Questions and Correct Answers
(Verified Answers) with Rationales 2025
1. Which vein is most commonly used for peripheral IV insertion in the
forearm?
A. Basilic vein
B. Cephalic vein
C. Median cubital vein
D. Brachial vein
The cephalic vein is easily accessible and commonly used for peripheral IVs.
2. What is the primary purpose of IV therapy?
A. To avoid oral medications
B. To provide fluids, electrolytes, nutrients, or medications directly into the
bloodstream
C. To improve circulation
D. To prevent infection
IV therapy ensures immediate absorption and action in the body.
3. Before initiating IV therapy, which of the following must be verified?
A. Insurance coverage
B. The patient’s meal schedule
C. The healthcare provider's order
,D. Patient’s vaccination status
A physician or provider’s order is legally required before initiating IV therapy.
4. What is the appropriate angle for inserting a peripheral IV catheter?
A. 5–10 degrees
B. 10–30 degrees
C. 45–60 degrees
D. 60–90 degrees
An insertion angle of 10–30 degrees allows proper catheter placement without
puncturing through the vein.
5. In Florida, LPNs can perform IV therapy under which of the following
conditions?
A. With verbal consent from another nurse
B. Only in emergency departments
C. Under the supervision of an RN or physician
D. Only in home care settings
Florida law requires that LPNs perform IV therapy under RN or physician
supervision.
6. What is the best method to prevent phlebitis at an IV site?
A. Warming the site
B. Using proper aseptic technique and rotating sites every 72-96 hours
C. Administering heparin flush
D. Applying ice to the site
Aseptic technique and regular site rotation help reduce irritation and infection
risk.
, 7. Which of the following is a sign of infiltration?
A. Redness and warmth
B. Pulsating vein
C. Swelling and coolness at the site
D. Rapid heartbeat
Infiltration occurs when fluid leaks into tissue, causing swelling and a cool
sensation.
8. Which solution is isotonic?
A. 0.45% NaCl
B. 0.9% NaCl
C. D5W
D. 3% NaCl
0.9% Normal Saline is an isotonic solution, meaning it has the same osmolarity as
plasma.
9. Which of the following is considered a hypertonic solution?
A. 0.45% NaCl
B. D10W
C. D5W
D. Lactated Ringer’s
D10W has higher solute concentration, pulling fluid out of cells.
10.What is the best vein site for an IV start in an elderly patient?
A. Wrist
B. Forearm