ATI RN
ATI Pharmacology Proctored Exam 2023
1. A healthcare professional is admitting a toddler to the hospital after an Acetaminophen overdose. Which of the following medications should the healthcare professional anticipate administering to this client?
- A. Acetylcysteine
- B. Pegfilgrastim
- C. Misoprostol
- D. Naltrexone
Correct answer: A
Rationale: The correct answer is Acetylcysteine. Acetylcysteine is the antidote for acetaminophen overdose. It works by replenishing glutathione, which is depleted in cases of acetaminophen overdose, thus preventing liver damage. Pegfilgrastim is a medication used to stimulate white blood cell production, misoprostol is a medication used to prevent gastric ulcers, and naltrexone is used in the management of opioid addiction and alcohol dependence, which are not indicated in the scenario described.
2. 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.
3. A client has a new prescription for Amlodipine. Which of the following instructions should the nurse include during discharge teaching?
- A. Take the medication at bedtime.
- B. Avoid drinking grapefruit juice.
- C. Increase your intake of high-sodium foods.
- D. Expect a dry cough.
Correct answer: B
Rationale: The correct instruction for the nurse to include during discharge teaching is to advise the client to avoid drinking grapefruit juice. Grapefruit juice can inhibit the metabolism of amlodipine, a calcium channel blocker, leading to increased drug levels in the blood. This can result in potentiated side effects and potential toxicity. Option A is incorrect as amlodipine is usually taken once daily, not specifically at bedtime. Option C is incorrect because high-sodium foods are generally discouraged in individuals with hypertension. Option D is incorrect as a dry cough is not an expected side effect of amlodipine.
4. A client has a new prescription for Zolpidem. Which of the following instructions should the nurse include?
- A. Notify the provider if you plan to become pregnant.
- B. Take the medication 1 hour before planning to go to sleep.
- C. Allow at least 6 hours for sleep when taking zolpidem.
- D. Do not take zolpidem with a bedtime snack.
Correct answer: A
Rationale: Zolpidem is classified as Pregnancy Risk Category C. It is important for the client to inform the provider if they plan to become pregnant because the medication may need to be adjusted or changed to ensure the safety of the fetus. This communication allows for appropriate monitoring and adjustments to be made to the treatment plan. Choice B is incorrect because zolpidem should be taken just before going to bed, not specifically 1 hour before. Choice C is incorrect as zolpidem is a short-acting medication, and it does not require a full 6 hours for sleep. Choice D is incorrect because zolpidem can be taken with or without food, so taking it with a bedtime snack is not contraindicated.
5. When should a patient taking omeprazole be administered the medication?
- A. Before bedtime
- B. After dinner
- C. In the morning on an empty stomach
- D. With the patient's lunch meal
Correct answer: C
Rationale: Omeprazole should be administered in the morning on an empty stomach to maximize its effectiveness. This timing is important as omeprazole works best when taken before a meal to inhibit acid production by the stomach. Taking it on an empty stomach in the morning allows the medication to be absorbed efficiently and provides optimal therapeutic effects throughout the day. Choices A, B, and D are incorrect because taking omeprazole before bedtime, after dinner, or with lunch may not allow the medication to work effectively as it requires an empty stomach for better absorption and action.
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