HESI LPN
Pharmacology HESI 55 Questions 2023
1. A client with chronic obstructive pulmonary disease (COPD) is prescribed ipratropium. The nurse should assess the client for which potential side effect?
- A. Nausea
- B. Dry mouth
- C. Cough
- D. Palpitations
Correct answer: B
Rationale: The correct answer is B: Dry mouth. Ipratropium can cause dry mouth as a common side effect due to its anticholinergic effects. Anticholinergic medications like ipratropium can lead to decreased salivary flow, resulting in dry mouth. Choices A, C, and D are incorrect because nausea, cough, and palpitations are not commonly associated with ipratropium use.
2. A 43-year-old female client who has had a thyroidectomy due to Grave's disease is prescribed a thyroid replacement hormone. Which signs and symptoms are associated with thyroid hormone toxicity and should be reported promptly to the healthcare provider?
- A. Tinnitus and dizziness
- B. Tachycardia and chest pain
- C. Dry skin and intolerance to cold
- D. Weight gain and increased appetite
Correct answer: B
Rationale: The correct answer is B: Tachycardia and chest pain. Signs and symptoms of thyroid hormone toxicity, especially in cases of excessive dosage, include tachycardia (rapid heart rate) and chest pain. These symptoms are consistent with hyperthyroidism, where the body is receiving an excessive amount of thyroid hormone. It is crucial to report these symptoms promptly to the healthcare provider to adjust the medication dosage and prevent potential complications. Choices A, C, and D are not indicative of thyroid hormone toxicity. Tinnitus and dizziness (Choice A) are not typical symptoms of thyroid hormone toxicity. Dry skin and intolerance to cold (Choice C) are more common in hypothyroidism, while weight gain and increased appetite (Choice D) are associated with hypothyroidism as well, not thyroid hormone toxicity.
3. How should the healthcare provider schedule the administering of propylthiouracil (PTU)?
- A. Offer both drugs together with a meal
- B. Give parental dose once every 24 hours
- C. Schedule both medications at bedtime
- D. Administer iodine one hour before PTU
Correct answer: D
Rationale: Administering iodine one hour before PTU is crucial to ensure proper absorption and effectiveness of PTU. This timing helps optimize the therapeutic benefits of PTU by allowing it to be absorbed efficiently without interference from iodine, ultimately leading to better treatment outcomes for the patient. Choices A, B, and C are incorrect because offering both drugs together with a meal, giving parental dose once every 24 hours, and scheduling both medications at bedtime do not address the specific timing requirement of administering iodine before PTU for optimal absorption.
4. A client is prescribed phenytoin for the management of seizures. What instruction should the practical nurse provide to the client regarding this medication?
- A. Take the medication at the same time every day.
- B. Discontinue the medication if a rash develops.
- C. Avoid consuming dairy products.
- D. Monitor blood pressure regularly.
Correct answer: A
Rationale: The correct instruction the practical nurse should provide to the client regarding phenytoin is to take the medication at the same time every day. This consistency helps maintain a steady level of the medication in the bloodstream, which is crucial for effectively managing seizures. It is important for clients to adhere to their prescribed dosing schedule to optimize the therapeutic benefits of phenytoin. Choices B, C, and D are incorrect because discontinuing the medication without healthcare provider guidance can be dangerous, there is no specific interaction between phenytoin and dairy products, and monitoring blood pressure is not a primary concern with phenytoin therapy for seizures.
5. A practical nurse (PN) is preparing to administer a scheduled dose of furosemide to a client. Which laboratory value is most important for the PN to review before administering the medication?
- A. Serum calcium level
- B. Serum potassium level
- C. Serum sodium level
- D. Serum magnesium level
Correct answer: B
Rationale: The correct answer is to review the client's serum potassium level before administering furosemide. Furosemide, a loop diuretic, can lead to hypokalemia, making it crucial to assess potassium levels to prevent potential complications like cardiac arrhythmias associated with low potassium levels.
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