Nokea
The interaction between the two drugs that causes a change in the activity or components of one or more of the drugs is known as a
- A. Synergism
- B. Drug interaction
- C. Antagonism
- D. Precipitation
Correct Answer: B
Rationale: A drug interaction occurs when one drug alters the effect or composition of another, potentially affecting efficacy or safety.
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The health care provider has ordered the IV to infuse at 30 mL/hr. The tubing's drop factor is 60. Calculate the gravity infusion rate.
Correct Answer: 30 gtt/min
Rationale: Formula: (30 mL ? 60 gtt/mL) ÷ 60 min = 1800 ÷ 60 = 30 gtt/min.
The IVPB is to infuse over 30 minutes. The PB solution bag is 50 mL. The tubing's drop factor is 12. Calculate the gravity infusion rate. Show your work.
Correct Answer: 20 gtt/min
Rationale: Formula: (50 mL ? 12 gtt/mL) ÷ 30 min = 600 ÷ 30 = 20 gtt/min.
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.
You are preparing the supplies to initiate an IV for one of your patients. You have assessed the expiration date of the IV tubing package and removed it from the packaging. Which of the following should you perform prior to spiking the IV solution bag?
- A. Close the roller clamp on the tubing.
- B. Prepare the IV start kit for use.
- C. Label the solution bag.
- D. Ensure that the air has been removed from the tubing.
Correct Answer: A
Rationale: Closing the roller clamp prevents air entry and uncontrolled fluid flow when spiking the bag.
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.