Correct Answer: B

Rationale: The correct answer is B because limiting the client's time with visitors helps prevent the spread of shigella infection to others. Shigella is transmitted through the fecal-oral route, so minimizing contact time reduces the risk of transmission. Choice A is incorrect as there is no need for the client to wear a mask in this situation. Choice C is also incorrect as negative-pressure airflow exchange rooms are typically used for clients with airborne infections. Choice D is incorrect as wearing a gown is not the primary precaution needed for shigella infection.

Correct Answer: C

Rationale: The correct answer is C: 'To empower patients to take control of their health.' Patient education aims to provide individuals with the knowledge and skills necessary to actively participate in managing their health conditions. Choice A, 'To enhance clinical skills,' is incorrect as patient education focuses on empowering patients, not enhancing healthcare providers' skills. Choice B, 'To ensure patient safety,' is incorrect because while patient safety is crucial, the primary goal of patient education is to empower patients. Choice D, 'To improve patient compliance,' is also incorrect as the main aim is to empower patients to make informed decisions and take an active role in their healthcare.

Correct Answer: D

Rationale: The correct answer is D: 'As a standard for measuring actions, ethical principles may be the basis for laws.' This statement is true as ethical principles can influence the creation and implementation of laws. Ethical principles often serve as a foundation for laws by reflecting societal values and moral standards. Choice A is incorrect because while the government may enforce laws, ethics are typically guided by moral principles rather than government enforcement. Choice B is incorrect because laws provide legal standards, not ethical standards, for decision-making. Choice C is incorrect because ethics are not always very specific; they can be broad and encompass various moral values and principles.

Correct Answer: C

Rationale: A critical pathway is designed to track a patient's progress through a specific timeline, including assessments, interventions, treatments, and outcomes. Hip replacement surgery is well suited for a nursing critical pathway because it has a defined timeline with specific interventions and treatments aimed at achieving optimal functioning. Choices A, B, and D do not typically follow a structured timeline with predetermined interventions and outcomes, making them less suitable for a critical pathway.

Correct Answer: A

Rationale: The correct answer is A. Ketones in the urine may indicate infection or blockage in the urinary catheter, necessitating irrigation to ensure proper drainage. Choice B, an unusual odor in the urine, may suggest infection but does not directly indicate the need for catheter irrigation. Choice C, a high urine specific gravity, is indicative of concentrated urine but does not specifically point to the need for catheter irrigation. Choice D, a bladder scan showing 525 mL of urine, indicates urine retention, which may require catheterization or further assessment but not necessarily irrigation.