Correct Answer: A

Rationale: The correct answer is A: Kidney, ureter, bladder (KUB) x-ray. This procedure is noninvasive and commonly used to assess kidney function by visualizing the size, shape, and position of the kidneys. Renal ultrasound is also noninvasive and can provide detailed images of the kidneys. However, MRI and IVP are more invasive procedures that involve the use of contrast agents and are not typically used solely for diagnostic purposes to assess kidney function. Overall, KUB x-ray and renal ultrasound are the preferred noninvasive options for evaluating kidney function.

Correct Answer: B

Rationale: The correct answer is B because providing a daily update of the patient's progress and facilitating communication with the intensivist directly addresses the family members' need for information in a timely and personalized manner. This intervention ensures that the family is kept informed about the patient's condition and treatment plan, fostering transparency and trust. It also allows for any questions or concerns to be addressed promptly, aiding in the family's understanding and involvement in the patient's care. Now, let's summarize why the other choices are incorrect: A: Handing out a pamphlet may provide information, but it lacks the personalized touch and real-time updates that are crucial for meeting the family's need for information. C: Restricting information and only allowing family members to be present at specific times may create frustration and hinder communication, not effectively meeting their information needs. D: Providing a list of medications is helpful, but it does not offer a comprehensive update on the patient's progress or facilitate direct communication with the medical team, which are

Correct Answer: C

Rationale: Rationale: Choice C is correct because a surrogate is indeed a competent adult designated to make healthcare decisions for an incapacitated person. This individual is typically chosen by the person themselves through a legal document like a healthcare proxy. This ensures that someone trusted can make important decisions when the person is unable to do so. Choices A, B, and D are incorrect because a living will and healthcare proxy serve different purposes, a signed donor card does not guarantee organ donation in the event of brain death (medical criteria are also required), and a persistent vegetative state is different from brain death (brain death implies irreversible cessation of brain function while a vegetative state involves some level of brain function).

Correct Answer: B

Rationale: The correct answer is B: Abdominal ultrasonography. This is because ultrasonography is a non-invasive imaging technique that can quickly evaluate for internal injuries such as organ damage or bleeding in patients with blunt abdominal trauma. It is a rapid and effective diagnostic tool to assess the extent of injury and guide further management. Peritoneal lavage (A) is an invasive procedure used in trauma settings to detect intra-abdominal bleeding but is not typically used for teaching purposes. Nasogastric tube placement (C) is used for decompression and drainage in certain conditions but is not relevant for assessing abdominal trauma. Magnetic resonance imaging (MRI) (D) is not typically used as the initial imaging modality for acute trauma due to time constraints and its limited availability in emergency settings.

Correct Answer: D

Rationale: The correct answer is D: Adequate pain control. Pain can significantly disrupt sleep in critically ill patients. By ensuring adequate pain control, the nurse can help improve the patient's ability to rest and sleep. This intervention targets a key factor affecting sleep cycles in critically ill patients. Repositioning every 2 hours (A) may help prevent pressure ulcers but does not directly address sleep improvement. Hypnotic medications (B) may have adverse effects and are not recommended as a first-line intervention. Five-minute back effleurage (C) may provide temporary relaxation but is not as effective as adequate pain control in improving sleep quality.