You attempt to take a patient's blood pressure using an automated pressure cuff. You find that the machine is not working properly. "That thing has been making weird sounds for days," says the patient.
You find a different blood pressure monitor and successfully record the patient's blood pressure.
The first step following this incident is to ___
The second step is when the risk management process___
The third step involves the , which will___
The process is complete when the begins to
The first step following this incident is to

[120 total points] (public health) in one of the largest human experiments ever conducted, in 1954 a randomized controlled trial was run to see whether a vaccine developed by a doctor named jonas salk was effective in preventing paralytic polio. a total of 401,974 children (ages 6–9), chosen to be representative of those who might be susceptible to the disease, were randomized to two groups: 200,745 children (the control group c) were injected with a harmless saline solution (a placebo) and the other 201,229 children (the treatment group t) were injected with salk’s vaccine.what was the point of giving saline solution to the children who didn’t get the vaccine? explain briefly.