CDN Vascular Access Management 3

Question 1

What is the minimum acceptable blood flow rate (Qb) recommended for adequate hemodialysis through a permanent access?

Accepted Answer

300–400 mL/min

Answer

100–150 mL/min

Answer

150–200 mL/min

Answer

500–600 mL/min

Question 2

How long should pressure be held at the cannulation site after needle removal at the end of dialysis?

Accepted Answer

5–10 minutes or until bleeding stops

Answer

30 seconds to 1 minute

Answer

2–3 minutes

Answer

15–20 minutes always

Question 3

Which laboratory finding would most suggest early AV fistula maturation failure?

Accepted Answer

Access blood flow less than 500 mL/min at 6 weeks

Answer

Hemoglobin of 10 g/dL

Answer

Serum phosphorus of 5.5 mg/dL

Answer

BUN of 85 mg/dL pre-dialysis

Question 4

A patient with a forearm AV fistula reports hand pain, numbness, and coolness during dialysis. Which complication should the nurse suspect?

Accepted Answer

Steal syndrome

Answer

Pseudoaneurysm

Answer

Venous hypertension

Answer

Air embolism

Question 5

What infection prevention measure is MOST important when caring for a central venous catheter (CVC) used for hemodialysis?

Accepted Answer

Use strict aseptic technique with mask and sterile gloves during hub access

Answer

Change tubing after every treatment

Answer

Apply antibiotic ointment to the exit site daily

Answer

Heparin lock after every use

Question 6

Which patient education point is essential regarding AV fistula care between dialysis sessions?

Accepted Answer

Avoid tight clothing, jewelry, or blood pressure cuffs on the fistula arm

Answer

Apply ice packs to the fistula arm nightly

Answer

Sleep with the fistula arm elevated above heart level

Answer

Keep the fistula arm immobile to prevent dislodgement