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. When a client has a new prescription for Warfarin, which of the following foods should they avoid based on the nurse's instructions?
- A. Broccoli
- B. Bananas
- C. Chicken
- D. Potatoes
Correct answer: A
Rationale: Clients prescribed Warfarin should avoid foods high in vitamin K, like broccoli, as they can counteract the medication's effectiveness. Warfarin works by inhibiting vitamin K-dependent clotting factors, so consuming high vitamin K foods can interfere with its anticoagulant effects. Bananas, chicken, and potatoes are not high in vitamin K and do not have a significant impact on Warfarin therapy.
3. A client has a new prescription for Clopidogrel. Which of the following instructions should the nurse include?
- A. Take this medication with food.
- B. Avoid taking aspirin while on this medication.
- C. Avoid eating foods high in potassium.
- D. Take this medication at bedtime.
Correct answer: B
Rationale: When a client is prescribed Clopidogrel, an antiplatelet medication, the nurse should instruct them to avoid taking aspirin or other NSAIDs. This is because both medications can increase the risk of bleeding when taken together, potentially leading to serious health complications. Therefore, it is crucial for the client to follow this instruction to ensure their safety and well-being while on Clopidogrel. Choices A, C, and D are incorrect because taking Clopidogrel with food, avoiding foods high in potassium, or taking the medication at bedtime are not specific instructions related to the safe use of Clopidogrel and do not address the potential interaction with aspirin, which is essential for the client's well-being.
4. A healthcare professional is preparing to administer Enoxaparin to a client. Which of the following actions should the healthcare professional take?
- A. Administer the medication orally.
- B. Massage the injection site after administration.
- C. Insert the needle at a 45- to 90-degree angle.
- D. Aspirate before injecting the medication.
Correct answer: C
Rationale: Enoxaparin should be administered subcutaneously at a 45- to 90-degree angle. This angle ensures proper delivery of the medication. Massaging the injection site should be avoided to prevent bruising and possible tissue damage. Aspiration is not required for subcutaneous injections like Enoxaparin. Therefore, the correct action for administering Enoxaparin is to insert the needle at a 45- to 90-degree angle.
5. A healthcare provider is preparing to administer an Opioid agonist to a client who has acute pain. Which of the following complications should the healthcare provider monitor?
- A. Urinary retention
- B. Tachypnea
- C. Hypertension
- D. Irritating cough
Correct answer: A
Rationale: The correct answer is urinary retention. Opioid agonists like morphine can suppress the sensation of a full bladder, leading to urinary retention. Monitoring for this complication is crucial to prevent bladder distention and related issues. Choices B, C, and D are incorrect. Tachypnea (increased respiratory rate), hypertension (high blood pressure), and irritating cough are not typically associated with opioid agonist administration for pain management.
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