HESI LPN
Pharmacology HESI 2023
1. A client is prescribed clonidine 0.1 mg/24 hours via a transdermal patch. Which client outcome would indicate that the medication is effective?
- A. No complaints of recent episodes of angina
- B. Change in peripheral edema from +3 to +1
- C. No complaints of new onset of nausea or vomiting
- D. Blood pressure changes from 180/120 to 140/70 mm Hg
Correct answer: D
Rationale: Clonidine is an antihypertensive agent that works centrally to reduce blood pressure. A significant decrease in blood pressure, such as changing from 180/120 to 140/70 mm Hg, indicates that the medication is effectively managing hypertension. Monitoring blood pressure levels is crucial in assessing the response to clonidine therapy. Choices A, B, and C are incorrect as they do not directly relate to the therapeutic effect of clonidine in managing hypertension, which is the primary goal of the medication in this scenario.
2. A client is prescribed nitroglycerin sublingual tablets. The practical nurse should reinforce which instruction?
- A. Store the tablets in a cool, dry place.
- B. Take one tablet every 5 minutes until pain is relieved, up to three tablets.
- C. Swallow the tablets whole.
- D. Chew the tablets for faster relief.
Correct answer: A
Rationale: Nitroglycerin sublingual tablets are sensitive to heat and moisture, so they should be stored in a cool, dry place to maintain their efficacy. Storing them in a cool, dry place helps prevent degradation of the medication. Choice B is incorrect because nitroglycerin tablets should be taken as directed by the healthcare provider to avoid potential overdose or adverse effects. Choice C is incorrect because sublingual tablets should be placed under the tongue to dissolve and be absorbed, not swallowed, to ensure their quick action. Choice D is incorrect because sublingual tablets should not be chewed; they are meant to be absorbed through the tissues under the tongue, and chewing them may alter their effectiveness.
3. The patient is prescribed cimetidine (Tagamet) orally. What should the nurse consider about administering this drug?
- A. Administer the drug with the first bite of food
- B. Administer the drug immediately after meals
- C. Administer the drug 30 minutes after meals
- D. Administer the drug 30 minutes before meals
Correct answer: D
Rationale: Cimetidine is best absorbed when taken 30 minutes before meals to decrease stomach acid. Administering it before meals allows for optimal absorption and effectiveness of the medication. Choices A, B, and C are incorrect because administering cimetidine with food, immediately after meals, or 30 minutes after meals may not provide the best conditions for absorption. Taking it before meals ensures that the drug is absorbed properly and can exert its intended effects.
4. A client has been taking simvastatin for 3 days and calls the nurse at the clinic to report extreme muscle tenderness and pain. Which is the most appropriate action?
- A. Notify the health care provider.
- B. Review the medication with the client.
- C. Advise the client to avoid grapefruit juice.
- D. Remind the client to limit physical activity until evaluated by the health care provider.
Correct answer: A
Rationale: Extreme muscle tenderness and pain in a client taking simvastatin could indicate rhabdomyolysis, a serious condition. Promptly notifying the health care provider is crucial to evaluate and manage this potential medical emergency. Reviewing the medication with the client may not address the urgency of the situation. Advising the client to avoid grapefruit juice is not directly related to the client's current symptoms. Reminding the client to limit physical activity until evaluated by the health care provider is not appropriate as the client's symptoms should be assessed by a professional first.
5. A male client receives a scopolamine transdermal patch 2 hours before surgery. Four hours after surgery, the client tells the nurse that he is experiencing pain and asks why the patch is not working. Which action should the nurse take?
- A. Advise the client that the effects of the medication have worn off
- B. Explain that the medication is not given to relieve pain
- C. Check for the correct placement of the patch on the client
- D. Offer to apply a new transdermal patch to address the pain
Correct answer: B
Rationale: The correct answer is B. Scopolamine is not a pain medication; it is commonly used to prevent nausea and vomiting, particularly in surgical settings. It works on the central nervous system to help control these symptoms, not to relieve pain. Therefore, it is important for the nurse to explain to the client that the medication is not intended to relieve pain but rather to manage other specific symptoms. Checking the correct placement of the patch is also important to ensure proper administration, but addressing the misconception about the medication's purpose is the priority in this scenario. Offering to apply a new patch would not address the client's pain as scopolamine is not meant for pain relief. Advising the client that the effects have worn off is inaccurate because the medication is not used for pain management.
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