________________________________________
Section 5: Fundamentals of IV Therapy
for the CNJNE IV Certification Exam
Questions and Answers 2025
________________________________________
1. What is the most appropriate vein for initiating peripheral IV therapy
in adults?
A. Basilic vein
B. Dorsal metacarpal vein
C. Femoral vein
D. Jugular vein
Answer: B
Rationale: The dorsal metacarpal vein is commonly used for initial
peripheral IV access due to ease of access and low complication risk.
________________________________________
,2. What gauge catheter is most appropriate for administering blood
products?
A. 16-gauge
B. 18-gauge
C. 22-gauge
D. 24-gauge
Answer: B
Rationale: An 18-gauge catheter allows adequate flow and prevents
hemolysis during blood transfusion.
________________________________________
3. Which solution is isotonic?
A. 0.9% Sodium Chloride
B. 0.45% Sodium Chloride
C. 5% Dextrose in Water (D5W)
D. 3% Sodium Chloride
Answer: A
Rationale: 0.9% NS is isotonic and is commonly used for volume
replacement.
________________________________________
, 4. What is the primary reason to flush a peripheral IV catheter?
A. Administer medication
B. Prevent occlusion
C. Deliver blood products
D. Reduce infection risk
Answer: B
Rationale: Flushing helps maintain patency and prevents clot
formation inside the catheter.
________________________________________
5. Which of the following best describes infiltration?
A. Infection at the IV site
B. Dislodgement of the catheter into surrounding tissue
C. Air in the IV tubing
D. Painful, red, warm vein
Answer: B
Rationale: Infiltration occurs when IV fluid leaks into surrounding
tissue due to displacement of the catheter.
________________________________________
6. What is the proper technique for assessing an IV site for phlebitis?
Section 5: Fundamentals of IV Therapy
for the CNJNE IV Certification Exam
Questions and Answers 2025
________________________________________
1. What is the most appropriate vein for initiating peripheral IV therapy
in adults?
A. Basilic vein
B. Dorsal metacarpal vein
C. Femoral vein
D. Jugular vein
Answer: B
Rationale: The dorsal metacarpal vein is commonly used for initial
peripheral IV access due to ease of access and low complication risk.
________________________________________
,2. What gauge catheter is most appropriate for administering blood
products?
A. 16-gauge
B. 18-gauge
C. 22-gauge
D. 24-gauge
Answer: B
Rationale: An 18-gauge catheter allows adequate flow and prevents
hemolysis during blood transfusion.
________________________________________
3. Which solution is isotonic?
A. 0.9% Sodium Chloride
B. 0.45% Sodium Chloride
C. 5% Dextrose in Water (D5W)
D. 3% Sodium Chloride
Answer: A
Rationale: 0.9% NS is isotonic and is commonly used for volume
replacement.
________________________________________
, 4. What is the primary reason to flush a peripheral IV catheter?
A. Administer medication
B. Prevent occlusion
C. Deliver blood products
D. Reduce infection risk
Answer: B
Rationale: Flushing helps maintain patency and prevents clot
formation inside the catheter.
________________________________________
5. Which of the following best describes infiltration?
A. Infection at the IV site
B. Dislodgement of the catheter into surrounding tissue
C. Air in the IV tubing
D. Painful, red, warm vein
Answer: B
Rationale: Infiltration occurs when IV fluid leaks into surrounding
tissue due to displacement of the catheter.
________________________________________
6. What is the proper technique for assessing an IV site for phlebitis?
