AVA CERTIFICATION EXAM QUESTIONS
AND ANSWERS: Vascular Access Device
Management
Why use 10 ml or larger syringe? - Answer-to minimize pressure on the catheter
What do "lock" solutions (final instilled solutions) include? - Answer-normal saline or heparinized saline
(10 to 1000 units per ml
How often do you change gauze dressings? - Answer-at least every two days
What is the preferred skin cleansing agent? - Answer-0.5% chlorhexidine preparation with alcohol
Apply with friction for at least 30 seconds
Allow skin to dry completely
How often should you assess CVAD? - Answer-every shift for leaking or visible damage
What are potential complications associated with damaged catheters? - Answer-catheter embolus,
infection, infiltration, extravasation, air embolism
AND ANSWERS: Vascular Access Device
Management
Why use 10 ml or larger syringe? - Answer-to minimize pressure on the catheter
What do "lock" solutions (final instilled solutions) include? - Answer-normal saline or heparinized saline
(10 to 1000 units per ml
How often do you change gauze dressings? - Answer-at least every two days
What is the preferred skin cleansing agent? - Answer-0.5% chlorhexidine preparation with alcohol
Apply with friction for at least 30 seconds
Allow skin to dry completely
How often should you assess CVAD? - Answer-every shift for leaking or visible damage
What are potential complications associated with damaged catheters? - Answer-catheter embolus,
infection, infiltration, extravasation, air embolism