Nokea
Match each IV fluid with the appropriate term that accurately describes the solution's tonicity: D5 NS
- A. Isotonic
- B. Hypotonic
- C. Hypertonic
Correct Answer: C
Rationale: D5 NS is hypertonic, as previously noted, due to high osmolarity from dextrose and sodium.
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Characteristics of a 'good' vein site to use for IV initiation include which of the following?
- A. Vein feels firm, hard, and sturdy
- B. Vein has a bifurcation
- C. Vein feels spongy and bouncy
- D. Vein rolls easily
- E. Vein is easy to feel
Correct Answer: C,E
Rationale: A good vein is spongy, bouncy, and palpable, indicating it's healthy and accessible.
Which of the following is the most important concept related to IV therapy?
- A. Maintain strict asepsis.
- B. Monitor IV infusion rate.
- C. Maintain fluid balance.
- D. Educate the patient about the IV therapy.
Correct Answer: A
Rationale: Strict asepsis is critical to prevent infections, which are a major risk in IV therapy.
What is the term for removing air from the IV tubing?
- A. Flushing
- B. Priming
- C. Purging
- D. Venting
Correct Answer: B
Rationale: Priming the IV tubing removes air to prevent air embolism during infusion.
When you are administering hypotonic IV solutions, you know that the fluids are going to
- A. Cause shifting of body fluids into the intravascular space.
- B. Cause shifting of body fluids from the intracellular spaces into the interstitial spaces.
- C. Cause shifting of body fluids out of the intravascular space and into the interstitial spaces, and then eventually into the intracellular spaces, rehydrating the cells.
- D. Remain in their original fluid compartments.
Correct Answer: C
Rationale: Hypotonic solutions have lower osmolarity, causing fluid to move from the intravascular space into cells, aiding rehydration.
Which of the following restrictions is(are) accurate with regard to selecting a vein for use when restarting an infiltrated IV?
- A. You cannot use the same vein again for 12 hours.
- B. You should use the same arm again to prevent soreness in both of the patient's arms.
- C. If you use the same vein where the IV infiltrated, you must use a site distal to the old site.
- D. The best veins to use are those of the forearm.
- E. Once an IV has infiltrated in the forearm, it should be restarted in the hand on that arm.
Correct Answer: C
Rationale: Using a distal site on the same vein avoids complications from the infiltrated area.