ATI LPN
LPN Pharmacology
1. A hypertensive client who has been taking metoprolol (Lopressor) has been prescribed to decrease the dose of the medication. The client asks the nurse why this must be done over a period of 1 to 2 weeks. In formulating a response, the nurse incorporates the understanding that abrupt withdrawal could affect the client in which way?
- A. Result in hypoglycemia
- B. Give the client insomnia
- C. Precipitate rebound hypertension
- D. Cause enhanced side effects of other prescribed medications
Correct answer: C
Rationale: Abruptly stopping metoprolol can lead to rebound hypertension, causing a sudden increase in blood pressure due to the sudden withdrawal of the medication. Gradually tapering the dose helps the body adjust and reduces the risk of this adverse effect. Choices A, B, and D are incorrect. Stopping metoprolol suddenly is not known to result in hypoglycemia, insomnia, or enhanced side effects of other medications.
2. The LPN/LVN is assisting in the care of a client with chronic heart failure who is receiving furosemide (Lasix). Which instruction should the nurse reinforce with the client?
- A. Limit your fluid intake to avoid fluid overload.
- B. Increase your potassium intake by eating bananas and oranges.
- C. Weigh yourself once a week to monitor for fluid retention.
- D. Take the medication at night to avoid frequent urination during the day.
Correct answer: B
Rationale: The correct instruction for the nurse to reinforce with the client is to increase potassium intake by eating bananas and oranges. Furosemide can lead to potassium loss, potentially causing hypokalemia. By increasing potassium intake through diet, the client can help prevent this electrolyte imbalance and maintain overall health. Choices A, C, and D are incorrect. Limiting fluid intake is not the appropriate instruction, as furosemide is a diuretic that already helps in fluid management. Weighing once a week is not as crucial as monitoring potassium levels, and taking the medication at night does not impact potassium levels.
3. The healthcare provider is reinforcing instructions to a client with heart failure who is prescribed a low-sodium diet. The provider should advise the client to choose which food item?
- A. Canned soup
- B. Fresh vegetables
- C. Processed cheese
- D. Pickled vegetables
Correct answer: B
Rationale: Fresh vegetables are a suitable choice for clients on a low-sodium diet as they are naturally low in sodium and provide essential nutrients. In contrast, canned soup, processed cheese, and pickled vegetables tend to be high in sodium, which is not recommended for individuals with heart failure and on a low-sodium diet. Fresh vegetables are also rich in fiber, vitamins, and minerals, making them a healthier option compared to the other choices provided.
4. The client is receiving enalapril (Vasotec). The nurse should monitor the client for which potential adverse effect?
- A. Hypertension
- B. Hypotension
- C. Tachycardia
- D. Hyperglycemia
Correct answer: B
Rationale: Enalapril is an ACE inhibitor that works by dilating blood vessels and reducing blood pressure. Therefore, monitoring for hypotension is crucial as it can be a potential adverse effect of this medication. Hypertension, tachycardia, and hyperglycemia are not typically associated with enalapril use. Hypertension is the condition enalapril is used to treat, so it would not be an adverse effect. Tachycardia is not a common adverse effect of enalapril. Enalapril does not typically cause hyperglycemia, as it primarily affects blood pressure regulation.
5. A client has a new prescription for transdermal nitroglycerin patches. Which of the following instructions should be included for proper use?
- A. Apply the patch to the same site each day.
- B. Place the patch on an area of skin away from skin folds and joints.
- C. Keep the patch on 24 hours per day.
- D. Replace the patch every 72 hours.
Correct answer: B
Rationale: Placing the nitroglycerin patch on an area of skin away from skin folds and joints is crucial to ensure optimal absorption and effectiveness of the medication. Placing the patch on skin folds or joints can interfere with absorption, potentially reducing the patch's efficacy. Therefore, it is essential to follow this instruction to maximize the therapeutic benefits of the nitroglycerin patches. The other options are incorrect because applying the patch to the same site each day can lead to skin irritation, keeping the patch on 24 hours per day may not be necessary depending on the specific patch instructions, and replacing the patch every 72 hours is not the standard frequency for nitroglycerin patches.
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