ATI RN
ATI Pharmacology Proctored
1. Which of the following is not a side effect of loop diuretics?
- A. Alkalosis
- B. Nausea
- C. Hypotension
- D. Potassium deficits
Correct answer: B
Rationale: Nausea is not commonly associated with loop diuretics. Loop diuretics are known to cause electrolyte imbalances such as potassium deficits, metabolic alkalosis, and hypotension due to excessive fluid loss. Nausea is not a typical side effect of loop diuretics.
2. What is the primary action of warfarin as an anticoagulant?
- A. Prevents the formation of blood clots
- B. Dissolves existing blood clots
- C. Dilates coronary arteries
- D. Treats rhythm disturbances
Correct answer: A
Rationale: The correct answer is A: "Prevents the formation of blood clots." Warfarin acts as an anticoagulant by inhibiting the synthesis of certain clotting factors in the liver. This action reduces the blood's ability to clot, making it effective in preventing the formation of blood clots. Choice B is incorrect because warfarin does not dissolve existing blood clots; it prevents their formation. Choice C is incorrect because warfarin's primary action is not to dilate coronary arteries. Choice D is incorrect as warfarin is not used to treat rhythm disturbances, but rather to prevent clot formation.
3. A client has a new prescription for Valsartan, and a nurse is providing discharge teaching. Which of the following instructions should the nurse include?
- A. Take this medication with food.
- B. Avoid potassium-rich foods.
- C. Expect to feel drowsy.
- D. Monitor your blood pressure daily.
Correct answer: D
Rationale: Monitoring blood pressure daily is crucial for clients taking Valsartan, an angiotensin II receptor blocker, to ensure effective management of hypertension. Valsartan helps lower blood pressure by relaxing blood vessels, and regular monitoring helps track the medication's effectiveness and any potential side effects. Choices A, B, and C are incorrect because Valsartan does not need to be taken with food, avoiding potassium-rich foods is not specifically required for this medication, and feeling drowsy is not a common side effect of Valsartan.
4. A healthcare professional is preparing to administer Diltiazem IV to a client who has atrial fibrillation. Which of the following findings should the healthcare professional report immediately?
- A. Bradycardia.
- B. Hypertension.
- C. Shortness of breath.
- D. Tachycardia.
Correct answer: A
Rationale: The correct answer is bradycardia. Diltiazem, a calcium channel blocker, can lead to bradycardia as a side effect. Bradycardia should be reported immediately because it can result in serious cardiac complications, especially in a client with atrial fibrillation. Hypertension, shortness of breath, and tachycardia are not typically associated with Diltiazem administration and would not be immediate concerns in this scenario.
5. A client prescribed Warfarin is receiving discharge instructions from a nurse. Which of the following herbal supplements should the nurse instruct the client to avoid?
- A. St. John's wort
- B. Echinacea
- C. Garlic
- D. Ginseng
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. Echinacea may increase the risk of bleeding when taken with Warfarin, garlic may potentiate the anticoagulant effects of Warfarin, and ginseng may also increase the risk of bleeding. However, St. John's wort is the most crucial to avoid due to its significant impact on Warfarin metabolism.
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