Caring for CVAD - post test 1 Questions Answered Correctly Graded A+

Caring for CVAD - post test 1 Questions Answered Correctly Graded A+ What is the primary advantage of a central vascular access device over the use of a peripheral IV? a It can remain in place longer. b It is unaffected by movement. c There is an increased likelihood of extravasation. d Sepsis is less likely to develop. d Sterile technique is unnecessary. - Answers a It can remain in place longer A CVAD can remain in place for a longer period; therefore the patient is able to receive long-term therapy with repeated access to the venous system without frequent venipuncture A student nurse is observing a staff nurse care for a CVAD. The student nurse asks why a large central vein is necessary for a CVAD. What is the best response by the nurse? a. "It is necessary to prevent the vein from collapsing when the catheter is inserted." b "The large vessel lumen minimizes the risks of vessel irritation, inflammation, or sclerosis." c. "It has to be large enough for the catheter to fit." d. The large vessel lumen is less likely to develop clot formation than a small vein." - Answers b. "The large vessel lumen minimizes the risks of vessel irritation, inflammation, or sclerosis." The large vessel lumen minimizes the risk of complications related to vessel irritation, inflammation, or sclerosis. A patient is to begin chemotherapy and there is discussion regarding placement of a CVAD. Which statement requires correction? a. Medications that have a high osmolality can be administered through a CVAD. b. Implanted venous ports should be flushed monthly with heparin solution or 0.9% normal saline to maintain patency. c. The tunneled CVAD and implanted venous port are considered permanent. d. An implanted venous port and a percutaneous CVAD require surgical placement. - Answers d .An implanted venous port and a percutaneous CVAD require surgical placement. An implanted infusion port and a external tunneled CVAD require surgical placement. A percutaneous CVAD may be inserted at the patient's bedside. All other statements are true. An advantage of a multi-lumen CVAD is that it may be used to infuse incompatible solutions or medications and those with a high osmolality. Choose the characteristics of a tunneled central vascular access device (CVAD). (Select all that apply.) a. Held in place with a Dacron cuff. b Lower risk of infection than a nontunneled CVAD. c. Inserted through subcutaneous tissue between the clavicle and nipple, then into a large vein, and threaded into the superior vena cava. d. Inserted directly into a large vein. e. Inserted surgically with the patient in the operating ro