CTA exam 1.docx

Infiltration - correct answer The tip of the IV catheter becomes dislodged from the vein and fluid infuses into surrounding tissue Extravasation - correct answer escape of fluid from a blood vessel into surrounding tissue Phlebitis - correct answer inflammation of a vein Erythema - correct answer redness of the skin Sclerosis - correct answer Hardening of tissue Thrombosis - correct answer local coagulation or clotting of a blood vessel Air embolism - correct answer Block of blood supply caused by air bubbles in blood vessel S/S of infection at IV site? - correct answer - *Redness/swelling at the site* - Presence of exudates (pus) - Soreness - Elevated WBC's - Increased temperature - Chills - crusting or scab - pain at site Tissue necrosis - correct answer localized death of tissue due to injury or lack of oxygen Drug incompatibility - correct answer mixing medications in a solution that causes precipitation or combining a drug with another drug that causes an adverse chemical reaction Bolus - correct answer Rapid infusion of intravenous fluid or medication Shock - correct answer A condition in which the circulatory system fails to provide sufficient circulation to enable every body part to perform its function; also called hypoperfusion. Circulatory overload - correct answer caused by hypervolemia; fluid volume exceeds what is normal for the intravascular space & can potentially compromise cardiopulmonary function. BP is raised & causes the heart to increase the force of its contraction. Heparin lock - correct answer an intravenous catheter inserted into a vein and left in place for the intermittent administration of medication through its port or as an open line for emergency situations and intermittently flushed with a heparin solution to maintain patency Secondary set - correct answer attached to the primary set to deliver additional solutions or intermittent medications into a y-site in the primary infusion set What is the most common complication of IV therapy? - correct answer Thrombosis What are 6 factors that affect incompatibility R/T IV drugs? - correct answer 1. Amount of medication mixed 2. IV solution 3. IV bag 4. IV tubing 5. IV medication 6. Physical or chemical properties