Correct Answer: A

Rationale: A. Initiate oxygen therapy: Providing oxygen therapy is appropriate to ensure adequate oxygenation and tissue perfusion during episodes of paroxysmal supraventricular tachycardia.

Correct Answer: A

Rationale: In a patient with a newly created ileal diversion with a continent reservoir, demonstrating care for the collection device signifies that the patient has understood the importance of maintaining hygiene and proper management of the device. This behavior indicates that the teaching provided by the nurse has been effective in helping the patient take care of the diversion and prevent complications such as infection or skin irritation. Understanding how to care for the collection device is crucial for the patient's overall well-being and quality of life with the continent reservoir.

Correct Answer: D

Rationale: Crepitation refers to a grating sound or sensation that occurs when there is rubbing together of the roughened articular surfaces of bones within a joint. It is commonly associated with conditions such as osteoarthritis or joint injury. Therefore, if the nurse hears a grating sound while assessing the range of motion of a patient's hip, the appropriate documentation of this finding would be crepitation.

Correct Answer: B

Rationale: The brown pigmentation of the lower extremities in clients with venous stasis is primarily caused by the breakdown of red blood cells in the congested tissues. When there is venous stasis, the blood circulation is impaired, leading to a backup of blood in the lower extremities. This stagnant blood contains hemosiderin, a byproduct of red blood cell breakdown. Over time, the hemosiderin deposits in the tissues, causing the characteristic brown discoloration seen in conditions such as chronic venous insufficiency. This process is known as hemosiderin deposition and is a common consequence of venous stasis.

Correct Answer: C

Rationale: Ensuring that the nasogastric tube is functioning is the most important nursing action when caring for a patient with a paralytic ileus. A paralytic ileus is a condition where there is a temporary paralysis of the intestine, leading to a lack of bowel motility. This can result in a buildup of gas and fluids in the intestines, causing abdominal distension, pain, and potential complications.