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: D

Rationale: Changing tracheostomy ties if they are wet is essential to prevent infection and maintain skin integrity. Wet ties can harbor bacteria, increasing the risk of skin breakdown and other complications. Regularly changing wet ties promotes cleanliness, reduces the likelihood of complications, and ensures optimal care for the client with a tracheostomy.

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: C

Rationale: The primary purpose of therapeutic communication in healthcare is to establish a therapeutic relationship between the healthcare provider and the client. Through effective communication, trust, empathy, and understanding can be fostered, which are essential for providing quality care and promoting positive health outcomes. Building a therapeutic relationship enhances patient satisfaction, improves adherence to treatment plans, and increases the likelihood of successful health outcomes.

Correct Answer: D

Rationale: The correct instruction to include for a client being discharged with a prescription for furosemide is to 'Change positions slowly.' Furosemide, a diuretic, can cause dizziness and orthostatic hypotension, increasing the risk of falls. By advising the client to change positions slowly, the body can adjust to postural changes gradually, reducing the likelihood of falls and related injuries.