ATI LPN
LPN Pharmacology Questions
1. A healthcare professional is assessing a client who has a new prescription for levothyroxine. Which of the following findings should the healthcare professional report to the provider?
- A. Weight gain
- B. Increased heart rate
- C. Heat intolerance
- D. Elevated blood pressure
Correct answer: C
Rationale: The correct answer is C: Heat intolerance. Heat intolerance is a concerning sign of levothyroxine toxicity and should be reported to the provider promptly. Levothyroxine is a medication used to treat hypothyroidism by supplementing the body's thyroid hormones. When a client experiences heat intolerance, it can indicate that the dose of levothyroxine is too high, leading to hyperthyroidism symptoms. Weight gain, increased heart rate, and elevated blood pressure are not typically associated with levothyroxine toxicity; instead, they are more commonly seen in conditions like hypothyroidism.
2. The client is reinforcing instructions for a low-sodium diet. Which statement by the client indicates a need for further teaching?
- A. I will avoid adding salt to my food while cooking.
- B. I will use salt substitutes instead of regular salt.
- C. I can eat as much processed food as I like since it's usually low in sodium.
- D. I will read food labels to check for sodium content.
Correct answer: C
Rationale: The correct answer is C. Processed foods often contain high amounts of sodium, so they should be limited or avoided on a low-sodium diet. Choosing processed foods can lead to increased sodium intake, counteracting the purpose of following a low-sodium diet. Option A shows an understanding of avoiding added salt, Option B suggests using alternatives to regular salt, and Option D indicates a willingness to check food labels for sodium content, all of which are appropriate for a low-sodium diet. Therefore, the client's statement about eating processed foods freely is incorrect and requires further teaching.
3. A client with a diagnosis of heart failure is prescribed spironolactone (Aldactone). Which laboratory value should the nurse monitor closely?
- A. Serum calcium
- B. Serum potassium
- C. Serum sodium
- D. Serum glucose
Correct answer: B
Rationale: The correct answer is B: Serum potassium. Spironolactone is a potassium-sparing diuretic, which can lead to hyperkalemia. Monitoring serum potassium levels is crucial to prevent potential complications related to high potassium levels, such as cardiac arrhythmias. Therefore, close monitoring of serum potassium is essential for clients taking spironolactone. Choices A, C, and D are incorrect because spironolactone does not directly impact serum calcium, sodium, or glucose levels significantly. While these values may be monitored for other reasons in a client with heart failure, they are not the primary focus of monitoring when spironolactone is prescribed.
4. When assessing a client receiving total parenteral nutrition (TPN), which laboratory value is most important for the nurse to monitor regularly?
- A. Albumin
- B. Calcium
- C. Glucose
- D. Alkaline phosphatase
Correct answer: C
Rationale: The most important laboratory value to monitor regularly in clients receiving total parenteral nutrition (TPN) is glucose. TPN solutions contain high concentrations of glucose, which can lead to hyperglycemia. Monitoring glucose levels is crucial to detect and prevent hyperglycemia, a common complication associated with TPN administration. Albumin (Choice A) levels are not typically affected by TPN administration. Calcium (Choice B) and alkaline phosphatase (Choice D) are not directly impacted by TPN and are not the primary values to monitor in TPN therapy.
5. The client with heart failure is prescribed furosemide (Lasix). Which electrolyte imbalance is the nurse most likely to monitor for?
- A. Hyperkalemia
- B. Hypernatremia
- C. Hypokalemia
- D. Hyponatremia
Correct answer: C
Rationale: The correct answer is C: Hypokalemia. Furosemide, a loop diuretic, commonly causes potassium loss, leading to hypokalemia. The nurse should closely monitor for decreased potassium levels in a client receiving furosemide to prevent complications such as cardiac arrhythmias or muscle weakness. Hyperkalemia (Choice A) is not typically associated with furosemide use. Hypernatremia (Choice B) refers to high sodium levels and is not the primary concern with furosemide. Hyponatremia (Choice D) is low sodium levels, which can occur but is less common than hypokalemia in clients taking furosemide.
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