ATI RN
ATI Pharmacology
1. A patient is prescribed acetaminophen 650 mg PO every 6 hr PRN for pain. The available acetaminophen liquid is 500 mg/5 mL. How many mL should the nurse administer per dose?
- A. 6.5 mL
- B. 7 mL
- C. 5 mL
- D. 8 mL
Correct answer: A
Rationale: To calculate the volume to administer: (Desired dose / Concentration) = Volume to administer. In this case, (650 mg / 500 mg) x 5 mL = 6.5 mL. Therefore, the nurse should administer 6.5 mL of acetaminophen liquid per dose to provide the prescribed 650 mg of acetaminophen. Choice B, 7 mL, is incorrect because the correct calculation results in 6.5 mL. Choice C, 5 mL, is incorrect as it is the concentration of the acetaminophen liquid, not the final volume needed. Choice D, 8 mL, is incorrect because it does not reflect the accurate calculation based on the prescription and concentration.
2. A client has a new prescription for Cyanocobalamin (Vitamin B12) injections. Which of the following client statements indicates an understanding of the teaching?
- A. I will need to take this medication for the rest of my life.
- B. I will stop taking the medication when my symptoms improve.
- C. I should take this medication with food.
- D. I will need to avoid green, leafy vegetables while taking this medication.
Correct answer: A
Rationale: The correct answer is A. Clients with pernicious anemia or other causes of vitamin B12 deficiency may need to take cyanocobalamin for life to prevent deficiency. It is a lifelong treatment in many cases to maintain adequate B12 levels. Choice B is incorrect because stopping the medication when symptoms improve may lead to a relapse of the deficiency. Choice C is incorrect as cyanocobalamin injections are usually administered on an empty stomach. Choice D is incorrect as there is no need to avoid green, leafy vegetables while taking cyanocobalamin; in fact, these vegetables are good dietary sources of vitamin B12.
3. When using Nitroglycerine (transdermal), how many hours should you be nitrate-free each day?
- A. 1-2 hours
- B. 5-10 hours
- C. 3-4 hours
- D. 10-12 hours
Correct answer: D
Rationale: When using Nitroglycerine (transdermal), it should be applied for 10-12 hours per day to ensure its effectiveness. A nitrate-free period within the day is essential to prevent the development of tolerance to the medication.
4. A client has a new prescription for Metronidazole. Which of the following instructions should be included in the discharge teaching?
- A. Avoid drinking alcohol while taking this medication.
- B. Take this medication on an empty stomach.
- C. Avoid dairy products while taking this medication.
- D. Take this medication with antacids.
Correct answer: A
Rationale: The correct instruction to include in the discharge teaching for a client prescribed Metronidazole is to avoid drinking alcohol while taking this medication. Drinking alcohol with Metronidazole can result in a disulfiram-like reaction, leading to symptoms such as nausea, vomiting, and flushing. Therefore, it is crucial for the client to abstain from alcohol consumption during the course of treatment with Metronidazole.
5. A client has a new prescription for alendronate to treat osteoporosis. Which of the following instructions should be included in the teaching?
- A. Take the medication with a full glass of water after rising in the morning.
- B. Lie down for 30 minutes after taking the medication.
- C. Take the medication with a meal to reduce gastric irritation.
- D. Crush the tablet and mix it with applesauce if difficulty swallowing.
Correct answer: A
Rationale: The correct instruction for taking alendronate is to take it with a full glass of water after rising in the morning to prevent esophageal irritation. It is important to remain upright for at least 30 minutes after taking the medication to reduce the risk of esophageal irritation and ensure proper absorption. Taking the medication with a meal or crushing the tablet are not recommended instructions for alendronate administration. Choice A is the correct answer as it aligns with the proper administration guidelines for alendronate.
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