Answer:
B) National Association for Health Professionals
Step-by-step explanation:
The EKG technician stands for Electrocardiogram technician, which are the people that manage and set up electrocardiographs in hospitals and clinics, so Smith must be part of the National Association for Health Professionals if eh wants to operate Electrocardiograms, the other options do not make sense for a doctor or nurse that operates electrocardiographs to be part of.