HESI LPN
Pharmacology HESI 2023
1. A client diagnosed with seizures is prescribed phenytoin. Which medication instruction should the practical nurse (PN) reinforce to this client?
- A. Maintain consistent sodium intake.
- B. Use sunscreen when outdoors.
- C. Return for monthly urinalysis.
- D. Brush and floss teeth daily.
Correct answer: D
Rationale: The correct answer is to reinforce the instruction to brush and floss teeth daily. Phenytoin therapy can lead to gingival hyperplasia (gum disease), which can be prevented by maintaining good oral hygiene practices such as brushing and flossing daily. Choices A, B, and C are incorrect because they are not directly related to the side effects or management of phenytoin therapy. Maintaining consistent sodium intake is not a specific concern with phenytoin. Using sunscreen when outdoors is important to prevent sunburn but is not directly related to phenytoin therapy. Returning for monthly urinalysis may be necessary for other medications, but it is not specifically required for monitoring phenytoin therapy.
2. A client with a history of deep vein thrombosis is prescribed dabigatran. The nurse should monitor for which potential adverse effect?
- A. Bleeding
- B. Weight gain
- C. Headache
- D. Nausea
Correct answer: A
Rationale: Dabigatran is an anticoagulant that increases the risk of bleeding. Therefore, the nurse should closely monitor the client for signs of bleeding, such as easy bruising, blood in the urine or stool, prolonged bleeding from cuts, or nosebleeds, to ensure early detection and intervention.
3. A client admitted with shortness of breath and palpitations currently takes an antiarrhythmic medication, dronedarone. Which action should the nurse take to prevent arrhythmias?
- A. Measure orthostatic blood pressure
- B. Obtain a 12-lead ECG reading daily
- C. Assess the client's apical pulse daily
- D. Provide continuous ECG monitoring
Correct answer: D
Rationale: The correct action to prevent arrhythmias in a client taking an antiarrhythmic medication like dronedarone is to provide continuous ECG monitoring. This is essential because antiarrhythmic drugs can sometimes cause pro-arrhythmic effects, which may lead to dangerous heart rhythm disturbances. Continuous ECG monitoring allows for real-time detection of any abnormal rhythms, enabling prompt intervention. Measuring orthostatic blood pressure, obtaining a 12-lead ECG reading daily, and assessing the client's apical pulse daily are important assessments in general patient care but may not specifically prevent arrhythmias in this scenario.
4. A client is prescribed clopidogrel. The nurse should monitor for which potential side effect of this medication?
- A. Nausea and vomiting
- B. Bleeding or bruising
- C. Gastrointestinal bleeding
- D. Fatigue
Correct answer: C
Rationale: When a client is prescribed clopidogrel, the nurse should monitor for potential side effects related to bleeding due to its antiplatelet effect. Gastrointestinal bleeding is a severe side effect associated with clopidogrel use. Monitoring for signs of gastrointestinal bleeding, such as black, tarry stools or vomiting blood, is essential to prevent serious complications.
5. When a client with a history of deep vein thrombosis is prescribed fondaparinux, the nurse should monitor for which potential adverse effect?
- A. Increased risk of bleeding
- B. Decreased risk of bleeding
- C. Increased risk of infection
- D. Decreased risk of infection
Correct answer: A
Rationale: Fondaparinux is an anticoagulant prescribed to prevent blood clots. Therefore, the nurse should monitor the client for an increased risk of bleeding, which is a potential adverse effect of this medication. Choices B, C, and D are incorrect because fondaparinux does not decrease the risk of bleeding, increase the risk of infection, or decrease the risk of infection. Monitoring for signs of bleeding, such as unexplained bruising, bleeding gums, or blood in the urine or stool, is crucial when a client is on fondaparinux.
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