Answer: The feasible solution in an emergency situation to avoid bringing highly contagious patients into a hospital is to set up quarantine facilities outside the hospital (A). This will help to prevent the spread of the disease to other patients and staff.
Explanation: The other options are not feasible solutions:
Expanding the hospital's capacity would take a lot of time and resources, and it would not be possible to do this quickly enough in an emergency situation.
Isolating infected patients in regular patient rooms would put other patients at risk of infection.
Ignoring the risk and admitting all patients would also put other patients at risk of infection.
Therefore, the answer is a) Setting up quarantine facilities outside the hospital.