ATI RN
ATI Pharmacology Proctored Exam 2019
1. A client with a history of preterm labor is reviewing a new prescription for Terbutaline. Which of the following client statements indicates understanding of the teaching?
- A. I will increase my daily fluid intake to 3 quarts.
- B. I can increase my activity now that I've started on this medication.
- C. I will report increasing intensity of contractions to my doctor.
- D. I am glad this will prevent preterm labor.
Correct answer: C
Rationale: The correct answer is C. The client should report increasing intensity, frequency, or duration of contractions to the provider because these are manifestations of preterm labor. This response demonstrates the client's understanding of the importance of monitoring contractions and seeking appropriate medical attention. Choices A, B, and D are incorrect because increasing fluid intake, increasing activity, or assuming the medication will prevent preterm labor are not relevant actions in managing preterm labor or taking Terbutaline.
2. Following a stroke, a client has been started on clopidogrel (Plavix). Why is this medication being administered?
- A. To prevent stroke in high-risk patients, such as those with prosthetic heart valves
- B. To decrease blood pressure
- C. To increase heart rate
- D. To provide antiplatelet activity in patients who cannot tolerate aspirin
Correct answer: D
Rationale: Clopidogrel (Plavix) is an antiplatelet medication that inhibits platelet aggregation, reducing the risk of blood clots. It is commonly used in patients who have had a stroke and cannot tolerate aspirin due to allergies or intolerances. Choosing clopidogrel in these cases helps prevent further clot formation and reduces the risk of recurrent strokes.
3. A client has a new prescription for erythromycin. Which of the following statements by the client indicates an understanding of the teaching?
- A. I should take this medication with a full glass of water.
- B. I should avoid direct sunlight while taking this medication.
- C. I will take this medication on an empty stomach.
- D. I should take an antacid 30 minutes before taking this medication.
Correct answer: C
Rationale: The correct answer is C. Erythromycin should be taken on an empty stomach with a full glass of water to increase absorption. Taking it with a full glass of water (Choice A) is incorrect. Avoiding direct sunlight (Choice B) is not related to erythromycin use. Taking an antacid before the medication (Choice D) can interfere with its absorption.
4. 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.
5. A client with type 2 Diabetes Mellitus is starting Repaglinide. Which statement by the client indicates understanding of the administration of this medication?
- A. I'll take this medicine with my meals.
- B. I'll take this medicine 30 minutes before I eat.
- C. I'll take this medicine just before I go to bed.
- D. I'll take this medicine as soon as I wake up in the morning.
Correct answer: B
Rationale: The correct answer is B. Repaglinide causes a rapid, short-lived release of insulin. It is crucial for the client to take this medication 15-30 minutes before each meal to synchronize the peak insulin availability with mealtime glucose elevation, maximizing its effectiveness in controlling blood sugar levels. Choice A is incorrect because taking the medicine with meals may not optimize its action. Choice C is incorrect as taking the medicine before going to bed is not in line with its mechanism of action. Choice D is incorrect as taking the medicine upon waking up does not coincide with mealtime glucose elevation.
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