ATI RN
ATI Proctored Pharmacology Test
1. A client with HIV-1 infection is prescribed zidovudine as part of antiretroviral therapy. The nurse should monitor the client for which of the following adverse effects of this medication?
- A. Cardiac dysrhythmia
- B. Metabolic alkalosis
- C. Renal failure
- D. Aplastic anemia
Correct answer: D
Rationale: Corrected Rationale: Zidovudine is associated with the development of aplastic anemia, a serious adverse effect characterized by bone marrow suppression. Regular monitoring is essential to detect this side effect early and prevent complications. Cardiac dysrhythmia, metabolic alkalosis, and renal failure are not commonly associated with zidovudine use, making them incorrect choices for adverse effects of this medication.
2. Which of the following is considered a class IA Sodium Channel blocker?
- A. Mexiletine
- B. Amiodarone
- C. Quinidine
- D. Procainamide
Correct answer: D
Rationale: Procainamide is a class IA antiarrhythmic drug that acts as a sodium channel blocker by blocking fast sodium channels. Mexiletine is a class IB antiarrhythmic drug, not class IA. Amiodarone is a class III antiarrhythmic, and Quinidine is a class IA antiarrhythmic but not a sodium channel blocker.
3. A client has a new prescription for Diltiazem. Which of the following statements should the nurse include in the teaching?
- A. This medication may cause dry mouth.
- B. You should avoid drinking grapefruit juice.
- C. You may experience a rapid heart rate.
- D. Increase your intake of fiber-rich foods.
Correct answer: B
Rationale: The correct statement to include when teaching a client about Diltiazem is to avoid drinking grapefruit juice. Grapefruit juice can increase the levels of diltiazem in the blood, leading to potential toxicity and increased side effects. It is important for the client to be aware of this interaction to ensure the safe and effective use of the medication. Option A is incorrect because dry mouth is not a common side effect of Diltiazem. Option C is incorrect because Diltiazem is actually used to treat rapid heart rates. Option D is unrelated to the medication and not relevant to the teaching.
4. A healthcare provider in an emergency unit is reviewing the medical record of a client who is being evaluated for angle-closure glaucoma. Which of the following findings are indicative of this condition?
- A. Insidious onset of painless loss of vision
- B. Gradual reduction in peripheral vision
- C. Severe pain around the eyes
- D. Intraocular pressure of 12mm Hg
Correct answer: C
Rationale: Severe pain around the eyes that radiates over the face is a characteristic symptom of acute angle-closure glaucoma. This intense pain is typically accompanied by other symptoms such as blurred vision, halos around lights, redness in the eye, and sometimes nausea and vomiting. The acute rise in intraocular pressure leads to these symptoms, indicating a medical emergency that requires immediate attention to prevent vision loss. Choices A, B, and D are incorrect. Insidious onset of painless loss of vision is more suggestive of conditions like age-related macular degeneration or diabetic retinopathy. Gradual reduction in peripheral vision is commonly seen in conditions like open-angle glaucoma. An intraocular pressure of 12mm Hg is within the normal range and not indicative of the acute rise seen in angle-closure glaucoma.
5. A client is taking Digoxin and has a new prescription for Colesevelam. Which of the following instructions should the nurse include in the teaching?
- A. Take digoxin with your morning dose of colesevelam.
- B. Your sodium and potassium levels will be monitored periodically while taking colesevelam.
- C. Watch for bleeding or bruising while taking colesevelam.
- D. Take colesevelam with food and at least one glass of water.
Correct answer: D
Rationale: When taking colesevelam, it should be administered with food and at least 8 oz of water to ensure proper absorption and reduce the risk of gastrointestinal side effects. Taking colesevelam with food also helps in binding to bile acids efficiently. Options A, B, and C are incorrect because they do not provide the necessary instruction for taking colesevelam correctly or monitoring specific side effects associated with this medication.
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