Exam (elaborations)
NUR172 Hondros Exam 2: Questions & Answers (100%)
NUR172 Hondros Exam 2: Questions & Answers (100%)
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NUR172 Hondros Exam 2: Questions & Answers(100%)
Syringe solution containers Right Ans - pre-filled syringes that are
packaged as "clean" or sterile
Examples: NS flush
Heparin Right Ans - Anti-Coagulant
Drug Action: Increase bleeding time
Reversal agent: Protamine Sulfate
Labs: PTT
Warfarin Right Ans - Anti-Coagulant
Drug Action: Interferes with clotting factor of the blood
Reversal agent: Mephyton (vitamin K)
Labs: PT
Lorazepam-Ativan Right Ans - benzodiazepine/Anxiolytic /Anti-emetic
Drug Action: CNS Depression
Uses: Anxiety/Seizures
Diazepam-Valium Right Ans - Anxiolytic and Sedative
Action: Potentiates the actions of GABA
Uses: Can treat anxiety, muscle spasms, seizures
Isoniazid-Isotamine (INH) Right Ans - Anti-tubercular
Action: Bactericidal interference with lipid, nucleic acid biosynthesis
Uses: Treatment, prevention of TB
Rifampin-Rifadin, Rofact Right Ans - Anti-tubercular
Action: decreases tubercle bacilli replication
Uses: Pulmonary TB, Mening-ococcal carriers (prevention)
Positive attributes of Plastic Right Ans - Closed system, flexible, light
weight, easier storage
Positive attributes of glass Right Ans - crystal clear, allows good
visualization of contents, graduations easy to read, no plasticiziers
,Safety considerations for plastic Right Ans - DEHP- toxic-leaches into lipid
based solutions, easily punctured, graduations difficult to read, composed of
plasticizers. Do not write on the outside of the bag-will leak into fluid.
Safety considerations for glass Right Ans - break easily during transport,
particulate matter due to coring, cumbersome disposal, check closure for
integrity, need vented tubing
Use-activated container Right Ans - A pre-measured drug and diluent in
separate compartments that is mixed prior to administration by breaking the
seal.
What is a back check valve Right Ans - a one way valve that allows the
solution to flow in one direction; when piggy back is complete, this allows the
primary admin set to resume flow. Also, keeps contents from 2nd admin set
from flowing back into the primary solution.
Safety considerations with a back check valve Right Ans - Using a blunt
needle and breaking the valve
Why are Needleless connectors important? Right Ans - allows for venous
access without removal of the connector, thus maintaining a closed infusion
system; reduces the risk of infection;allows for blood control, less risk to the
nurse
When would a needleless connector need changed? Right Ans - when it is
removed for any reason, residual blood or debris is present, prior to a blood
drawl for culture and upon contamination.
potential risks for needleless connectors Right Ans - failure to disinfect the
needless connectors prior to access can cause infection.
What is the method of clearing IV lines? Right Ans - NS flush
Why would the nurse flush an IV? Right Ans - to reduce the risk of
occlusion
, What is a lock and what is it used for? Right Ans - A solution that is left
instilled in the catheter to prevent occlusion between intermittent infusion;
prevent occlusion
Why is saline used for peripheral intermittent device flushing and locking
rather than heparin? Right Ans - because there are no nutrients in saline
that can help bacteria grow
Advantages of a PICC line Right Ans - used when the patient requires
longer med administrations, multi-lumen allows for multiple med
administrations;
PICC location and length of therapy Right Ans - upper arm; greater than 2
years
Central line location and length of therapy Right Ans - neck/subclavian;
less than or equal to 12 months
Mid-line location, length and length of therapy Right Ans - upper arm;
greater than 3"; less than 14 days
Is a pump better to use to control the IV flow rate than a manual roller clamp?
Right Ans - yes, allows for more accurate delivery of medications and alarms
when fluids are not running properly
What is occlusion pressure? (peristaltic pump) Right Ans - Part of the tube
is compressed thus forcing the fluid thru
Why is occlusion pressure important? Right Ans - no contamination;
sterile; prevents back flow
What is a syringe pump? Right Ans - uses traditional syringe; precisely
accurate delivery system to administer small volumes of medications
Why is syringe pumps important? Right Ans - valuable for delivering small
doses of high potency drugs
Why is Oxygen saturation monitoring important? Right Ans - The
respiratory drive is decreased with pain meds
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