Question

A nurse is changing the dressing on a central venous access device (CVAD) that has a transparent semipermeable membrane dressing. What is the appropriate frequency for changing this type of dressing?

Answer 1

Correct Answers:

Every 5 to 7 days

Rationale :

🔷 Transparent semipermeable membrane (TSM) dressings are designed to remain sterile and intact for 5–7 days unless soiled or loose, aligning with CDC and INS standards.

🔷 These dressings allow continuous visualization of the CVAD site, reducing the need for frequent manipulation, which lowers the risk of infection.

🔷 Changing the dressing too often disrupts the sterile barrier and increases infection risk by exposing the insertion site unnecessarily.

🔷 TSM dressings are moisture-vapor permeable, maintaining a protective seal for nearly a week without compromising skin integrity.

🔷 Evidence-based practice supports 5–7-day intervals because central lines require minimal disturbance to reduce CLABSI risk.

Every 48 hours

🔷 Changing every 48 hours is recommended for gauze dressings, not transparent dressings.

🔷 This frequency would cause unnecessary site manipulation and increase infection risk.

Every week

🔷 “Every week” is vague and exceeds the maximum safe interval (7 days) allowed for TSM dressings.

🔷 Delaying beyond 7 days increases bacterial colonization risk.

Every 24 hours

🔷 Daily dressing changes are excessive and contradict sterile line-care guidelines.

🔷 Frequent changes raise contamination risk and compromise CVAD stability.

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Answer 2

Correct Answers:

Clamp the IV tubing, remove the old tubing, attach the new tubing, and unclamp

Rationale :

🔶 Clamping prevents air from entering the line, which is essential to prevent air embolism and accidental free-flow of IV fluid.

🔶 Removing the old tubing first maintains control of the line and avoids contamination.

🔶 Attaching new tubing while the line is still clamped ensures proper priming and sterility before infusion resumes.

🔶 Unclamping at the end re-establishes fluid flow safely after the system is secured.

🔶 This sequence supports aseptic technique, patient safety, and correct pressure management.

Incorrect Options

Attach the new tubing, clamp the IV line, and remove the old tubing

🔶 This exposes the tubing end to air before clamping, increasing embolism risk.

🔶 It also risks accidental leakage or contamination.

Unclamp the IV tubing, attach the new tubing, and remove the old tubing

🔶 Leaving the line unclamped during manipulation is unsafe and may cause uncontrolled fluid flow.

🔶 This violates safe IV-changing protocols.

Remove the old tubing, attach the new tubing, and unclamp the IV line

🔶 Removing the old tubing without clamping first risks air entry and leakage.

🔶 Sequence fails to prioritize patient safety.

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Answer 3

Correct Answers

Blank 1 Correct Option: Infection
Blank 2 Correct Option: Monitor for changes at the site and Administer antibiotics
Blank 3 Correct Option: Client’s temperature and Redness and swelling at the site

Rationale :

💠 The presence of redness, tenderness, and swelling extending 2 cm strongly indicates local catheter-site infection.

💠 Ultrasound showing a localized fluid collection supports a diagnosis of infection rather than phlebitis or thrombosis.

💠 The provider ordered vancomycin, confirming suspicion of a bacterial process requiring antibiotic therapy.

💠 Monitoring site changes every 2 hours aligns with early detection of worsening infection or progression to CLABSI.

💠 Assessing temperature is essential because early infection may be afebrile but can progress to systemic involvement.

Phlebitis

💠 Phlebitis presents with streaking along the vein, pain, and warmth, but not usually fluid collection on ultrasound.

💠 Antibiotics are not first-line treatment for uncomplicated phlebitis.

Extravasation

💠 Extravasation involves vesicant leakage into tissue and often causes blistering—not the case here.

💠 Ultrasound would show infiltrated IV fluid rather than infectious collection.

Thrombosis

💠 Thrombosis would cause edema and decreased blood return but not redness spreading or fluid collection.

💠 Pain is usually deeper and less erythematous.

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Answer 4

Correct Answers

Perform hand hygiene before preparing medications [ Anticipated ]
Assess the client for desired effects or adverse effects 1 hour after medication administration [ Contraindicated ]
Verify the client's identity using two Identifiers [ Anticipated ]

Rationale :

💎 Hand hygiene is a foundational infection-control step that prevents contamination before medication preparation.

💎 Using two identifiers (name, DOB) prevents medication administration errors, a core patient-safety practice.

💎 These actions match the “rights of medication administration,” especially the rights of patient, dose, and safety.

💎 They ensure safe preparation steps BEFORE the medication reaches the client.

💎 Monitoring effects after administration is important—but it is NOT a preparation-phase task.

Assess for effects 1 hour after medication administration

💎 This is a “post-administration evaluation,” not a preparation action.

💎 Does not contribute to safe preparation.

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Answer 5

Correct Answers:

125 mL/hr.

