QUESTIONS WITH VERIFIED CORRECT
ANSWERS GRADED A+
⩥ French scale is measurement of ___ & formula to calculate it Answer:
external diameter of catheter; __mm x3
⩥ CVC french sizes are from __ to __ Answer: 1.2 fr (Neonatal PICC)
to 15fr (Dialysis Catheter)
⩥ Gauge size is measurement of __ Answer: Internal diameter of
catheter
⩥ IV gauge sizes range from Answer: 27g-12g according to textbook
⩥ IV devices made in the U.S.A are ____ for what reason? Answer:
Radiopaque; to facilitate location of catheter emboli in the event of
shearing or fracture
⩥ Two types of catheter materials are ___ & ____; what are the
differences between them? Answer: -Silicon: Soft, flexible
biocompatible polymer material *NOT affected by alcohol*
-Polyurethane: Strong biocompatible urethane-based polymer material
**IS AFFECTED BY ALCOHOL** so be careful with ethanol locks
,⩥ PIV lengths in inches & cms? Answer: 0.56-2.5in; 14mm-10cm
⩥ PIV indications:
1.
2.
3.
4. Answer: 1. Infusions projected for 6 or less days
2. Non-irritating medications/solutions
3. Non-vesicant medications/solutions
4. Single dose (non-continuous) vesicant administration when clinician
monitored
⩥ PIV Contraindications:
1.
2.
3. Answer: 1. Therapies expected to last >6 days
2. Infusates with >900mOsm/L
3. Administration of vesicants, irritants or infusates with high phlebitis
risk
Placement in arms with venous thrombosis, fractures, trauma, infection
or compromised circulation (ex: impaired mobility in arm)
, 3. Veins in an arm on the Same side of a mastectomy with axillary
lymph node dissection
4. Veins in an arm with an A/V fistula or graft
⩥ PIV ideal sites; PIV avoid sites: Answer: Ideal sites: Cephalic,
Median/Accessory veins, Basilic veins
Avoid: areas of flexion (ex: hands, wrist, A/C)
⩥ How much of the catheter do you wants to dwell in the vessel with
ultrasound? Answer: >50%
⩥ Pediatric PIV sites Answer: **In pts <18months: Scalp (Superficial
temporal, Frontal, Post-aurical, External Jugular (EJ)
In pts who aren't crawling or walking yet: Saphenous (leg), Metatarsals
(foot)
⩥ Midline Indications:
1.
2.
3. Answer: 1. Infusions projected from 6 days-4 weeks
2. Non-irritating medications & solutions
3. Non-vesicant medications & solutions