RN Exam Practice
Pharmacological and Parenteral TherapiesQuestion 1878 of 2368

Which syringe size should the nurse choose to flush a central venous access device?

  1. A 10-mL syringe
  2. A 1-mL syringe
  3. A 3-mL syringe
  4. A 5-mL syringe
Show answer

Correct answer: A 10-mL syringe

Smaller syringes generate higher pressure, which can damage or rupture the lumen. A 10-mL or larger syringe is used.

Source: Nursing Advanced Skills (Open RN, Chippewa Valley Technical College, 2023), Manage Central Lines: Flushing and Locking CVADs. Licensed under CC BY 4.0.

Practice the topic "Pharmacological and Parenteral Therapies"

Questions last reviewed: 18 October 2026