Linton: Introduction to Medical-Surgical Nursing, 6th Edition
Chapter 18: Intravenous Therapy
Answer Key – Open-Book Quiz
1. Intravenous therapy may be ordered when a rapid drug effect is needed, when the
3. Central veins are used when long-term therapy is required, when the patient has poor
4. One style has a self-sheathing stylet that retracts into a rigid chamber at the catheter
5. Advantages include easier insertion, cost savings, no risk of pneumothorax or
6. Factors that affect infusion rate are the height of the fluid container over the patient’s
head, the volume of fluid in the container, the viscosity of the fluid, cannula diameter,
7. Infiltration (extravasation) refers to leakage of fluid from a blood vessel. Infiltration
8. Use strict aseptic techniques when starting and handling intravenous infusions.
9. Signs and symptoms of fluid volume excess are rising blood pressure, bounding
pulse, and edema. Severe fluid volume excess produces congestive heart failure and
10. The infusion set must remain closed. When hanging new bags of fluid, clamp the