ATI RN
ATI Pharmacology Proctored Exam 2023
1. A client has a new prescription for Atorvastatin. Which of the following instructions should the nurse include?
- A. Avoid drinking grapefruit juice.
- B. Take the medication with your evening meal.
- C. Increase your intake of leafy green vegetables.
- D. Stop taking the medication if you experience muscle pain.
Correct answer: A
Rationale: The correct answer is A: 'Avoid drinking grapefruit juice.' Grapefruit juice should be avoided when taking Atorvastatin because it can increase the blood levels of the medication, potentially leading to a higher risk of adverse effects like muscle pain and liver damage. It is important to follow this instruction to ensure the safe and effective use of Atorvastatin. Choices B, C, and D are incorrect. Taking Atorvastatin with food, specifically a low-fat meal, is recommended, but it is not necessary to specify the evening meal. While increasing intake of leafy green vegetables is generally beneficial for health, it is not a specific instruction for Atorvastatin. Lastly, stopping the medication if one experiences muscle pain is not advisable without consulting a healthcare provider, as muscle pain can be a symptom of a serious side effect of Atorvastatin that requires medical attention.
2. A healthcare professional in a provider's clinic is caring for a client who reports erectile dysfunction and requests a prescription for sildenafil. Which of the following medications currently prescribed for the client is a contraindication to taking sildenafil?
- A. Isosorbide
- B. Phenytoin
- C. Metronidazole
- D. Prednisone
Correct answer: A
Rationale: Sildenafil is contraindicated with nitrates like isosorbide due to the risk of severe hypotension. Isosorbide is a nitrate that can potentiate the hypotensive effects of sildenafil, leading to a dangerous drop in blood pressure. Therefore, it is essential to avoid concurrent use of isosorbide and sildenafil to prevent adverse effects. Phenytoin, metronidazole, and prednisone do not have significant interactions with sildenafil and are not contraindicated when used together.
3. What is the action of Metformin?
- A. Decreasing intestinal glucose absorption
- B. Increasing sensitivity to insulin
- C. Decreasing hepatic glucose production
- D. All of the above
Correct answer: D
Rationale: Metformin exerts its effects by decreasing hepatic glucose production, increasing sensitivity to insulin, and decreasing intestinal glucose absorption. These actions help in lowering blood glucose levels and improving insulin sensitivity in individuals with diabetes.
4. A client is prescribed Omeprazole for managing heartburn. What information should the nurse include in the teaching?
- A. Take this medication at bedtime.
- B. This medication decreases the production of gastric acid.
- C. Take this medication 2 hours after eating.
- D. This medication can cause hyperkalemia.
Correct answer: B
Rationale: The correct answer is B. The nurse should educate the client that Omeprazole works by reducing the production of gastric acid through inhibiting the enzyme responsible for its production. This action helps in managing heartburn and related symptoms effectively. Choice A is incorrect because Omeprazole is usually taken before eating. Choice C is incorrect as Omeprazole is typically taken before a meal. Choice D is unrelated to Omeprazole, as it is not associated with causing hyperkalemia.
5. In which of the following cases is Lansoprazole not used?
- A. Gastritis
- B. Peptic Ulcers
- C. Zollinger-Ellison syndrome
- D. Thalamus hypertrophy
Correct answer: D
Rationale: Lansoprazole is a proton pump inhibitor mainly used to treat conditions related to the stomach, such as gastritis, peptic ulcers, and Zollinger-Ellison syndrome. Thalamus hypertrophy is not a condition that Lansoprazole is indicated for; it is used for gastrointestinal issues and not neurological conditions.
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