A nurse discusses three priority actions to take if an active shooter appears at the local hospital with newly licensed nurses. What should the nurse include in the discussion?

A.An acute decrease in oxygen saturation indicates a potential compromise of the airway or gas exchange, requiring immediate intervention to prevent cellular hypoxia. According to the Airway-Breathing-Circulation prioritization framework, respiratory distress takes precedence over stable or educational needs. This patient is at the highest risk for rapid physiological deterioration and systemic organ failure.

B.A patient with a healed abdominal incision is considered stable and does not require urgent nursing assessment. A healed wound indicates that the inflammatory and proliferative phases of healing are complete and there is no immediate risk of dehiscence or infection. Seeing this patient first would violate the principle of prioritizing unstable over stable clinical presentations.

C.Providing medication education is a critical nursing function but is categorized as a low-priority task when compared to acute physiological instability. Education is a psychosocial and cognitive intervention that can be safely delayed until life-threatening conditions are addressed. In this scenario, the nurse must ensure physical safety before addressing the client's knowledge deficits.

D.A slight temperature may indicate a nascent inflammatory process or a mild infection, but it does not represent a systemic emergency. Without other signs of hemodynamic instability or sepsis, this patient remains stable relative to someone experiencing an acute drop in oxygenation. The nurse should address the respiratory compromise before evaluating a low-grade febrile response.

A.Vector transmission involves an intermediate living organism, typically an arthropod like a mosquito, tick, or flea, that carries the pathogen from a reservoir to a susceptible host. Staphylococcus aureusdoes not require a biological vector for its lifecycle or transmission. This mode is characteristic of diseases such as malaria, Lyme disease, or West Nile virus.

B.Indirect contact transmission occurs when a susceptible host comes into contact with a contaminated inanimate object, known as a fomite. In this clinical scenario, the towel serves as the fomite that harbored the Staphylococcus aureusafter being contaminated by an infected individual. This pathway is a common route for healthcare-associated infections when environmental surfaces are not properly disinfected.

C.Droplet transmission involves the passage of large respiratory particles, typically greater than 5 microns, through the air when an infected person coughs or sneezes. These droplets travel short distances, usually less than 3 feet, and land on the mucosal membranes of a host. While some staphylococcal strains can exist in respiratory secretions, the use of a towel identifies a contact-based route.

D.Airborne transmission occurs when microorganisms are dispersed via evaporated droplets or dust particles smaller than 5 microns that remain suspended in the air for long periods. These pathogens can be inhaled by a host over much greater distances than droplet transmission. Staphylococcus aureusis not primarily an airborne pathogen; it lacks the structural stability to remain infectious in such aerosolized states.