HSCI MISC As question and answers sessment 3

Hematologic System 1. A provider prescribes IV heparin for their client. Which of the following parameters should you monitor for in regard to determining if a therapeutic dose is being administered? a. INR, 2 to 3 times the client’s baseline – goal parameters for warfarin (Coumadin) therapy b. aPTT, 1.5 to 2 times the client’s baseline – check Q4-6 hr for initial continuous IV therapy c. Platelet count of 125,000 – below 100,000 warrant d/c heparin therapy d. PT 11-12 sec – also used for warfarin 2. Which of the following drugs should be given in heparin overdose? a. Aminocaproic acid – stops excessive bleeding due to alteplase b. Deferoxamine – treats iron toxicity c. Vitamin K – reverses effects of warfarin d. Protamine – given no faster than 20 mg/min 3. Continuous monitoring during heparin therapy is needed for which of the following adverse reactions? (select all that apply) a. Thrombocytopenia – at risk for bleeding b. Hypotension – also tachycardia c. Hypokalemia – causes hyperkalemia