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NUR 172 Exam 2 – Questions and Answers
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NUR 172 Exam 2 – Questions and Answers
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NUR 172 Exam 2 – Questions andAnswers
Backcheck valve - - A device that functions to prevent retrograde solution
flow
- Elastomeric pump - - uses a balloon to use positive pressure to deliver
medication when the tubing is unclamped
- Macrodrip - - 10-20 gtt/ml
- Microdrip - - 60 gtt/mL
- Multichannel pumps deliver - - several solutions simultaneously from bags,
bottles, or syringes
- Stylet - - a needle inside a catheter used for vein penetration and is
removed after insertion
- Glass container pros - - good visualization of contents; graduations are
easy to read; no plasticizers
- Glass container cons - - easily broken in transport; particulate matter due
to coring; difficulty with disposal
- Glass containers require - - vent to be opened for administration (allows
air to vent out for meds to fuse)
- Plastic container pros - - closed system; flexible; light weight; easier
storage
- plastic container cons - - easily punctured; fluid level difficult to
determine; made of plasticizers; potential for leaking
- Spike - - inserted into the solution container; must remain connected at all
times
- drip chamber - - pliable and allows for visualization of the falling drops
- primary continuous administration set - - are the main administration sets
used to deliver solutions and medications
- Primary sets are changed every - - 96 hours or immediately upon
contamination
, - Secondary administration set - - used for medication administration and is
attached to primary; called "piggyback"
- Intermittent administration set is changed - - every 24hrs
- Stopcock device - - controls the flow of a solution with manual
manipulation of the valve; increases the risk of contamination
- Intermittent infusion connector or needless connector allows - - the tip of
the syringe to be attached
- True or False: an ohio lpn can change needless connectors on a CVC - -
false
- A stabilization device prevents - - pistoning of the catheter
- 4 types of CVADs - - non tunneled CVAD; peripherally inserted central
cath; subcutaneously tunneled cuffed cath; implanted vascular access port
- PICC line - - most common CVAD; associated with higher risk of catheter
associated venus thrombosis; placed at beside; tip in superior vena cava
- What kind of needle is used for an implantable port? - - a non-coring
needle
- An lpn may access or de-access - - an implantable port in Ohio
- The preferred cleanser for a CVC dressing change is - - chlorhexidine
- pH - - 7.35-7.45
- CO2 - - 35-45
- HCO3 - - 22-26
- PO2 - - 80-100
- if the pH is low and the CO2 is high then the ABG is - - respiratory acidosis
- if the pH is high and CO2 level is low then the ABG is - - respiratory
alkalosis
- if the pH is low and HCO3 level is low then the ABG is - - metabolic
acidosis
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