Rationale :

◈ IV pump rate formula: Total volume ÷ hours → 1000 mL ÷ 8 hr = 125 mL/hr.

◈ The pump must be exact because incorrect rates can lead to underhydration or fluid overload.

◈ Infusion pumps administer fluids based on hourly precision, making accurate calculation essential for safety.

◈ Normal saline requires controlled infusion to avoid electrolyte shifts or circulatory overload.

◈ This calculation aligns with standard nursing dosage-calculation principles.

100 mL/hr

◈ Would deliver only 800 mL in 8 hours, leading to under-infusion.

◈ Fails to meet provider order.

150 mL/hr

◈ Would deliver 1200 mL, exceeding the ordered volume.

◈ Places patient at risk for fluid overload.

80 mL/hr

◈ Only 640 mL would infuse, under 2/3 of ordered amount.

◈ Could compromise fluid balance.

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Answer 6

Correct Answers:

Tunneled CVADS are surgically implanted under the skin and have a cuff to secure the catheter, reducing infection risk, whereas nontunneled CVADs are percutaneously inserted at the bedside without a cuff and are intended for short-term use.

Rationale :

✨ Tunneled CVADs are placed surgically under the skin, creating a subcutaneous tunnel that lowers infection risk.

✨ They contain a Dacron cuff that promotes tissue ingrowth, increasing stability and reducing bacterial entry.

✨ Tunneled lines are designed for long-term therapy, such as TPN or chemotherapy.

✨ Nontunneled CVADs are inserted percutaneously at the bedside, usually in emergencies or for short-term use.

✨ Correctly distinguishing these devices ensures proper maintenance and prevents CLABSI.

Nontunneled require surgical insertion

✨ Nontunneled lines do not require surgery—they are placed at bedside.

✨ They are intended for short-term, not long-term placement.

Tunneled CVADs do not require sterile dressing changes

✨ All central lines require sterile dressing care.

✨ This option falsely minimizes infection-control steps.

Nontunneled are implanted under the chest wall skin

✨ Nontunneled catheters are not implanted; they enter directly through the skin.

✨ This description incorrectly refers to implanted ports.

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Answer 7

Correct Answers:

Selecting veins that are proximal to previously accessed sites.

Rationale :

🔹 Choosing a vein proximal avoids puncturing damaged or fragile distal veins.

🔹 Previously used sites may have irritation, reducing success of cannulation.

🔹 Proximal sites improve blood flow, lowering risk of infiltration.

🔹 This selection helps preserve distal sites for future IV access.

🔹 It aligns with vein-preservation guidelines, especially important in long-term therapy.

Choosing small veins in the hand for all adults

🔹 Small hand veins have higher risk of infiltration and dislodgement.

🔹 Not appropriate for all patients.

Choosing a vein in an area of flexion

🔹 Flexion areas (wrist, AC) increase kinking and dislodgement.

🔹 Can cause infusion flow issues.

Using veins with smaller diameter than the catheter

🔹 This increases vein trauma.

🔹 Raises risk of phlebitis and infiltration.

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Answer 8

Correct Answers:

Inserts the new device distal to the old IV site.

Rationale :

◆ Placing the new catheter distal protects the vein above from contamination.

◆ It avoids advancing fluid into an area potentially irritated by a previous cannula.

◆ This follows vein-preservation standards.

◆ It reduces risk of phlebitis, infiltration, and infection.

◆ Ensures optimal site integrity for successful cannulation.

Incorrect Answers (2 points each)

Leaves small air bubbles in the infusion tubing

◆ Air bubbles risk air embolism and compromise medication accuracy.

◆ Tubing must always be fully primed.

Wears clean gloves during insertion

◆ IV insertion requires sterile or aseptic technique—not clean gloves only.

◆ Clean gloves do not prevent bloodstream infection.

Shaves the hair on the client’s skin

◆ Shaving increases micro abrasions, raising infection risk.

◆ Hair should be clipped, not shaved.

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Answer 9

Correct Answers:

Inserts the new device distal to the old IV site.

Rationale :

◆ Placing the new catheter distal protects the vein above from contamination.

◆ It avoids advancing fluid into an area potentially irritated by a previous cannula.

◆ This follows vein-preservation standards.

◆ It reduces risk of phlebitis, infiltration, and infection.

◆ Ensures optimal site integrity for successful cannulation.

Leaves small air bubbles in the infusion tubing

◆ Air bubbles risk air embolism and compromise medication accuracy.

◆ Tubing must always be fully primed.

Wears clean gloves during insertion

◆ IV insertion requires sterile or aseptic technique—not clean gloves only.

◆ Clean gloves do not prevent bloodstream infection.

Shaves the hair on the client’s skin

◆ Shaving increases micro abrasions, raising infection risk.

◆ Hair should be clipped, not shaved.

