CDN Vascular Access Management

Question 1

Which type of vascular access is considered the gold standard for hemodialysis?

Accepted Answer

Arteriovenous fistula

Answer

Tunneled cuffed catheter

Answer

Arteriovenous graft

Answer

Non-tunneled catheter

Question 2

What is the recommended minimum maturation time for an AV fistula before first cannulation?

Accepted Answer

6–8 weeks

Answer

1–2 weeks

Answer

2–4 weeks

Answer

3–6 months

Question 3

A patient's AV graft has a palpable thrill that becomes weaker than usual. What does this most likely indicate?

Accepted Answer

Thrombosis or stenosis

Answer

Aneurysm formation

Answer

Infection

Answer

Hypotension

Question 4

Which cannulation technique involves rotating needle insertion sites along the entire length of the fistula?

Accepted Answer

Rope-ladder technique

Answer

Buttonhole technique

Answer

Area technique

Answer

Single-needle technique

Question 5

When assessing a tunneled hemodialysis catheter for infection, which finding requires immediate removal of the catheter?

Accepted Answer

Tunnel infection (purulent drainage along the tunnel)

Answer

Mild exit site redness

Answer

Superficial skin irritation

Answer

Slight blood-tinged drainage at exit site

Question 6

What is the correct response when a dialysis patient arrives with a non-tunneled temporary catheter and reports pain, swelling, and redness at the insertion site?

Accepted Answer

Notify the physician and withhold dialysis pending evaluation

Answer

Increase heparin lock volume

Answer

Proceed with dialysis using reduced blood flow

Answer

Apply warm compress and continue treatment