CRNI Infection Prevention and Control Questions and Answers

Question 1

A nurse is preparing to administer an intermittent IV antibiotic through a needleless connector on a patient's central venous catheter.
Which action is most critical for preventing intraluminal contamination?

Accepted Answer

Vigorously scrubbing the connector's surface with an appropriate antiseptic agent for a specified duration.

Answer

Flushing the line with 10 mL of sterile normal saline before and after the medication.

Answer

Changing the needleless connector immediately before administering the antibiotic.

Answer

Wearing sterile gloves during the entire medication administration process.

Question 2

According to the Infusion Nurses Society (INS) Standards of Practice, what is the recommended maximum time an administration set used for primary intermittent infusion of a non-lipid, non-blood solution should be used?

Accepted Answer

24 hours

Answer

12 hours

Answer

48 hours

Answer

96 hours

Question 3

A CRNI is preparing to insert a non-tunneled central venous catheter at the bedside. Which of the following lists all the essential components of maximal barrier precautions required to prevent a central line-associated bloodstream infection (CLABSI)?

Accepted Answer

A cap, mask, sterile gown, sterile gloves for the inserter, and a large sterile drape covering the patient.

Answer

Sterile gloves, a sterile gown, and a standard surgical mask for the inserter.

Answer

A large sterile drape covering the patient, sterile gloves, and a face shield for the inserter.

Answer

Sterile gloves and a small sterile fenestrated drape for the insertion site.

Question 4

When preparing a patient's skin for the insertion of a peripherally inserted central catheter (PICC), the CRNI uses a >0.5% chlorhexidine gluconate (CHG) with alcohol applicator. What is the most important procedural step after applying the antiseptic?

Accepted Answer

Allowing the site to air dry completely before puncturing the skin.

Answer

Wiping away the excess solution with a sterile gauze pad immediately.

Answer

Vigorously fanning the area to speed up the drying process.

Answer

Applying a topical anesthetic cream over the wet antiseptic solution.

Question 5

After accessing a multi-dose vial for the first time in a patient care area, what is the correct infection control practice for labeling the vial?

Accepted Answer

Label with the date opened and the beyond-use date.

Answer

Label with the patient's name and medical record number.

Answer

No label is needed if it is returned to the medication cart immediately.

Answer

Label with the name of the nurse who first accessed the vial.

Question 6

A nurse is assessing a peripheral IV catheter site that was inserted 48 hours ago. The patient reports tenderness, and the nurse observes erythema, warmth, and a palpable venous cord. The infusion is sluggish. Which of the following complications do these findings most strongly suggest?

Accepted Answer

Phlebitis

Answer

Infiltration

Answer

Local site infection

Answer

Catheter-related thrombosis

A nurse is preparing to administer an intermittent IV antibiotic through a needleless connector on a patient's central venous catheter.Which action is most critical for preventing intraluminal contamination?

A nurse is preparing to administer an intermittent IV antibiotic through a needleless connector on a patient's central venous catheter.
Which action is most critical for preventing intraluminal contamination?