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Answer 10

Correct Answers:

22-gauge catheter

Rationale :

🌟 A 22-gauge is appropriate for pediatrics because it fits small, fragile veins.

🌟 It allows effective delivery of antibiotics without excessive vein trauma.

🌟 Larger gauges increase risk of infiltration and pain.

🌟 This size supports safe flow rates while maintaining vein integrity.

🌟 It matches pediatric IV therapy recommendations.

Incorrect Answers (2 points each)

14-gauge catheter

🌟 Too large; causes severe vein trauma.

🌟 Used for rapid resuscitation, not routine antibiotics.

20-gauge catheter

🌟 Still large for many 4-year-old veins.

🌟 Increases complication risk.

18-gauge catheter

🌟 Far too large; used for surgery/trauma adults.

🌟 Would cause unnecessary pain.

Distractor Analysis :

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Potential Action	Anticipated	Contraindicated
Perform hand hygiene before preparing medications
Assess the client for desired effects or adverse effects 1 hour after medication administration
Verify the client's identity using two Identifiers

ATI PN Fundamentals IV Fluids & Central Line Management Exam

No.

1 :
A nurse is changing the dressing on a central venous access device (CVAD) that has a transparent semipermeable membrane dressing. What is the appropriate frequency for changing this type of dressing?

2 :
A nurse needs to change the IV tubing for a client receiving peripheral IV therapy. What is the correct procedure for this task?

3 :
Client admitted with central venous catheter.

Correct Answers

4 :
A nurse is caring for a client who has been admitted for a routine observation.

Correct Answers

5 :
A nurse is setting the infusion rate for an IV fluid order of 1000 mL of normal saline over 8 hours. What should the infusion pump rate be ser to

7 :
What is the primary consideration for selecting a peripheral vein for IV insertion?

8 :
A nurse is assisting with supervising a newly licensed nurse replace a short-peripheral IV device for a client. Which of the following actions by the new nurse indicates an understanding of the procedure?

9 :
A nurse is assisting with supervising a newly licensed nurse replace a short-peripheral IV device for a client. Which of the following actions by the new nurse indicates an understanding of the procedure?

10 :
A nurse is preparing to insert a peripheral IV catheter in a 4-year-old pediatric client who requires intravenous antibiotics. Considering the patient's age and vein fragility, which gauge size catheter should the nurse select to ensure effective therapy and minimize vein trauma?

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ATI PN Fundamentals IV Fluids & Central Line Management Exam

No.

1 : A nurse is changing the dressing on a central venous access device (CVAD) that has a transparent semipermeable membrane dressing. What is the appropriate frequency for changing this type of dressing?

2 : A nurse needs to change the IV tubing for a client receiving peripheral IV therapy. What is the correct procedure for this task?

3 : Client admitted with central venous catheter.

Correct Answers

4 : A nurse is caring for a client who has been admitted for a routine observation.

Correct Answers

5 : A nurse is setting the infusion rate for an IV fluid order of 1000 mL of normal saline over 8 hours. What should the infusion pump rate be ser to

7 : What is the primary consideration for selecting a peripheral vein for IV insertion?

8 : A nurse is assisting with supervising a newly licensed nurse replace a short-peripheral IV device for a client. Which of the following actions by the new nurse indicates an understanding of the procedure?

9 : A nurse is assisting with supervising a newly licensed nurse replace a short-peripheral IV device for a client. Which of the following actions by the new nurse indicates an understanding of the procedure?

10 : A nurse is preparing to insert a peripheral IV catheter in a 4-year-old pediatric client who requires intravenous antibiotics. Considering the patient's age and vein fragility, which gauge size catheter should the nurse select to ensure effective therapy and minimize vein trauma?

1 :
A nurse is changing the dressing on a central venous access device (CVAD) that has a transparent semipermeable membrane dressing. What is the appropriate frequency for changing this type of dressing?

2 :
A nurse needs to change the IV tubing for a client receiving peripheral IV therapy. What is the correct procedure for this task?

3 :
Client admitted with central venous catheter.

4 :
A nurse is caring for a client who has been admitted for a routine observation.

5 :
A nurse is setting the infusion rate for an IV fluid order of 1000 mL of normal saline over 8 hours. What should the infusion pump rate be ser to

7 :
What is the primary consideration for selecting a peripheral vein for IV insertion?

8 :
A nurse is assisting with supervising a newly licensed nurse replace a short-peripheral IV device for a client. Which of the following actions by the new nurse indicates an understanding of the procedure?

9 :
A nurse is assisting with supervising a newly licensed nurse replace a short-peripheral IV device for a client. Which of the following actions by the new nurse indicates an understanding of the procedure?

10 :
A nurse is preparing to insert a peripheral IV catheter in a 4-year-old pediatric client who requires intravenous antibiotics. Considering the patient's age and vein fragility, which gauge size catheter should the nurse select to ensure effective therapy and minimize vein trauma?