Correct Answer: A,C,D,E

Rationale: Yoga, meditation, acupuncture, and biofeedback reduce stress through physical, mental, and physiological regulation. Electromagnetic therapy is used for pain or healing, not stress.

Correct Answer: B

Rationale: A patient reporting 'something has given way' is a significant indicator of potential wound dehiscence, as it suggests partial or complete separation of surgical wound layers. Chronic drainage may indicate infection or poor healing, purulent drainage suggests infection, and protrusion of organs indicates evisceration, a later stage of dehiscence, not an early warning sign.

Correct Answer: D

Rationale: At 2 L/min via nasal cannula, the inspired oxygen concentration is approximately 24-28%, as each liter adds about 4% to the room air’s 21%. Thus, 28% is correct.

Correct Answer: D

Rationale: Level of sedation is the priority, as opioids can cause significant sedation and respiratory depression. Over-sedation is a precursor to serious complications like respiratory arrest, making it critical to monitor.

Correct Answer: C

Rationale: Pertussis is primarily spread through respiratory droplets when an infected person coughs or sneezes. Droplet precautions, including wearing a surgical mask within 3 feet of the client and placing the client in a private room, prevent transmission. Airborne precautions are for diseases like tuberculosis, contact precautions for infections like MRSA, and protective precautions are for immunocompromised clients, not pertussis.