CRNI Infection Control 2

Question 1

What is the recommended maximum dwell time for a peripheral IV catheter in an adult patient?

Accepted Answer

72-96 hours or based on clinical assessment

Answer

Current INS guidelines recommend replacing peripheral IV catheters every 72-96 hours or based on clinical indication, balancing infection risk with patient comfort.

Question 2

Which antiseptic solution is recommended as the FIRST-LINE agent for central line dressing changes?

Accepted Answer

Chlorhexidine gluconate with alcohol

Answer

Chlorhexidine gluconate (greater than 0.5%) with alcohol is the preferred antiseptic for central line site care due to its superior and prolonged antimicrobial activity.

Question 3

What is the proper technique for performing a catheter hub scrub to prevent CLABSI?

Accepted Answer

Vigorous scrubbing for at least 5-15 seconds with 70% alcohol or CHG

Answer

Hub scrubbing requires vigorous mechanical friction with an antiseptic for at least 5-15 seconds before each access to reduce intraluminal contamination.

Question 4

Which bundle element is MOST effective in reducing central line-associated bloodstream infections?

Accepted Answer

Maximum sterile barrier precautions during insertion

Answer

Maximum sterile barrier precautions during CVC insertion, including cap, mask, sterile gown, sterile gloves, and large sterile drape, significantly reduces CLABSI rates.

Question 5

A patient with a PICC line develops redness, swelling, and purulent drainage at the insertion site. What should the nurse suspect?

Accepted Answer

Exit site infection

Answer

Redness, swelling, and purulent drainage at the catheter insertion site are classic signs of an exit site infection requiring culture and potential catheter removal.

CRNI Exam Practice Test

CRNI Exam Practice Test

CRNI Infection Control 2