ATI LPN
LPN Pharmacology Assessment A
1. The nurse is teaching a client about lifestyle changes to manage hypertension. Which dietary change should the nurse recommend?
- A. Increase intake of red meat
- B. Use salt substitutes liberally
- C. Limit sodium intake to 2 grams per day
- D. Increase intake of processed foods
Correct answer: C
Rationale: The correct answer is C: 'Limit sodium intake to 2 grams per day.' This recommendation is crucial in managing hypertension because excessive sodium intake can lead to elevated blood pressure. Reducing sodium intake helps the body regulate fluid balance and lower blood pressure. Choices A, B, and D are incorrect. Increasing red meat intake can worsen hypertension due to its high saturated fat content. Using salt substitutes liberally can also be harmful as they often contain high amounts of potassium, which can be problematic for individuals with certain health conditions. Increasing processed foods consumption is generally discouraged in hypertension management due to their high sodium content and low nutritional value.
2. A client has a new prescription for levothyroxine. Which of the following instructions should the nurse include?
- A. Take the medication on an empty stomach.
- B. Take the medication with food.
- C. Take the medication at bedtime.
- D. Take the medication with an antacid.
Correct answer: A
Rationale: The correct answer is A: 'Take the medication on an empty stomach.' Levothyroxine should be taken on an empty stomach to ensure optimal absorption. Food, especially high-fiber foods, can interfere with the absorption of levothyroxine. Taking it with an antacid or at bedtime may also affect its absorption. Instructing the client to take the medication on an empty stomach will help maintain consistent blood levels of levothyroxine. Choice B is incorrect as taking levothyroxine with food can reduce its absorption. Choice C is incorrect because taking levothyroxine at bedtime may lead to inconsistent blood levels due to food intake during the day. Choice D is incorrect as antacids can interfere with the absorption of levothyroxine.
3. A client with atrial fibrillation is prescribed warfarin (Coumadin). The nurse should reinforce which dietary instruction?
- A. Avoid foods high in vitamin K.
- B. Increase intake of dairy products.
- C. Limit intake of foods high in fiber.
- D. Increase protein intake.
Correct answer: A
Rationale: The correct answer is to avoid foods high in vitamin K. Clients taking warfarin (Coumadin) should maintain a consistent intake of vitamin K to keep the medication's effectiveness stable. Foods high in vitamin K, such as leafy greens, can interfere with the anticoagulant effects of warfarin. Therefore, it is crucial for clients to avoid these foods to ensure the therapeutic effects of warfarin. Choices B, C, and D are incorrect because increasing dairy products, limiting fiber intake, or increasing protein intake do not directly impact the effectiveness of warfarin therapy and are not necessary dietary modifications for clients on this medication.
4. A client is admitted to the hospital with a diagnosis of myocardial infarction (MI). Which diagnostic test is most likely to be ordered to confirm this diagnosis?
- A. Echocardiogram
- B. Electrocardiogram (ECG)
- C. Chest X-ray
- D. Complete blood count (CBC)
Correct answer: B
Rationale: An Electrocardiogram (ECG) is the primary diagnostic tool used to confirm a myocardial infarction. An ECG provides immediate information on cardiac function and can show characteristic changes indicative of a myocardial infarction, such as ST-segment elevation or depression. An echocardiogram (Choice A) is useful for assessing heart structure and function but is not typically used as the primary test for confirming an acute myocardial infarction. Chest X-ray (Choice C) may show certain changes in heart size or pulmonary congestion but is not the primary diagnostic test for MI. A Complete Blood Count (CBC) (Choice D) provides information about the cellular components of blood and is not specific to confirming a myocardial infarction.
5. A client with hypertension is prescribed metoprolol (Lopressor). The nurse should monitor the client for which side effect?
- A. Tachycardia
- B. Bradycardia
- C. Hypertension
- D. Hyperglycemia
Correct answer: B
Rationale: Metoprolol is a beta-blocker that works by slowing the heart rate. Therefore, the nurse should monitor the client for bradycardia, which is a potential side effect of metoprolol. Bradycardia refers to a heart rate that is slower than normal, and it can be a concern when administering medications like metoprolol that affect heart rate. Choices A, C, and D are incorrect as tachycardia (fast heart rate), hypertension (high blood pressure), and hyperglycemia (high blood sugar) are not typically associated with metoprolol use. In fact, metoprolol is used to treat hypertension and certain heart conditions by lowering heart rate and blood pressure.
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