Which action is used to dislodge the object in a choking victim's throat? A)tightening the victim's clothing

B)abdominal thrust

C)CPR

D)elevation

[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.

In the 2010 ncaa men's lacrosse annual meeting, a rule change regarding "get it in/keep it in" was added to what section?

Aclient has been hospitalized for an endocrine system dysfunction of the pancreas. the registered nurse asks the new orientee nurse what kind of problem a client hospitalized for endocrine dysfunction of the pancreas would expect. the new orientee nurse demonstrates understanding if which statement is made?