That's false. They may recommend a hospital that specializes in a certain treatment or procedure but the patient has the right to choose as long as the doctor has practicing priviledges there.
The function of the atria is to collect and pump blood into the ventricles. The function of the ventricles is to pump blood into systemic and pulmonary circulations.
I believe the correct answer is A , but I am not 100% sure , hope I helped (:
All of the above just took that test