ATI LPN
Pharmacology for LPN
1. The nurse is assisting in the care of a client with a history of chronic obstructive pulmonary disease (COPD) who is on oxygen therapy. Which action should the nurse take to ensure the client's safety?
- A. Set the oxygen flow rate to 4 liters per minute.
- B. Remove oxygen while the client is eating.
- C. Ensure the client wears a nasal cannula instead of a face mask.
- D. Maintain the oxygen flow rate at the lowest level that relieves hypoxia.
Correct answer: D
Rationale: For clients with COPD, too much oxygen can suppress their drive to breathe, leading to hypoventilation. Therefore, the nurse should maintain the oxygen flow rate at the lowest level that relieves hypoxia to prevent complications while ensuring adequate oxygenation. Setting the oxygen flow rate too high (Choice A) can be detrimental for the client with COPD. Removing oxygen while the client is eating (Choice B) can compromise oxygenation, which is essential even during meals. While nasal cannulas are commonly used, the choice of oxygen delivery device depends on the client's needs; there may be situations where a face mask (Choice C) is more appropriate.
2. The client with diabetes mellitus has gangrene of the toes to the midfoot. Which goal should be included in this client's plan of care?
- A. Restore skin integrity.
- B. Prevent infection.
- C. Promote healing.
- D. Improve nutrition.
Correct answer: B
Rationale: Preventing infection is crucial in clients with gangrene to halt the spread of infection and avert further complications. Infections can exacerbate tissue damage and lead to systemic complications, making infection prevention a priority in the care plan for this client. Restoring skin integrity and promoting healing may not be achievable goals until the infection is under control. Improving nutrition is important for overall health but may not be the priority when the immediate concern is preventing infection.
3. What preoperative instruction should the LPN/LVN reinforce to a client scheduled for a carotid endarterectomy?
- A. You will need to be NPO after midnight before the surgery.
- B. You should avoid deep breathing and coughing after the surgery.
- C. You will be able to eat and drink normally after the procedure.
- D. You can take all of your prescribed medications the morning of surgery.
Correct answer: A
Rationale: The correct preoperative instruction that the LPN/LVN should reinforce to a client scheduled for a carotid endarterectomy is being NPO after midnight before the surgery. This instruction is essential to prevent aspiration and ensure a safe procedure. Avoiding oral intake helps reduce the risk of complications during anesthesia induction and the surgical process. Choices B, C, and D are incorrect because avoiding deep breathing and coughing, resuming normal eating and drinking, and taking all prescribed medications the morning of surgery are not recommended preoperative instructions for a carotid endarterectomy.
4. A client with heart failure is prescribed an angiotensin-converting enzyme (ACE) inhibitor. What instruction should the nurse reinforce to the client?
- A. Take the medication at bedtime.
- B. Report a persistent dry cough.
- C. Increase potassium-rich foods in the diet.
- D. Avoid taking the medication with meals.
Correct answer: B
Rationale: The correct answer is B. A persistent dry cough is a common side effect of ACE inhibitors and should be reported to the healthcare provider. This symptom can indicate a potential issue with the medication that may require adjustment or discontinuation. Choices A, C, and D are incorrect. Taking the medication at bedtime or with meals is not a specific instruction for ACE inhibitors. Increasing potassium-rich foods in the diet is not directly related to ACE inhibitor therapy and may not be suitable for all patients.
5. A client with chronic heart failure has been prescribed furosemide (Lasix). Which instruction should the nurse reinforce to the client regarding this medication?
- A. Take the medication with food.
- B. Limit foods high in potassium while taking this medication.
- C. Report any muscle cramps or weakness to your healthcare provider.
- D. Expect to urinate more frequently while on this medication.
Correct answer: C
Rationale: The correct instruction for the nurse to reinforce to the client regarding furosemide (Lasix) is to report any muscle cramps or weakness to the healthcare provider. Muscle cramps or weakness may indicate hypokalemia, a potential side effect of furosemide. Monitoring and reporting these symptoms promptly can help in preventing complications related to electrolyte imbalances. Choice A is incorrect because furosemide should be taken on an empty stomach. Choice B is not directly related to furosemide use; in fact, foods high in potassium may be beneficial for clients taking furosemide to prevent hypokalemia. Choice D is a common expected side effect of furosemide due to its diuretic action but is not as crucial to report as potential signs of electrolyte imbalances.
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