HESI LPN
Pharmacology HESI 55 Questions 2023
1. A client who takes metformin for diabetes mellitus type 2 is nothing by mouth (NPO) for surgery. What pre-op prescription should the practical nurse (PN) anticipate for this client's glucose management?
- A. NPO except for metformin and regular snacks
- B. NPO except for oral antidiabetic agent
- C. Novolin-N insulin subcutaneously twice daily
- D. Regular insulin subcutaneously per sliding scale
Correct answer: D
Rationale: When a client taking metformin for diabetes mellitus type 2 is NPO for surgery, it is crucial to manage their glucose levels effectively. The best approach in this situation is to prescribe regular insulin subcutaneously according to a sliding scale based on the client's blood glucose levels. This method allows for precise adjustment of insulin doses to maintain blood glucose within the target range while the client is unable to take oral medications. Choices A and B are incorrect because metformin is typically held when a client is NPO, and oral antidiabetic agents may not provide sufficient glucose control. Choice C is incorrect as Novolin-N insulin given twice daily may not offer the flexibility needed for glucose management in a surgical setting where the client's intake is restricted.
2. A client with a history of atrial fibrillation is prescribed apixaban. The nurse should monitor for which potential side effect?
- A. Bleeding
- B. Weight gain
- C. Headache
- D. Nausea
Correct answer: A
Rationale: The correct answer is A: Bleeding. Apixaban is an anticoagulant medication that works by decreasing the blood's ability to clot. One of the significant side effects of apixaban is an increased risk of bleeding. Therefore, the nurse should monitor the client for signs of bleeding, such as easy bruising, prolonged bleeding from cuts, blood in the urine or stool, or unusual bleeding or bruising. Monitoring for these signs is crucial to prevent or manage any potential complications associated with the medication. Choices B, C, and D are incorrect because weight gain, headache, and nausea are not typically associated with apixaban use. Therefore, the nurse should primarily focus on monitoring for signs of bleeding in a client prescribed apixaban.
3. 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.
4. A client with a diagnosis of depression is prescribed fluoxetine. Which statement by the client indicates the need for further teaching?
- A. I should take this medication in the morning with food.
- B. It may take 1 to 4 weeks to notice improvement in symptoms.
- C. I can stop taking this medication once I feel better.
- D. This medication might make me feel drowsy.
Correct answer: C
Rationale: The correct answer is C. Clients prescribed fluoxetine should not stop taking the medication once they feel better without consulting their healthcare provider. It is essential to complete the full course of treatment as directed by the healthcare provider to prevent relapse or potential worsening of symptoms. Abruptly stopping fluoxetine can lead to withdrawal symptoms and may not effectively manage the condition. Therefore, it is crucial for clients to follow the healthcare provider's guidance regarding the duration of treatment with fluoxetine.
5. The nurse is caring for a patient with short-term persistent diarrhea. Which class of medication would the nurse anticipate giving?
- A. Lubricants
- B. Probiotics
- C. Adsorbents
- D. Anticholinergics
Correct answer: B
Rationale: Probiotics are the correct choice in this scenario as they help restore normal gut flora, which can be effective in treating diarrhea by promoting a healthy balance of bacteria in the intestines. Lubricants are used to ease bowel movements and are not indicated for treating diarrhea. Adsorbents work by binding to toxins in the gut, which is not the primary mechanism needed for treating diarrhea. Anticholinergics are more commonly used for conditions like overactive bladder and not for short-term persistent diarrhea.
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