Nokea
The health care provider has ordered the IV to infuse at 100 mL/hr. The tubing's drop factor is 12. Calculate the gravity infusion rate. Show your work.
Correct Answer: 20 gtt/min
Rationale: Formula: (100 mL ? 12 gtt/mL) ÷ 60 min = 1200 ÷ 60 = 20 gtt/min.
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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.
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.
Which of the following should be assessed prior to initiating an IV?
- A. Toughness of the patient's skin
- B. Purpose of the IV
- C. If the patient is allergic to tape, latex, or iodine
- D. The patient's white blood cell count results
Correct Answer: B,C
Rationale: Knowing the IV's purpose ensures appropriate site and solution selection, and allergies prevent adverse reactions.
Another term for blood clot is
- A. Embolus
- B. Thrombus
- C. Plaque
- D. Hematoma
Correct Answer: B
Rationale: A thrombus is a stationary blood clot formed within a blood vessel.
How does an intermittent prn lock differ from a traditional IV site?
- A. The prn lock is used for continual infusion of IV fluids or medications.
- B. The patient with a prn lock must be stuck each time medication needs to be administered.
- C. The prn lock provides subcutaneous access rather than IV access.
- D. The prn lock allows for intermittent infusion of IV fluids or medications without requiring a continual infusion of fluids.
Correct Answer: D
Rationale: A prn lock (saline lock) allows intermittent access without continuous infusion, unlike traditional IVs that often run fluids continuously.