ATI Pharmacology Test Bank

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.

Correct Answer: A

Rationale: One of the potential adverse effects of fluoxetine and other SSRIs is a decreased libido, which can impact intimacy. It is essential for the nurse to educate the client about this possible side effect to promote awareness and understanding of the medication's effects.

Correct Answer: B

Rationale: The INR (International Normalized Ratio) is the most important lab value to monitor in a client taking warfarin. Warfarin is an anticoagulant, and the INR reflects the effectiveness of anticoagulation therapy. Monitoring the INR helps ensure the client is within the therapeutic range to prevent both clotting and bleeding complications.

Correct Answer: B

Rationale: Alendronate should be taken first thing in the morning on an empty stomach to maximize absorption. Taking it with food, milk, or meals can reduce its effectiveness by impairing absorption. Therefore, advising the client to take it on an empty stomach is crucial for optimal therapeutic outcomes.

Correct Answer: D

Rationale: While bone marrow suppression is not typically associated with Enfuvirtide, a more relevant concern is the risk of severe allergic reactions such as anaphylaxis. Enfuvirtide, an HIV fusion inhibitor, can cause local injection site reactions and systemic allergic responses. Monitoring for signs of allergic reactions, such as rash, fever, and difficulty breathing, is crucial to ensure the client's safety.