ATI RN
Pharmacology ATI Proctored Exam 2023
1. A client has been prescribed a calcium channel blocker for angina. The nurse knows this medication should NOT be used with caution in combination with which drug classes?
- A. NSAIDs
- B. Cardiac glycosides
- C. Beta blockers
- D. None of the above
Correct answer: C
Rationale: Calcium channel blockers and beta blockers should be used with caution together because they can both suppress heart function, potentially leading to bradycardia, heart block, or heart failure. NSAIDs and cardiac glycosides do not have significant interactions with calcium channel blockers in the same way, so they are not typically a cause for concern when combined.
2. What is the antidote for copper toxicity?
- A. Glucagon
- B. Aminocaproic acid
- C. Atropine
- D. Penicillamine
Correct answer: D
Rationale: Penicillamine is the specific chelating agent used for copper toxicity. It forms stable complexes with copper, which are then excreted in the urine. Glucagon is used for treating hypoglycemia, aminocaproic acid is used to treat bleeding disorders, and atropine is used as an antidote for certain types of poisoning, such as organophosphate toxicity.
3. What does it mean when a medication has a half-life?
- A. It only lasts for 30 minutes after the medication is given
- B. How long it takes for half of the dose to be eliminated from the bloodstream
- C. It is the peak of how effective the medicine is
- D. Drug is greatly reduced before it reaches the systemic circulation
Correct answer: B
Rationale: When a medication has a half-life, it refers to the time it takes for half of the dose to be eliminated from the bloodstream. This parameter is crucial in understanding the duration of action and dosing intervals for medications in clinical practice. Choice A is incorrect as the half-life is not about how long the medication lasts but about elimination from the body. Choice C is incorrect because the half-life is not about the peak effectiveness of the medicine. Choice D is incorrect as it does not accurately define the concept of half-life.
4. A client has a new prescription for Pancrelipase for chronic pancreatitis. Which of the following instructions should be included by the nurse?
- A. Take the medication with meals and snacks.
- B. Chew the tablet thoroughly before swallowing.
- C. Take the medication 1 hour before meals.
- D. Expect the stool to be yellow.
Correct answer: A
Rationale: The correct instruction for taking Pancrelipase is to take it with meals and snacks to aid in the digestion of fats, proteins, and carbohydrates. This helps optimize the effectiveness of the medication in managing chronic pancreatitis. Choice B is incorrect because Pancrelipase should not be chewed but swallowed whole. Choice C is incorrect as the medication should be taken with meals. Choice D is incorrect because while Pancrelipase can cause stool changes, yellow stool is not an expected outcome.
5. A client is prescribed Propranolol for dysrhythmia. Which action should the nurse plan to take?
- A. Hold Propranolol if the client's apical pulse is greater than 100/min.
- B. Monitor the client's blood pressure after administering Propranolol.
- C. Assist the client when transitioning to a sitting or standing position after taking Propranolol.
- D. Monitor the client's potassium levels for signs of Propranolol toxicity.
Correct answer: C
Rationale: The correct action the nurse should plan to take when administering Propranolol to a client with dysrhythmia is to assist the client when transitioning to a sitting or standing position. Propranolol can cause orthostatic hypotension, leading to dizziness during position changes, so it is essential to help the client move slowly to prevent falls or injuries. Choices A, B, and D are incorrect because holding Propranolol based on pulse rate, monitoring blood pressure after administration, and monitoring potassium levels are not directly related to the common side effect of orthostatic hypotension associated with Propranolol.
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