ATI RN
ATI Pharmacology Test Bank
1. A healthcare professional is reviewing laboratory results for a client who is receiving heparin via continuous IV infusion. Which of the following results indicates that the heparin infusion should be increased?
- A. aPTT of 90 seconds
- B. Platelet count of 150,000/mm³
- C. INR of 1.0
- D. Hgb of 15 g/dL
Correct answer: A
Rationale: An aPTT of 90 seconds is above the therapeutic range for heparin, which typically falls between 60-80 seconds. This indicates that the current heparin dose is too high, and the infusion rate should be decreased to avoid excessive anticoagulation and the risk of bleeding. Monitoring aPTT is crucial in adjusting heparin therapy to maintain it within the therapeutic range.
2. A client is receiving imatinib. Which of the following adverse effects should the nurse monitor?
- A. Edema
- B. Constipation
- C. Dry mouth
- D. Urinary retention
Correct answer: A
Rationale: The correct answer is A: Edema. The nurse should monitor the client for edema when receiving imatinib. Imatinib, a tyrosine kinase inhibitor, can lead to fluid retention and edema as a common adverse effect. This can manifest as swelling in various parts of the body, indicating the need for close monitoring by the nurse to prevent complications related to fluid overload. Choices B, C, and D are incorrect because constipation, dry mouth, and urinary retention are not typically associated with imatinib use. Therefore, they are not the priority adverse effects to monitor in a client receiving this medication.
3. A client's plasma Lithium level is 2.1 mEq/L. Which of the following is an appropriate action by the nurse?
- A. Perform immediate gastric lavage.
- B. Prepare the client for hemodialysis.
- C. Administer an additional oral dose of lithium.
- D. Request a stat repeat of the laboratory test.
Correct answer: A
Rationale: In a client with a plasma lithium level of 2.1 mEq/L, immediate gastric lavage is appropriate for severe toxicity. Gastric lavage can help lower the client's lithium level by removing the unabsorbed lithium from the stomach.
4. A healthcare provider is providing discharge instructions to a client who has a new prescription for Warfarin. Which of the following over-the-counter medications should the provider instruct the client to avoid?
- A. Acetaminophen
- B. Ibuprofen
- C. Diphenhydramine
- D. Loratadine
Correct answer: B
Rationale: Ibuprofen is a nonsteroidal anti-inflammatory drug (NSAID) that can increase the risk of bleeding when taken with Warfarin due to its antiplatelet effects. The combination of Warfarin, an anticoagulant, and NSAIDs can potentiate the risk of bleeding complications. Clients on Warfarin should avoid NSAIDs like ibuprofen and opt for alternative pain relief options such as acetaminophen. Diphenhydramine and loratadine are antihistamines and are generally safe to use with Warfarin as they do not significantly increase the risk of bleeding when compared to NSAIDs like ibuprofen.
5. A client has a new prescription for Captopril. Which of the following instructions should the nurse include?
- A. Take this medication with food.
- B. Avoid foods high in potassium.
- C. Take this medication on an empty stomach.
- D. Increase your intake of sodium-rich foods.
Correct answer: C
Rationale: Captopril should be taken on an empty stomach for better absorption. The client should be instructed to take it 1 hour before or 2 hours after meals to optimize its effectiveness. Taking it with food can reduce its absorption and efficacy.
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