ATI RN
ATI Pharmacology Proctored Exam 2023 Quizlet
1. What are the actions of the drug metformin?
- A. Decreases hepatic glucose production and intestinal glucose absorption
- B. Increases sensitivity to insulin
- C. Short-term sedation
- D. Both A and B
Correct answer: D
Rationale: Metformin has dual actions by decreasing hepatic glucose production and intestinal glucose absorption, which helps in reducing blood glucose levels. Additionally, it increases sensitivity to insulin, aiding in its proper utilization within the body. Choice A is correct as metformin acts by decreasing hepatic glucose production and intestinal glucose absorption. Choice B is also correct as metformin increases sensitivity to insulin. Choice C, short-term sedation, is incorrect as metformin is not known for causing sedation. Therefore, the correct answer is D because metformin performs both of these actions.
2. Potassium-sparing diuretics primarily affect which part of the kidney?
- A. Proximal convoluted tubule
- B. Loop of Henle
- C. Collecting duct
- D. Distal convoluted tubule
Correct answer: D
Rationale: Potassium-sparing diuretics exert their primary effects on the distal convoluted tubule in the kidney. By acting on this specific part of the nephron, these diuretics promote sodium excretion while sparing potassium, thus helping to maintain potassium levels in the body. This mechanism differs from other diuretics that may cause potassium loss as a side effect. Understanding the site of action of potassium-sparing diuretics is crucial in clinical practice for managing conditions like hypertension and edema where diuresis is necessary without the risk of hypokalemia.
3. When providing teaching to a client starting therapy with trastuzumab, which finding should the nurse instruct the client to report?
- A. Dyspnea
- B. Constipation
- C. Tinnitus
- D. Dry mouth
Correct answer: A
Rationale: The correct answer is A: Dyspnea. The nurse should instruct the client to report dyspnea because it can indicate pulmonary toxicity, a serious adverse effect of trastuzumab. Monitoring and early reporting of respiratory symptoms like dyspnea are essential to prevent further complications and ensure timely intervention. Choices B, C, and D are incorrect because constipation, tinnitus, and dry mouth are not typically associated with trastuzumab therapy and are not priority symptoms that require immediate reporting for this specific medication.
4. A client with chronic kidney disease has a new prescription for epoetin alfa. The nurse should instruct the client to increase dietary intake of which of the following substances?
- A. Iron
- B. Protein
- C. Potassium
- D. Sodium
Correct answer: A
Rationale: Patients with chronic kidney disease are often prescribed epoetin alfa to treat anemia. Epoetin alfa stimulates red blood cell production, increasing the body's demand for iron to support this process. Therefore, clients taking epoetin alfa should be advised to increase their dietary intake of iron-rich foods to meet the increased demand and prevent iron deficiency anemia. Choices B, C, and D are incorrect because while protein is essential for overall health, potassium and sodium intake may need to be restricted in clients with chronic kidney disease to manage electrolyte balance and blood pressure.
5. A client is receiving Morphine IV for pain management. Which of the following actions should the nurse take to monitor for adverse effects?
- A. Monitor the client's respiratory rate every 15 minutes.
- B. Monitor the client's blood pressure every 30 minutes.
- C. Monitor the client's oxygen saturation every hour.
- D. Monitor the client's heart rate every 5 minutes.
Correct answer: A
Rationale: The correct action for the nurse to monitor for adverse effects of Morphine IV is to check the client's respiratory rate every 15 minutes. Respiratory depression is a potentially life-threatening adverse effect of Morphine. Monitoring the respiratory rate frequently allows for early detection and intervention if needed. Monitoring blood pressure, oxygen saturation, or heart rate alone may not provide early signs of respiratory depression, which is a critical adverse effect of Morphine IV.
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