Intravenous IV Therapy Adults Exam 1 Solutions 2022 Solutions
1. What equipment and supplies are needed for initiation of IV therapy?: can- nulas,
tourniquets, clean gloves, site cleansing agent, IV solution, IV tubing, IV pole, extension tubing,
and dressing
2. Using what gauge, what length catheter and in the what vein will reduce the mechanical and
chemical irritation to the vein wall?: smallest gauge, shortest length, and largest vein
3. What gauges do cannulas range?: 14 to 26
4. What length do over-the needle catheters range?: 3/4 to 3 inches
5. What length do butterfly style cannulas range?: 3/4 to 2 inches
6. What are the advantages of using extension tubing with over-the needle cannulas?: loops
tubing away from the insertion site preventing dislodgement and mechanical irritation if pulled,
tubing can be changed away from the insertion site, and decreased cannula manipulation and risk
for contamination
7. What gauge is used for children and elderly patients?: 22 to 26 gauge
8. What gauge is used for medical patients and postoperative patients?: 20 to 24 gauge
9. What gauge is used for surgical patients and rapid blood administration?-
: 18 gauge
10. What gauge is used for trauma patients and those requiring large vol- umes of fluid
rapidly?: 14 to 16 gauge