River Valley Medical Assistants take the World by Storm...
The National Board for Respiratory Care is the national testing agency. Here you can find information on testing schedules and requirements as well as online practice exams.
The Vermont/New Hampshire Society for Respiratory Care. Here is the local respiratory care society. They schedule continuing education opportunities for professionals. Each year they organize a two day conference.
American Lung Association. Many good references and information on asthma and other lung diseases.