HESI LPN
HESI Practice Test Pharmacology
1. A client with a history of deep vein thrombosis is prescribed enoxaparin. 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: Enoxaparin is an anticoagulant that works by preventing blood clots. One of the potential adverse effects of enoxaparin is an increased risk of bleeding due to its anticoagulant properties. Therefore, the nurse should monitor the client for signs of bleeding, such as easy bruising, petechiae, or blood in stool or urine, to ensure timely intervention and prevent complications.
2. 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.
3. A client with asthma is prescribed montelukast. The nurse should instruct the client that this medication is used for which purpose?
- A. Immediate relief of acute asthma attacks
- B. Long-term control of asthma symptoms
- C. Treatment of exercise-induced bronchospasm
- D. Immediate relief of allergic rhinitis symptoms
Correct answer: B
Rationale: Montelukast is a leukotriene receptor antagonist used for the long-term control of asthma symptoms by reducing inflammation in the airways. It is not typically used for immediate relief during acute asthma attacks, where short-acting bronchodilators are more appropriate. Montelukast does not specifically target exercise-induced bronchospasm or allergic rhinitis symptoms. Therefore, the correct answer is B. Choice A is incorrect because montelukast is not for immediate relief of acute asthma attacks. Choice C is incorrect as montelukast is not primarily used to treat exercise-induced bronchospasm. Choice D is incorrect because montelukast is not indicated for immediate relief of allergic rhinitis symptoms.
4. Prior to administration of the initial dose of the GI agent misoprostol, which information should the nurse obtain from the client?
- A. Taking an anti-emetic medication
- B. History of glaucoma
- C. Currently pregnant
- D. Allergy to aspirin
Correct answer: C
Rationale: The correct answer is C. It is crucial for the nurse to obtain information regarding the client's pregnancy status before administering misoprostol, as this medication is contraindicated in pregnancy due to its potential to cause uterine contractions. This can lead to serious complications such as miscarriage or premature birth. Therefore, assessing whether the client is currently pregnant is essential to ensure the safe administration of misoprostol. Choices A, B, and D are not directly related to the administration of misoprostol. While knowing if the client is taking an anti-emetic medication may be relevant to prevent drug interactions, a history of glaucoma and allergy to aspirin are not primary concerns before administering misoprostol.
5. A client is taking levodopa-carbidopa for Parkinson's disease. The nurse should include which instruction when educating the client about this medication?
- A. Increase fluid intake to prevent dehydration.
- B. Take medication with food to improve absorption.
- C. Take medication at bedtime to avoid daytime drowsiness.
- D. It can cause nausea and dizziness.
Correct answer: A
Rationale: The correct instruction for a client taking levodopa-carbidopa for Parkinson's disease is to increase fluid intake to prevent dehydration. Levodopa-carbidopa should be taken with food to reduce gastrointestinal upset and improve absorption. Taking medication at bedtime is not necessary to avoid daytime drowsiness. It is crucial to prevent dehydration due to the medication's side effects. Choice B is incorrect because the medication should be taken with food, not at bedtime. Choice C is incorrect as taking the medication with food, rather than on an empty stomach, aids in absorption and reduces gastrointestinal side effects. Choice D is incorrect as it states the side effects of the medication rather than providing specific instructions on its administration.
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