Skip Navigation LinksHome > November 2012 - Volume 112 - Issue 11 > CE Test 2.5 Hours: Needleless Connectors for IV Catheters
AJN, American Journal of Nursing:
doi: 10.1097/01.NAJ.0000422254.18578.a8
Feature Articles

CE Test 2.5 Hours: Needleless Connectors for IV Catheters

Contrada, Emily

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Continued Education
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* Registration deadline is November 30, 2014.

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To provide registered professional nurses with information on the design, use, and potential risks of needleless connectors.

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After reading this article and taking this test, you will be able to

* compare a variety of needleless connectors and identify potential risks associated with various models and practices.

* outline nursing interventions to reduce risks associated with the use of needleless connectors.

1. An antimicrobial agent used in some needleless connectors is

a. silver nanoparticles.

b. neuraminidase inhibitors.

c. copper alloy.

d. sodium bicarbonate.

2. An example of a negative fluid displacement needleless connector with a split septum is the

a. Baxter Healthcare Clearlink.

b. CareFusion SmartSite.

c. BD Medical Q-Syte.

d. Baxter Healthcare V-Link.

3. Which needleless connector is power injectable?

a. RyMed Technologies Invision-Plus Junior

b. Baxter Healthcare Interlink

c. RyMed Technologies Invision-Plus EPI

d. ICU Medical Clave

4. The type of needleless connector that allows blood to reflux into the catheter lumen during disconnection has

a. positive displacement.

b. limited displacement.

c. negative displacement.

d. neutral displacement.

5. Potential risk factors with needleless connector device designs include all of the following except

a. opaque housing that prevents visualization of residual blood.

b. flat connection surfaces that are very difficult to clean.

c. spaces within mechanical valves that are extremely difficult to clean.

d. flat connection surfaces that may make it difficult to attach the IV set.

6. Which statement about biofilm is not accurate?

a. It is a substance that protects and surrounds organisms.

b. Heparin increases the growth of biofilm.

c. Biofilm reaches a steady state in needleless connectors within 48 hours.

d. Needleless connectors containing silver may significantly reduce downstream biofilm.

7. Research by Rupp and colleagues revealed dramatically increased rates of catheter-related bloodstream infections associated with

a. using needles with needleless connectors.

b. changing IV sets every 72 hours.

c. new staff training on the unit.

d. product changes.

8. According to a survey report by Delahanty and Myers, how many nurses did not routinely clean needleless connectors before access?

a. 3% to 4%

b. 7% to 8%

c. 10% to 11%

d. 13% to 14%

9. As noted by the author, the most important goal for managing IV administration sets and needleless connectors is to

a. flush with 10 mL of 0.9% saline before drug administration.

b. reduce the amount of manipulation as much as possible.

c. use a sterile needleless connector each time a secondary set is attached.

d. attach a needleless connector to the IV catheter hub and then attach the IV set to the needleless connector.

10. To protect the male luer end of an intermittent IV set from contamination, one should

a. cover the end with the foil package from the alcohol pad.

b. leave it connected to the primary continuous set.

c. cover the end with the cap from the flush syringe.

d. leave the luer end uncovered.

11. The Infusion Nursing Standards of Practice recommend changing an intermittent IV administration set every

a. 24 hours.

b. 48 hours.

c. 72 hours.

d. 96 hours.

12. Centers for Disease Control and Prevention guidelines advise changing needleless connectors no more frequently than every

a. 24 hours.

b. 48 hours.

c. 72 hours.

d. 96 hours.

13. Data from a 2012 study by Wright showed reduced intraluminal contamination of peripherally inserted central catheters when staff used

a. needleless connectors with luer lock connections.

b. protection caps.

c. chlorhexidine for needleless connector cleansing.

d. split-septum needleless connectors.

14. In a study by Cesaro and colleagues, the rate of catheter lumen occlusion in catheters flushed and locked weekly with saline was

a. 29.1%.

b. 40.2%.

c. 67.1%.

d. 82.2%.

15. The Infusion Nursing Standards of Practice recommend locking all central venous catheters with

a. a heparin lock solution (10 units per mL).

b. 0.9% saline solution (10 mL).

c. a heparin lock solution (100 units per mL).

d. 0.9% saline solution (20 mL).

16. Scrubbing needleless connections with 70% isopropyl alcohol for how long before use greatly reduces, but does not eliminate, contamination?

a. 5 seconds

b. 10 seconds

c. 15 seconds

d. 20 seconds

17. As suggested by some studies, when should needleless connectors be changed when using them to draw blood samples?

a. before drawing blood

b. between blood tubes

c. after drawing blood

d. before and after drawing blood samples

© 2012 Lippincott Williams & Wilkins, Inc.