
Explanation
The activated partial thromboplastin time is commonly monitored to adjust unfractionated heparin therapy according to the prescribed therapeutic range. Prothrombin time is mainly used for warfarin monitoring, while platelet count helps detect complications such as heparin-induced thrombocytopenia.
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About Cardiovascular and Respiratory Drugs
Cardiovascular and respiratory drugs include antihypertensives, diuretics, antianginal agents, antiarrhythmics, cardiac glycosides, anticoagulants, bronchodilators, corticosteroids and cough medicines. Questions focus on mechanisms, indications, contraindications, toxicity and monitoring, especially the difference between drugs that reduce blood pressure, improve cardiac output or open narrowed airways.
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50 free Cardiovascular and Respiratory Drugs MCQs from Nursing Pharmacology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
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