a patient is scheduled for an elective surgery and is taking warfarin what instruction should the nurse provide regarding the warfarin therapy
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Nursing Elites

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ATI Learning System PN Medical Surgical Final Quizlet

1. Prior to elective surgery, a patient taking warfarin should receive which instruction regarding warfarin therapy?

Correct answer: D

Rationale: Prior to elective surgery, a patient taking warfarin should be instructed to stop taking warfarin around one week before the procedure. This timeframe allows for the effects of warfarin to diminish, lowering the risk of excessive bleeding during surgery. Continuing warfarin until the day of surgery (Choice A) increases the risk of bleeding complications. Stopping warfarin three days before surgery (Choice B) may not provide enough time for the anticoagulant effects to subside. Switching to aspirin before surgery (Choice C) is not recommended as a substitute for warfarin in this context.

2. In which situation is it most important for the registered nurse (RN) working on a medical unit to provide direct supervision?

Correct answer: A

Rationale: Direct supervision is essential when a complex task, such as accessing an implanted port, is being performed by a less experienced healthcare provider, in this case, a graduate nurse. This oversight ensures patient safety and proper execution of the procedure, especially when it is the nurse's first time performing such a task.

3. A client with cirrhosis is at risk for bleeding. Which laboratory test is most important to monitor?

Correct answer: C

Rationale: In clients with cirrhosis, monitoring the Prothrombin time (PT) is crucial as it assesses the blood's ability to clot. Cirrhosis can lead to impaired liver function, affecting the synthesis of clotting factors, hence increasing the risk of bleeding. Maintaining a close watch on PT levels helps in timely intervention to prevent excessive bleeding episodes. Blood glucose (Choice A) is not directly related to the clotting function; serum creatinine (Choice B) and electrolytes (Choice D) are important, but in cirrhosis, monitoring PT takes precedence due to the increased bleeding risk.

4. A client in labor states, 'I think my water just broke!' The nurse notes that the umbilical cord is on the perineum. What action should the nurse perform first?

Correct answer: C

Rationale: In this scenario, the priority action for the nurse is to place the client in Trendelenburg position. This position helps alleviate pressure on the umbilical cord, preventing compression and ensuring continued blood flow to the fetus. Administering oxygen, notifying the operating room team, or administering a fluid bolus are not the initial priority actions in a cord prolapse situation.

5. A 45-year-old woman presents with fatigue, weight gain, and constipation. Laboratory tests reveal high TSH and low free T4 levels. What is the most likely diagnosis?

Correct answer: A

Rationale: The combination of high TSH and low free T4 levels is consistent with hypothyroidism, which matches the patient's symptoms of fatigue, weight gain, and constipation. In hypothyroidism, the thyroid gland does not produce enough thyroid hormones, leading to a decrease in metabolic rate and resulting in these clinical findings.

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