ATI RN
ATI Pharmacology Quizlet
1. A healthcare provider is administering a Dopamine infusion at a low dose to a client who has severe heart failure. Which of the following findings is an expected effect of this medication?
- A. Lowered heart rate
- B. Increased myocardial contractility
- C. Decreased conduction through the AV node
- D. Vasoconstriction of renal blood vessels
Correct answer: B
Rationale: Dopamine, when administered at a low dose, acts on beta1 receptors in the heart, leading to increased myocardial contractility. This positive inotropic effect results in improved cardiac output, which is beneficial for a client with severe heart failure. Dopamine does not typically cause lowered heart rate, decreased conduction through the AV node, or vasoconstriction of renal blood vessels at low doses.
2. A client has a new prescription for Alteplase. Which of the following actions should the nurse plan to take?
- A. Administer the medication within 4 hours of the onset of symptoms.
- B. Reconstitute the medication with sterile saline.
- C. Administer heparin concurrently with the Alteplase infusion.
- D. Monitor for changes in level of consciousness.
Correct answer: D
Rationale: Alteplase is a thrombolytic agent used to dissolve blood clots. Patients receiving Alteplase are at risk for bleeding complications, including intracranial bleeding. Monitoring for changes in the level of consciousness is crucial as it can indicate early signs of bleeding, such as increased intracranial pressure. This rapid assessment allows for timely intervention and prevention of further complications. Choices A, B, and C are incorrect. Administering Alteplase within 4 hours of symptom onset is related to the time-sensitive nature of thrombolytic therapy for conditions like acute myocardial infarction or ischemic stroke. Reconstituting Alteplase with sterile saline is a correct step in preparing the medication for administration. Administering heparin concurrently with Alteplase is generally avoided due to the increased risk of bleeding.
3. A client has a new prescription for a Fentanyl transdermal patch. Which of the following instructions should the nurse include?
- A. Apply the patch to a non-hairy area.
- B. Change the patch every 72 hours.
- C. Avoid exposure to heat sources.
- D. Do not cut the patch to adjust the dosage.
Correct answer: C
Rationale: The correct instruction the nurse should include for a client using a Fentanyl transdermal patch is to avoid exposure to heat sources. Heat can increase the absorption of the medication, potentially causing an overdose. Instructing the client to avoid heat sources is crucial to ensure their safety and the effectiveness of the medication. Choices A, B, and D are incorrect because applying the patch to a non-hairy area, changing it every 72 hours, and not cutting the patch are general guidelines for using transdermal patches but do not specifically address the unique risks associated with Fentanyl patches.
4. A client has a new prescription for Iron supplements. Which of the following instructions should be included?
- A. Take the medication with a glass of milk.
- B. Avoid taking the medication with orange juice.
- C. Increase fiber intake to prevent constipation.
- D. Expect stools to be bright red.
Correct answer: C
Rationale: The correct answer is C: 'Increase fiber intake to prevent constipation.' Iron supplements commonly cause constipation as a side effect. Increasing fiber intake can help alleviate this issue by promoting regular bowel movements and preventing constipation. Choice A is incorrect as iron absorption is hindered when taken with milk. Choice B is not directly related to iron supplements. Choice D is incorrect as iron supplements do not typically cause bright red stools.
5. A client has a new prescription for levothyroxine. Which of the following instructions should the nurse include?
- A. Take this medication at bedtime.
- B. Take this medication with food.
- C. Take this medication on an empty stomach in the morning.
- D. Take this medication with an antacid.
Correct answer: C
Rationale: Levothyroxine should be taken on an empty stomach in the morning to enhance its absorption. This timing allows for optimal absorption and effectiveness of the medication. Taking it with food, at bedtime, or with an antacid may interfere with its absorption and reduce its efficacy.
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