ATI LPN
LPN Pharmacology Assessment A
1. The client has angina pectoris and is prescribed nitroglycerin patches. What instruction should the nurse provide to the client?
- A. Apply the patch to the chest and leave it in place for 24 hours
- B. Apply the patch to a different site each time to prevent skin irritation
- C. Remove the patch before going to bed to prevent tolerance
- D. Cut the patch in half if experiencing headaches
Correct answer: B
Rationale: The correct instruction for the nurse to provide to the client is to apply the nitroglycerin patch to a different site each time to prevent skin irritation. Rotating the application site is crucial to prevent skin irritation and ensure consistent absorption of the medication. Applying the patch to the same site can lead to skin irritation and decreased effectiveness. Removing the patch before going to bed is not necessary, as the patch can typically be worn for a specific duration. Cutting the patch in half if experiencing headaches is not recommended and can alter the dose of the medication.
2. 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.
3. A client with a diagnosis of angina pectoris is prescribed nitroglycerin tablets. How should the nurse instruct the client to take the medication?
- A. Swallow the tablet whole with water
- B. Place the tablet under the tongue and let it dissolve
- C. Chew the tablet and then swallow
- D. Place the tablet between the cheek and gum
Correct answer: B
Rationale: Nitroglycerin is most effective when administered sublingually (under the tongue) as it is rapidly absorbed into the bloodstream. Placing the tablet under the tongue allows for quick absorption and faster relief of angina symptoms. Chewing the tablet, swallowing it, or placing it between the cheek and gum would not provide the same rapid onset of action needed during an angina episode. Therefore, the correct instruction for the client is to place the nitroglycerin tablet under the tongue and let it dissolve for optimal effectiveness.
4. A client with a history of angina pectoris reports chest pain while ambulating in the corridor. What should the nurse do first?
- A. Check the client's vital signs.
- B. Assist the client to sit or lie down.
- C. Administer sublingual nitroglycerin.
- D. Apply nasal oxygen at a rate of 2 L/min.
Correct answer: B
Rationale: When a client with a history of angina pectoris experiences chest pain while ambulating, the priority action for the nurse is to assist the client to sit or lie down. This helps reduce the demand on the heart by decreasing physical exertion. Checking vital signs, administering medication, or applying oxygen can follow once the client is in a more comfortable position. Checking vital signs (Choice A) may be important but addressing the immediate discomfort by positioning the client comfortably takes precedence. Administering sublingual nitroglycerin (Choice C) is appropriate but should come after ensuring the client's comfort. Applying nasal oxygen (Choice D) can be beneficial, but it should not be the first action; assisting the client to sit or lie down is the initial priority.
5. The client has atrial fibrillation and is receiving warfarin (Coumadin) therapy. Which laboratory test should be monitored to evaluate the effectiveness of the warfarin therapy?
- A. Prothrombin time (PT) and international normalized ratio (INR)
- B. Activated partial thromboplastin time (aPTT)
- C. Complete blood count (CBC)
- D. Fibrinogen levels
Correct answer: A
Rationale: Monitoring the Prothrombin time (PT) and international normalized ratio (INR) is crucial for assessing the effectiveness of warfarin therapy. These tests help determine the clotting ability of the blood and ensure that the client is within the desired therapeutic range to prevent clotting events or bleeding complications. Activated partial thromboplastin time (aPTT) (Choice B) is more commonly used to monitor heparin therapy, not warfarin. Complete blood count (CBC) (Choice C) and fibrinogen levels (Choice D) do not directly assess the effectiveness of warfarin therapy in the same way that PT and INR do.
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