ATI Pharmacology

Correct Answer: A

Rationale: Nausea is a potential sign of Digoxin toxicity. Other signs include vomiting, visual disturbances, and confusion. These symptoms should be closely monitored by the nurse to detect toxicity early.

Correct Answer: C

Rationale: The correct way to administer eye drops is by instructing the client to drop the prescribed amount of medication into the center of the conjunctival sac. This technique helps in proper distribution and absorption of the medication.

Correct Answer: A

Rationale: St. John's wort can reduce the effectiveness of Warfarin by interacting with its metabolism pathways, potentially leading to decreased anticoagulant effects. Therefore, clients on Warfarin therapy should avoid St. John's wort. While echinacea, garlic, and ginseng are also herbal supplements that can interact with Warfarin, St. John's wort is particularly known for its significant impact on Warfarin metabolism.

Correct Answer: A

Rationale: Nausea is a potential sign of Digoxin toxicity. Other signs include vomiting, visual disturbances, and confusion. These symptoms should be closely monitored by the nurse to detect toxicity early.

Correct Answer: C

Rationale: The nurse should monitor the platelet count to determine the effectiveness of Oprelvekin. The expected outcome for this medication is a platelet count greater than 50,000/mm^3. Oprelvekin is a medication used to stimulate platelet production, making platelet count a crucial parameter to assess its effectiveness.