Nokea
Match each IV fluid with the appropriate term that accurately describes the solution's tonicity: LR
- A. Isotonic
- B. Hypotonic
- C. Hypertonic
Correct Answer: A
Rationale: Lactated Ringer's (LR) is isotonic, closely mimicking plasma osmolarity.
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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.
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.
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.
In reference to the blood vessels, a word that means hardened is
- A. Aneurysm
- B. Sclerosis
- C. Stenosis
- D. Varicosity
Correct Answer: B
Rationale: Sclerosis describes the hardening of blood vessels, often due to plaque buildup or aging.
Which type IV solution will cause cellular dehydration if infused unnecessarily?
- A. Isotonic solution
- B. Hypotonic solution
- C. Hypertonic solution
Correct Answer: C
Rationale: Hypertonic solutions draw water out of cells due to high osmolarity, causing cellular dehydration if not needed.