ATI RN
ATI Proctored Pharmacology Test
1. A client is being educated by a healthcare provider about managing Digoxin toxicity. Which statement by the client demonstrates an understanding of the teaching?
- A. I will take an extra dose of Digoxin if I miss one.
- B. I should notify my healthcare provider if I experience visual changes.
- C. I will stop taking Digoxin if my heart rate is below 70 bpm.
- D. I should take antacids to alleviate gastrointestinal upset.
Correct answer: B
Rationale: The correct answer is B. Visual changes, such as yellow or blurred vision, can be indicative of digoxin toxicity. It is crucial for clients to inform their healthcare provider promptly if they encounter these symptoms. Prompt medical attention can help manage potential toxicity and prevent complications. Choices A, C, and D are incorrect because taking an extra dose of Digoxin, stopping Digoxin based on heart rate alone, and using antacids for gastrointestinal upset are not appropriate actions when managing Digoxin toxicity.
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. In caring for a client who received IV Verapamil to treat supraventricular tachycardia (SVT) and presents with a pulse rate of 98/min and blood pressure of 74/44 mm Hg, the nurse should anticipate a prescription for which of the following IV medications?
- A. Calcium gluconate
- B. Sodium bicarbonate
- C. Potassium chloride
- D. Magnesium sulfate
Correct answer: A
Rationale: In this scenario, the client is experiencing severe hypotension due to Verapamil administration. The appropriate medication to counteract the vasodilation caused by Verapamil and reverse severe hypotension is Calcium gluconate, which should be administered slowly IV. Therefore, the correct choice is Calcium gluconate (Choice A). Sodium bicarbonate (Choice B) is not indicated for hypotension related to Verapamil use. Potassium chloride (Choice C) and Magnesium sulfate (Choice D) are not the appropriate medications to address the hypotension in this situation.
4. A client who is receiving combination chemotherapy is exhibiting a temperature of 38.1°C (100.6°F). Which of the following findings should the nurse identify as an indication of an oncologic emergency?
- A. Dry oral mucous membranes
- B. Nausea and vomiting
- C. Temperature of 38.1°C (100.6°F)
- D. Anorexia
Correct answer: C
Rationale: A temperature of 38.1°C (100.6°F) can indicate an infection, which is considered an oncologic emergency in clients undergoing chemotherapy due to the heightened risk of sepsis in immunocompromised individuals. Immediate assessment and intervention are crucial to prevent severe complications. Dry oral mucous membranes, nausea and vomiting, and anorexia are common side effects of chemotherapy but are not specific indicators of an oncologic emergency like a fever in this setting.
5. A healthcare professional is caring for a client who has a new prescription for Lisinopril. Which of the following laboratory values should the professional monitor?
- A. Serum potassium
- B. Serum sodium
- C. Serum calcium
- D. Serum magnesium
Correct answer: A
Rationale: Lisinopril is an ACE inhibitor that can cause hyperkalemia by reducing the excretion of potassium in the kidneys. Monitoring serum potassium levels is essential to prevent complications such as cardiac arrhythmias. Therefore, the healthcare professional should closely monitor the client's serum potassium levels when they are on Lisinopril. Choices B, C, and D are incorrect because Lisinopril primarily affects potassium levels due to its mechanism of action as an ACE inhibitor. Serum sodium, calcium, and magnesium levels are not typically affected by Lisinopril in the same way as potassium.
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