ATI RN
Pharmacology ATI Proctored Exam 2023
1. A client has been prescribed diltiazem (Cardizem) and asks the nurse what type of drug this is. Which response by the nurse is most appropriate?
- A. “A beta blocker.â€
- B. “A sodium channel blocker.â€
- C. “An alpha blocker.â€
- D. “A calcium channel blocker.â€
Correct answer: D
Rationale: Diltiazem (Cardizem) belongs to the class of drugs known as calcium channel blockers. These medications work by blocking calcium from entering the muscle cells of the heart and blood vessels, leading to relaxation of the blood vessels and reduced workload on the heart. This helps in lowering blood pressure and improving blood flow. It is crucial for the nurse to provide accurate information to the client about the type of drug prescribed to ensure understanding and compliance with the treatment plan.
2. A client has a new prescription for Enoxaparin. Which of the following instructions should the nurse include?
- A. Massage the injection site after administration.
- B. Aspirate before injecting the medication.
- C. Administer the medication into the abdomen.
- D. Administer the medication via intramuscular injection.
Correct answer: C
Rationale: The correct answer is to administer the medication into the abdomen. Enoxaparin is a medication that is administered subcutaneously, typically in the abdomen to ensure proper absorption. Massaging the injection site should be avoided as it can lead to bruising or bleeding under the skin. Aspirating before injecting the medication is not necessary for subcutaneous injections like Enoxaparin. Administering the medication via intramuscular injection is incorrect as Enoxaparin should be given subcutaneously.
3. A client with increased liver enzymes is taking herbal supplements. Which of the following herbal supplements should the nurse report to the provider?
- A. Glucosamine
- B. Saw palmetto
- C. Kava
- D. St. John's wort
Correct answer: C
Rationale: The nurse should report kava to the provider because chronic use or high doses of kava can lead to liver damage, including severe liver failure. It is crucial for the nurse to be vigilant about any herbal supplement that could potentially worsen the client's liver condition.
4. A client has a new prescription for nitroglycerin transdermal patches. Which of the following instructions should the nurse include?
- A. Apply the patch to a different location each day.
- B. Remove the patch every night before bedtime.
- C. Massage the patch area gently after application.
- D. Shave the area before applying the patch.
Correct answer: B
Rationale: The correct instruction for a client using nitroglycerin transdermal patches is to remove the patch every night before bedtime. This practice helps prevent tolerance to the medication's effects. Continuous exposure to nitroglycerin can result in the body becoming less responsive to its therapeutic effects over time, reducing its efficacy in managing the prescribed condition. Choices A, C, and D are incorrect. Applying the patch to a different location each day does not address the issue of tolerance. Massaging the patch area gently after application is not recommended as it may alter drug absorption. Shaving the area before applying the patch is unnecessary and may increase the risk of skin irritation.
5. A client has a new prescription for Efavirenz, an NNRTI. Which of the following instructions should the nurse include?
- A. Take this medication at bedtime to prevent drowsiness.
- B. Take this medication with a glass of milk.
- C. Take this medication with a glass of juice.
- D. Take this medication at the same time every day.
Correct answer: A
Rationale: The correct instruction is to take Efavirenz at bedtime to prevent drowsiness and manage central nervous system side effects like dizziness and vivid dreams. While it is important to take the medication at the same time daily for consistent blood levels, the emphasis should be on bedtime to minimize the impact of these side effects. Choices B and C suggesting taking the medication with milk or juice are incorrect and not relevant to optimizing Efavirenz therapy.
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