HESI LPN
HESI Pharmacology Exam Test Bank
1. A client with a history of atrial fibrillation is prescribed warfarin. The nurse should monitor for which sign of potential bleeding?
- A. Elevated blood pressure
- B. Bruising
- C. Shortness of breath
- D. Nausea and vomiting
Correct answer: B
Rationale: Warfarin is an anticoagulant that increases the risk of bleeding. Bruising is a common sign of potential bleeding in clients taking warfarin. Monitoring for bruising is essential as it can indicate a risk of bleeding that needs further assessment and management. Elevated blood pressure, shortness of breath, nausea, and vomiting are not direct signs of potential bleeding associated with warfarin therapy.
2. A 6-month-old infant is prescribed digoxin for the treatment of congestive heart failure. Which observation by the practical nurse (PN) warrants immediate intervention for signs of digoxin toxicity?
- A. Apical heart rate of 60 beats/min
- B. Sweating across the forehead
- C. Poor sucking effort
- D. Respiratory rate of 30 breaths/min
Correct answer: A
Rationale: A heart rate of 60 beats/min for a 6-month-old infant warrants immediate intervention as it falls below the normal range. The normal heart rate for a 6-month-old is 80 to 150 beats/min when awake, and a rate of 70 beats/min while sleeping is considered within normal limits. Bradycardia (heart rate <60 beats/min) in infants can be a sign of digoxin toxicity, necessitating prompt evaluation and intervention to prevent adverse effects. Sweating across the forehead (Choice B) is a non-specific symptom and may not directly indicate digoxin toxicity. Poor sucking effort (Choice C) and a respiratory rate of 30 breaths/min (Choice D) are not typically associated with digoxin toxicity and do not require immediate intervention in the context of this question.
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 history of chronic kidney disease is prescribed epoetin alfa. The nurse should monitor for which potential adverse effect?
- A. Hypertension
- B. Hypotension
- C. Hyperglycemia
- D. Tachycardia
Correct answer: A
Rationale: The correct answer is A: Hypertension. Epoetin alfa can lead to hypertension as an adverse effect because it stimulates increased red blood cell production. This can result in elevated blood pressure levels, requiring careful monitoring by the nurse to prevent complications. Choice B, hypotension, is incorrect because epoetin alfa is more likely to cause hypertension rather than hypotension. Choice C, hyperglycemia, and Choice D, tachycardia, are also incorrect as they are not commonly associated with the use of epoetin alfa.
5. A client diagnosed with angina has been prescribed nitrate isosorbide dinitrate. Which instruction should the practical nurse reinforce in this client's teaching?
- A. Discontinue the medication if dizziness occurs.
- B. Avoid getting up quickly. Always rise slowly.
- C. Take the medication with or without food.
- D. Increase your intake of potassium-rich foods.
Correct answer: B
Rationale: The correct instruction that the practical nurse should reinforce with a client prescribed nitrate isosorbide dinitrate is to avoid getting up quickly and to rise slowly. Nitrates can cause orthostatic hypotension, a sudden drop in blood pressure when changing positions. By rising slowly, the client can prevent the occurrence of orthostatic hypotension and its associated symptoms. Choices A, C, and D are incorrect because discontinuing the medication without consulting a healthcare provider can be dangerous, taking the medication with or without food does not impact its effectiveness, and increasing potassium intake is not directly related to the use of nitrate isosorbide dinitrate.
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