NUR 3946L Individual Clinical Practice FINALS READINESS EXAM Q & S 2025/2026 1. A 65-year-old male presents with new-onset confusion and a history of atrial fibrillation. Which diagnostic test is most appropriate to evaluate the suspected cause of his condition?  - A) MRI of the brain  - B) Chest X-ray  - C) ECG  - D) Serum sodium level  - Correct Answer: A) MRI of the brain  - Rationale: MRI will help identify ischemic or hemorrhagic stroke, which is a common complication of atrial fibrillation. 2. A patient on warfarin is scheduled for surgery. Which lab finding is crucial to evaluate perioperative bleeding risk?  - A) Complete blood count (CBC)  - B) PT/INR  - C) PTT  - D) D-dimer  - Correct Answer: B) PT/INR  - Rationale: PT/INR specifically monitors the anticoagulation effect of warfarin and helps assess bleeding risk. 3. When managing a patient's pain using a PatientControlled Analgesia (PCA) pump, which principle is most important to maintain safety?  - A) Regularly check the infusion pump settings  - B) Allow family members to control the PCA for the patient  - C) Administer additional oral pain medications routinely  - D) Set the PCA to maximum dosage limits to ensure