HESI LPN
Pharmacology HESI Practice
1. A client is prescribed an antacid for the treatment of peptic ulcer disease. What is the action of this medication that is effective in treating the client's ulcer?
- A. Decrease in the production of gastric secretions
- B. Production of an adherent barrier over the ulcer
- C. Maintenance of a gastric pH of 3.5 or above
- D. Decrease in the gastric motor activity
Correct answer: C
Rationale: The correct answer is C. Antacids work by neutralizing gastric acids and maintaining a gastric pH of 3.5 or above. This pH level is crucial to prevent the activation of pepsinogen, a precursor to pepsin, which can further damage the ulcer. Choice A is incorrect because antacids do not directly decrease the production of gastric secretions; they neutralize existing acid. Choice B is incorrect as antacids do not form a physical barrier over the ulcer but rather neutralize the acid around it. Choice D is also incorrect as antacids do not affect gastric motor activity but focus on reducing acidity in the stomach.
2. A client with a diagnosis of depression is prescribed escitalopram. Which statement by the client indicates the need for further teaching?
- A. I should take this medication in the morning with food.
- B. This medication may take 1 to 4 weeks to notice improvement in symptoms.
- C. I can stop taking this medication once I feel better.
- D. This medication might make me feel drowsy.
Correct answer: C
Rationale: It is crucial for clients to understand that they should not discontinue escitalopram abruptly, even if they start feeling better. Stopping the medication suddenly can lead to withdrawal symptoms or a relapse of depression. It is essential to complete the full course of treatment as prescribed by the healthcare provider to ensure the best outcomes and prevent potential complications.
3. A client with rheumatoid arthritis is prescribed adalimumab. What instruction should the nurse include in the client's teaching plan?
- A. Avoid live vaccines while taking this medication.
- B. Take this medication with food to decrease gastrointestinal upset.
- C. Report any signs of infection to the healthcare provider.
- D. Avoid sunlight exposure while taking this medication.
Correct answer: A
Rationale: The correct instruction for a client prescribed adalimumab, which is an immunosuppressant medication, is to avoid live vaccines. Adalimumab can weaken the immune system, making live vaccines potentially harmful. It is essential to educate the client on this to prevent complications and ensure the effectiveness of the treatment.
4. A client is admitted to a long-term care facility, and the nurse and a new employee are conducting medication reconciliation. The nurse notes that oxybutynin has been prescribed. The nurse realizes the new employee understands the drug's effect if the new employee explains that this medication is prescribed to treat which condition?
- A. Pain
- B. Depression
- C. Overactive bladder
- D. Chronic anxiety
Correct answer: C
Rationale: The correct answer is C: Overactive bladder. Oxybutynin is prescribed to treat overactive bladder by reducing muscle spasms of the bladder. It is classified as an anticholinergic medication. Choices A, B, and D are incorrect. Oxycodone is an opioid used for pain management. Bupropion is an antidepressant used to treat depression. Buspirone is an anxiolytic used to manage anxiety disorders.
5. A client is receiving metronidazole for Clostridium difficile pseudomembranous colitis. Which information should the nurse include in this client's medication teaching plan?
- A. Drink adequate water daily
- B. Take with food
- C. Avoid alcohol consumption
- D. Store medication in the refrigerator
Correct answer: C
Rationale: The correct information to include in the medication teaching plan for a client receiving metronidazole for Clostridium difficile pseudomembranous colitis is to avoid alcohol consumption. Metronidazole can cause a disulfiram-like reaction when combined with alcohol, leading to symptoms such as nausea, vomiting, flushing, and headache. Therefore, it is crucial for the client to abstain from alcohol while taking this medication to prevent adverse effects and ensure treatment effectiveness. Choices A, B, and D are incorrect. Drinking adequate water daily is a general health recommendation but not specific to metronidazole use. Taking with food is not necessary for metronidazole, and in fact, it is recommended to be taken on an empty stomach for better absorption. Storing the medication in the refrigerator is also incorrect, as metronidazole should be stored at room temperature.
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