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. When providing teaching to a client with a prescription for Hydrochlorothiazide, which instruction should the nurse include?
- A. Take this medication at bedtime.
- B. Avoid foods high in potassium.
- C. Take this medication on an empty stomach.
- D. Monitor for signs of dehydration.
Correct answer: D
Rationale: The correct instruction for a client prescribed Hydrochlorothiazide is to monitor for signs of dehydration. Hydrochlorothiazide is a diuretic that can lead to fluid loss and electrolyte imbalance, potentially causing dehydration. Signs of dehydration include dry mouth, increased thirst, and decreased urine output. Therefore, it is essential for the client to be vigilant in recognizing these symptoms and seek medical attention if they occur. Choices A, B, and C are incorrect. Taking Hydrochlorothiazide at bedtime is not a specific instruction related to its effects or side effects. Avoiding foods high in potassium may be necessary for some medications, but it is not the primary concern with Hydrochlorothiazide. Taking this medication on an empty stomach is not a requirement and may vary depending on individual preferences or healthcare provider instructions.
3. A client in an acute care facility is receiving IV Nitroprusside for hypertensive crisis. The nurse should monitor the client for which of the following adverse reactions to this medication?
- A. Intestinal ileus
- B. Neutropenia
- C. Delirium
- D. Hyperthermia
Correct answer: C
Rationale: The correct answer is C: Delirium. When IV nitroprusside is administered at high dosages, it can lead to thiocyanate toxicity, resulting in mental status changes such as delirium. Monitoring thiocyanate levels during therapy is crucial to ensure they remain below 10 mg/dL to prevent this adverse reaction. Choices A, B, and D are incorrect because nitroprusside does not typically cause intestinal ileus, neutropenia, or hyperthermia as adverse reactions.
4. A client has a new prescription for Atenolol. Which of the following instructions should be included by the healthcare provider?
- A. Take this medication in the morning.
- B. Monitor your heart rate regularly.
- C. Avoid foods high in potassium.
- D. Increase your fluid intake.
Correct answer: B
Rationale: The correct answer is B. Atenolol is a beta-blocker that can cause bradycardia, leading to a decreased heart rate. Monitoring heart rate regularly is essential to detect any significant decreases promptly and seek medical attention. While choices A, C, and D may be relevant to the client's overall health, monitoring heart rate is the priority instruction due to the nature of Atenolol's effects. Taking the medication in the morning can be individualized based on the client's needs and preferences. Avoiding foods high in potassium and increasing fluid intake are generally beneficial but not directly related to managing the side effects of Atenolol.
5. The client makes which statement about lifestyle changes to reduce the development and progression of coronary artery disease that indicates the need for further teaching?
- A. “I will check my weight regularly for any gain or loss.”
- B. “I’ll make sure to take my high blood pressure medications.”
- C. “I am attending a smoking cessation class.”
- D. “As long as I exercise, stress at my job will not bother me.”
Correct answer: D
Rationale: The client stating, 'As long as I exercise, stress at my job will not bother me,' indicates a misunderstanding of the relationship between exercise and stress management. It is important to clarify that while exercise can help reduce stress, it may not eliminate all stressors, especially those related to work. Further teaching is needed to ensure the client understands the multifactorial approach required to address stress and its impact on coronary artery disease.
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