Nokea
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?
- A. 27 g ? 1 in winged butterfly without cannula
- B. 22 g ? 1¼ in intracath
- C. 25 g ? 1 in winged butterfly with cannula
- D. 23 g ? 1 in intracath
Correct Answer: C
Rationale: A $25 \mathrm{~g}$ winged butterfly with cannula is small and suitable for fragile veins, providing stability and reducing trauma.
You may also like to solve these questions
Name four of the most commonly used veins for IV initiation.
- A. Cephalic, basilic, median cubital, radial
- B. Cephalic, basilic, median cubital, dorsal hand veins
- C. Brachial, radial, ulnar, saphenous
- D. Femoral, jugular, subclavian, cephalic
Correct Answer: B
Rationale: Cephalic, basilic, median cubital, and dorsal hand veins are large, accessible, and commonly used for IV placement.
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.
The health care provider has ordered the IV to infuse at 75 mL/hr. The tubing's drop factor is 10. Calculate the gravity infusion rate. Show your work:
Correct Answer: 13 gtt/min
Rationale: Formula: (75 mL ? 10 gtt/mL) ÷ 60 min = 750 ÷ 60 = 12.5, rounded to 13 gtt/min.
Before you can safely administer IV medications, there are several things that you must know including
- A. If the patient has ever had IV medications before.
- B. The patient's medication allergies.
- C. The patient's disease or condition.
- D. Sterile technique.
Correct Answer: B,C,D
Rationale: Knowing the patient's allergies prevents adverse reactions, understanding their condition ensures appropriate treatment, and sterile technique prevents infections.
A __ forms when one of the agents in a solution separates from the solvent and becomes a solid, insoluble product that looks cloudy, hazy, or like fine floating crystals.
- A. Emulsion
- B. Precipitate
- C. Solution
- D. Suspension
Correct Answer: B
Rationale: A precipitate is a solid that forms in a solution when components become insoluble, appearing cloudy or crystalline.