ATI RN
ATI Pharmacology Proctored
1. 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.
2. A client has a new prescription for colchicine to treat gout. Which of the following instructions should be included?
- A. Take this medication with food if nausea develops.
- B. Monitor for muscle pain.
- C. Expect to have increased bruising.
- D. Increase your intake of grapefruit juice.
Correct answer: B
Rationale: Monitoring for muscle pain is crucial when taking colchicine because it can lead to rhabdomyolysis, a serious condition characterized by muscle breakdown. This adverse effect needs prompt identification to prevent complications. Choices A, C, and D are incorrect because taking colchicine with food, experiencing increased bruising, or increasing grapefruit juice intake are not relevant instructions for a client prescribed colchicine for gout.
3. Which of the following drugs is associated with extreme photosensitivity as a reaction?
- A. Digitalis
- B. Niacin
- C. Tetracycline
- D. Fluoroquinolones
Correct answer: C
Rationale: Tetracycline is known to cause extreme photosensitivity reactions, making individuals more sensitive to sunlight and increasing the risk of severe sunburn. It is essential for patients taking tetracycline to protect themselves from excessive sun exposure to prevent adverse reactions.
4. A client is taking Spironolactone. Which of the following laboratory findings should the nurse monitor and report to the provider?
- A. Sodium level of 138 mEq/L
- B. Potassium level of 5.2 mEq/L
- C. Chloride level of 100 mEq/L
- D. Calcium level of 9.5 mg/dL
Correct answer: B
Rationale: The correct answer is B: Potassium level of 5.2 mEq/L. Spironolactone is a potassium-sparing diuretic that can lead to hyperkalemia (elevated potassium levels). A potassium level of 5.2 mEq/L is considered elevated and should be reported to the provider for further assessment and management to prevent potential complications. Choices A, C, and D are not directly affected by Spironolactone and do not typically require immediate reporting unless there are other underlying issues or specific instructions for those electrolytes.
5. A client with peptic ulcer disease is prescribed omeprazole. Which finding should indicate to the nurse that the medication is effective?
- A. Relief of headache
- B. Relief of nausea
- C. Relief of abdominal pain
- D. Relief of heartburn
Correct answer: C
Rationale: Relief of abdominal pain is a key indicator of omeprazole effectively treating peptic ulcer disease. Omeprazole works by reducing stomach acid production, which helps alleviate abdominal pain associated with peptic ulcers. While relief of other symptoms like headache, nausea, and heartburn may also occur, the primary therapeutic goal of omeprazole in peptic ulcer disease is to reduce abdominal pain caused by gastric irritation. Therefore, the relief of abdominal pain is the most significant finding to indicate the effectiveness of omeprazole in this context. Choices A, B, and D may improve as a result of decreased stomach acid production, but they are not as specific or central to the therapeutic goal of treating peptic ulcer disease as the relief of abdominal pain.
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