Nokea
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.
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Match each IV fluid with the appropriate term that accurately describes the solution's tonicity: Normosol R
- A. Isotonic
- B. Hypotonic
- C. Hypertonic
Correct Answer: A
Rationale: Normosol R is isotonic, designed to match plasma osmolarity.
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.
The word that means similar to infiltration but involves leakage of vesicant IV fluid medication into the tissue surrounding the IV insertion site is known as
- A. Infiltration
- B. Extravasation
- C. Embolism
- D. Thrombosis
Correct Answer: B
Rationale: Extravasation refers to the leakage of vesicant IV fluids, which can cause severe tissue damage, unlike infiltration, which involves non-vesicant fluids.
The liquid portion of the blood is known as
- A. Serum
- B. Plasma
- C. Lymph
- D. Cerebrospinal fluid
Correct Answer: B
Rationale: Plasma is the liquid component of blood, comprising water, electrolytes, and proteins.
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.