NUR 172 Quiz 2 Exam Correctly Answered

NUR 172 Quiz 2 Exam Correctly Answered What is a backcheck valve? - Answer -Device that functions to prevent retrograde flow of the fluid elastometric pumps - Answer -uses a balloon to use positive pressure to deliver medications when the tubing is unclamped. Macrodrip - Answer -10-20 gtt/ml Microdrip - Answer -60 gtt/mL Multichannel pump - Answer -delivers multiple solutions simultaneously from bags, bottles, or syringes stylet - Answer -Needle or guide that is found inside a catheter used for vein penetration - removed after insertion glass container pros - Answer -1. good visualization of contents 2. measurements easy to read 3. no plasticizers glass containers cons - Answer -1. easily broken in transport 2. particulate matter due to coring 3. difficulty with disposal (when done with container) glass containers require - Answer -vent to be opened for administration (allows air to vent out for meds to fuse) plastic containers pros - Answer -1. closed system 2. flexible 3. lightweight 4. difficulty with disposal plastic containers cons - Answer -1. easily punctured 2. fluid level is difficult to determine 3. made of placticizers4. potential for leaching (process of a solute becoming detached or extracted from its carrier substance by way of a solvent) spike - Answer -inserted into the solution container -MUST remain sterile at all times drip chamber - Answer -pliable and allows for visualization of the falling drops primary continuous administration set - Answer -main administration sets used to deliver solutions and medications - changed no more than every 96 hours, & are stopped immediately when contamination is suspected. secondary administration set - Answer -AKA piggyback set- used for medication administration and is attached to the primary administration set -primary solution is hung on the extension hook to hang lower than the piggy back. -changed every 24 hours (intermittent administration) stopcocks - Answer -increases the risk of infection controls the flow of a solution with manipulation of the valve intermittent infusion device - Answer -aka needless connectors - allows the tip of a syringe to be attached -OHIO LPNs CANNOT change needless connectors on a CVC stabilization device - Answer -prevents pistoning (moving back and forth in the vein) of the catheter CVAD - Answer -central venous access device 4 types of CVADs - Answer -1. non-tunneled CVAD 2. peripherally inserted central catheter (PICC) 3. Subcutaneous tunneled cuffed catheter 4. implanted vascular access port PICCs - Answer --the most common placed CVAD -associated with the higher risk of catheter associated venous thrombosis -placed at the bedside