ATI LPN
Study Guide for Fundamentals of Nursing Care: Concepts, Connections & Skills
Chapter 38 : Intravenous Therapy Questions
Question 1 of 5
Which type IV solution will cause cellular dehydration if infused unnecessarily?
Correct Answer: C
Rationale: Hypertonic solutions draw water out of cells due to high osmolarity, causing cellular dehydration if not needed.
Question 2 of 5
Which of the following IV catheters with plastic cannulas are the smallest in diameter?
Correct Answer: E
Rationale: Smaller gauge numbers indicate larger diameters; $29 \mathrm{~g}$ is the smallest diameter.
Question 3 of 5
You are about to attempt to initiate an IV on a 97-year-old female with tiny, fragile veins. Which of the following access devices would most likely be your best choice?
Correct Answer: C
Rationale: A $25 \mathrm{~g}$ winged butterfly with cannula is small and suitable for fragile veins, providing stability and reducing trauma.
Question 4 of 5
How does an intermittent prn lock differ from a traditional IV site?
Correct Answer: D
Rationale: A prn lock (saline lock) allows intermittent access without continuous infusion, unlike traditional IVs that often run fluids continuously.
Question 5 of 5
Which of the following explanations of the differences between IV push and IVPB routes of administration are correct?
Correct Answer: C,D
Rationale: IVPB involves medication diluted in 50-250 mL, infused over a longer period, while IV push is a direct, rapid injection into the IV port.