Correct Answer: A

Rationale: The patient's presentation of recurrent episodes of sudden, severe vertigo lasting hours with nausea, vomiting, and nystagmus, along with unilateral weakness on vestibular function tests, is most consistent with vestibular neuritis. Vestibular neuritis is characterized by inflammation of the vestibular nerve leading to sudden onset vertigo that can last for hours to days. It is often associated with nausea, vomiting, and nystagmus. Unilateral weakness on vestibular function tests indicates dysfunction of one vestibular system. Differential diagnosis for this type of presentation includes other conditions such as Meniere's disease, BPPV, and acoustic neuroma. However, the combination of symptoms and unilateral vestibular weakness makes vestibular neuritis the most likely diagnosis in this case.

Correct Answer: A

Rationale: The clinical presentation of gross hematuria, flank pain, palpable abdominal mass, along with imaging findings of a large heterogeneous renal mass with necrosis and calcifications are highly suggestive of renal cell carcinoma (RCC). RCC is the most common type of kidney cancer in adults. The presence of necrosis and calcifications are characteristic features of RCC. Imaging modalities such as CT scans or MRI can confirm the diagnosis by showing the typical features of RCC, including a solid mass with areas of necrosis and calcifications. It is important to further evaluate this patient, likely with a biopsy, to confirm the diagnosis and determine the extent of the disease for appropriate management.

Correct Answer: A

Rationale: The priority intervention in managing acute pancreatitis is to administer intravenous fluids to maintain adequate hydration. Acute pancreatitis can lead to significant fluid loss and dehydration due to factors such as vomiting and third-spacing of fluids into the retroperitoneal space. Adequate hydration helps to optimize perfusion to the pancreas, prevent hypovolemic shock, and support overall organ function. This intervention also aids in flushing out inflammatory mediators and preventing complications such as acute kidney injury. Monitoring fluid status and adjusting the rate of intravenous fluid administration based on the patient's response is crucial in the management of acute pancreatitis. While other interventions such as imaging studies, nutritional support, and gastric acid suppression may be important in managing acute pancreatitis, ensuring adequate hydration is the most critical initial step.

Correct Answer: B

Rationale: The importance of validation in the context of communication and nursing care does not include the assumption that most patients are cognitively impaired. It would be more appropriate to approach patient interactions with the assumption that patients are capable of understanding and coherent communication. Validation is important because it helps ensure that the nurse has truly understood the patient's message, prevents misinterpretation, and fosters a sense of empathy and trust in the nurse-patient relationship. Additionally, validating the patient's thoughts and feelings can help clarify confused thoughts and promote effective communication. The other options (A, C, and D) are all valid reasons emphasizing the significance of validation in effective communication.

Correct Answer: A

Rationale: It is important for the nurse to provide the PACU nurse with the patient's intraoperative vital signs and hemodynamic parameters as this information gives insight into the patient's stability during the surgical procedure. The PACU nurse needs this data to monitor the patient's postoperative recovery, assess for any potential complications, and establish appropriate care interventions. Understanding the patient's intraoperative status allows the PACU nurse to provide a seamless continuation of care from the operating room to the post-anesthesia care unit. The details of the surgical procedure and anesthesia administration are also important but are typically conveyed through the surgical and anesthesia records. The plan for postoperative pain management and analgesic medications is essential but can be discussed and adjusted based on the patient's current status in the PACU. Documentation of the surgical count and instrument inventory is crucial for ensuring patient safety but is typically managed by the operating room team and may not be the immediate