ATI RN
ATI Proctored Pharmacology 2023
1. 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.
2. In the management of nausea due to gastroparesis in a client with Diabetes, which of the following medications may be prescribed?
- A. Lubiprostone
- B. Metoclopramide
- C. Bisacodyl
- D. Loperamide
Correct answer: B
Rationale: Metoclopramide, as a dopamine antagonist, is commonly prescribed to manage nausea and improve gastric motility in clients with diabetic gastroparesis. By enhancing gastric emptying, it can help alleviate symptoms like bloating and nausea associated with gastroparesis. Choice A, Lubiprostone, is primarily used to treat chronic idiopathic constipation and irritable bowel syndrome with constipation, not nausea due to gastroparesis. Choice C, Bisacodyl, is a stimulant laxative used for the treatment of constipation and bowel preparation before procedures, not for nausea associated with gastroparesis. Choice D, Loperamide, is an antimotility agent used to manage diarrhea, not nausea or gastric motility issues seen in gastroparesis.
3. A client has a new prescription for Propranolol. Which of the following statements should the nurse include in teaching the client?
- A. You may experience a rapid heart rate while taking this medication.
- B. Take the medication with food.
- C. Avoid sudden changes in position.
- D. Increase your intake of high-sodium foods.
Correct answer: C
Rationale: The correct statement to include when teaching a client about Propranolol is to avoid sudden changes in position. Propranolol, a beta-blocker, can lead to dizziness and lightheadedness, particularly when changing positions. Therefore, clients should be advised to change positions slowly to prevent falls and related injuries. Choice A is incorrect because Propranolol actually helps lower heart rate and blood pressure. Choice B is not a specific requirement for taking Propranolol. Choice D is also incorrect as increasing high-sodium foods is not recommended with Propranolol which can affect blood pressure control.
4. A client with osteoporosis has a new prescription for alendronate. Which of the following instructions should the nurse provide?
- A. Take the medication with a meal.
- B. Remain upright for at least 30 minutes after taking the medication.
- C. Take the medication with a glass of juice.
- D. Take the medication with milk or food.
Correct answer: B
Rationale: The correct instruction for a client taking alendronate is to remain upright for at least 30 minutes after administration. This is essential to prevent esophageal irritation and ensure the medication reaches the stomach properly. Remaining upright reduces the risk of side effects such as esophagitis. Choices A, C, and D are incorrect as alendronate should not be taken with a meal, juice, milk, or food to optimize its absorption and effectiveness.
5. A client has been prescribed Aspirin for prevention of cardiovascular disease. Which of the following findings indicates the medication is effective?
- A. The client has a decrease in troponin levels.
- B. The client has a regular heart rhythm.
- C. The client experiences a decrease in episodes of angina.
- D. The client's blood pressure remains stable.
Correct answer: C
Rationale: The correct answer is C. A decrease in episodes of angina is an indicator of Aspirin's effectiveness in preventing cardiovascular events. Aspirin works by inhibiting platelet aggregation, thereby reducing the formation of blood clots that could lead to angina episodes or more severe cardiovascular complications. Choices A, B, and D are incorrect because troponin levels, heart rhythm, and blood pressure are not direct indicators of Aspirin's effectiveness in preventing cardiovascular events.
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