Correct Answer: B

Rationale: When a pressure ulcer is healing, there is a decrease in its size as the tissue repair progresses. This reduction in size is a positive indication of the healing process. An increase in drainage, presence of foul odor, or reddened wound edges are typically signs of infection or lack of improvement. Therefore, the correct answer is a decrease in size.

Correct Answer: A

Rationale: Emptying the colostomy bag when it is half full is crucial to prevent leakage and detachment from the skin. This practice helps to maintain the integrity of the colostomy system, reducing the risk of skin irritation and odor. It is essential for client comfort and overall stoma care.

Correct Answer: D

Rationale: Having a second nurse witness the disposal of any unused portion of a controlled substance is a legal requirement to ensure proper disposal, prevent diversion, and maintain accountability. This practice helps in reducing the risk of misuse or unauthorized access to controlled substances, enhancing patient safety, and complying with legal regulations and standards.

Correct Answer: A

Rationale: Flushing the NG tube with 30 mL of water every 4 hours is crucial to maintain its patency and prevent blockages. This routine ensures the tube stays clear and functional, enabling proper delivery of medications and nutrition to the client. Regular flushing also helps prevent residue buildup or clogs within the tube, reducing risks like aspiration or inaccurate medication dosing.

Correct Answer: B

Rationale: The primary purpose of the Health Insurance Portability and Accountability Act (HIPAA) is to ensure the confidentiality and security of health information. HIPAA establishes national standards to protect individuals' medical records and other personal health information. By safeguarding the privacy of health data, HIPAA aims to maintain the integrity and confidentiality of sensitive patient information, preventing unauthorized access and disclosure. This focus on privacy and security helps build trust between patients and healthcare providers, ensuring that personal health information is handled responsibly and ethically.