Correct Answer: B

Rationale: The most effective intervention in preventing postoperative complications is to ambulate the patient as soon as possible. Early ambulation helps prevent complications like deep vein thrombosis and pneumonia by enhancing circulation and preventing respiratory issues. Encouraging the patient to drink fluids, perform deep breathing exercises, or range of motion exercises are beneficial interventions, but ambulation is the priority due to its overall impact on preventing various postoperative complications.

Correct Answer: B

Rationale: The correct answer is B because ensuring two nurses double-check medications before administration is a crucial step in minimizing the risk of medication errors. This practice helps in verifying the accuracy of medication orders and reducing the chances of mistakes. Choice A may not necessarily prevent errors as preparing medications ahead of time does not guarantee accuracy. Choice C, administering medications at the same time each day, is important for consistency but does not directly address the risk of errors. Choice D, relying on memory, is highly discouraged as it increases the likelihood of errors due to human forgetfulness.

Correct Answer: A

Rationale: The correct answer is to delegate the task to a licensed practical nurse (LPN). LPNs can typically perform suctioning, but it is essential to consider the state's practice guidelines and hospital policy. Option B, delegating to a registered nurse (RN), is not necessary for this task as LPNs are usually competent to handle suctioning. Option C, delegating to a nursing assistant (NA), may not be appropriate as suctioning may require a higher level of training and expertise. Option D, performing the task independently, is not the best choice as delegation is a key aspect of nursing practice to ensure tasks are appropriately assigned based on competency levels.

Correct Answer: A

Rationale: The correct answer is A because advancing the walker too far ahead increases the risk of falls, indicating a need for further teaching. Choice B is correct as using the walker to assist in standing is a proper use. Choice C is correct as maintaining balance while using the walker shows proper technique. Choice D is incorrect as walking with the back hunched over is a posture issue, not directly related to walker use.

Correct Answer: A

Rationale: The correct answer is A: Sterilizing contaminated items. Maintaining medical asepsis involves ensuring that items are free of microorganisms to prevent infections. Sterilizing contaminated items is a crucial step in this process as it eliminates all microorganisms, including spores. Choices B, C, and D do not directly address the process of reducing and preventing the spread of microorganisms. While routinely cleaning the hospital environment is important for cleanliness, it does not guarantee the elimination of all microorganisms. Reapplying a sterile dressing and applying a sterile gown and gloves are specific actions related to personal protective equipment and wound care, not the general maintenance of medical asepsis.