A client with peptic ulcer disease is prescribed omeprazole (Prilosec). Which instruction should the nurse include in the client's teaching plan?

Correct Answer: C

Rationale: The correct answer is C: Take the medication on an empty stomach. Omeprazole is a proton pump inhibitor that works best when taken on an empty stomach, about 30 minutes before meals. This allows the medication to be absorbed effectively and provides optimal therapeutic effects in reducing stomach acid production. Taking it with food (choice A) may decrease its efficacy. Taking it at bedtime (choice B) is not ideal as it may not coincide with the peak acid production in the stomach. Taking it as needed for pain relief (choice D) is not appropriate as omeprazole is a scheduled medication for the management of peptic ulcer disease, not for immediate pain relief.

Correct Answer: C

Rationale: The correct instruction is C: Use this medication twice daily for long-term control. Salmeterol is a long-acting beta-agonist used for maintenance therapy in asthma to provide long-term control of symptoms and prevent exacerbations. It should not be used for acute asthma attacks as it does not provide quick relief like rescue inhalers such as albuterol (choice A). It is not meant to replace albuterol, so it should not be used before using albuterol (choice B). Using salmeterol as needed for wheezing (choice D) is not appropriate as it is a maintenance medication and not a rescue medication.

Correct Answer: A

Rationale: The correct answer is A: Thiamine (Vitamin B1). Chronic alcohol use can lead to thiamine deficiency, causing neurological symptoms like confusion and unsteady gait (Wernicke's encephalopathy). Thiamine is crucial for brain function and alcohol interferes with its absorption. Vitamin B12 (choice B) deficiency can also cause neurological symptoms but is less likely in this case. Folic acid (choice C) deficiency can lead to anemia and neural tube defects, not directly related to the symptoms described. Vitamin D (choice D) deficiency typically presents with bone pain and muscle weakness, not confusion and gait issues.

Correct Answer: B

Rationale: The correct answer is B because drinking a bowel preparation solution helps clear the colon for better visualization during the colonoscopy. This step is crucial to ensure accuracy of the procedure. Choice A is incorrect as the client should have a clear liquid diet the day before the procedure. Choice C is incorrect as hydration is important, but clear liquids are allowed. Choice D is incorrect because blood thinners may need to be adjusted prior to the procedure to reduce bleeding risk.

Correct Answer: C

Rationale: The correct answer is C: Take the medication on an empty stomach. Levothyroxine should be taken on an empty stomach in the morning, at least 30 minutes before eating, to ensure optimal absorption. Food can interfere with the absorption of levothyroxine, reducing its effectiveness. Taking it with a meal (option A) or at bedtime (option B) may lead to decreased absorption. Taking it with an antacid (option D) can also interfere with absorption. Therefore, the best instruction is to take the medication on an empty stomach to maximize its therapeutic effects.