Final answer:
Two organizations that assist medical assisting professionals are the CDC and NIH, which focus on disease control, prevention, and medical research respectively.
Step-by-step explanation:
Organizations that assist medical assisting professionals include various professional societies and trade associations that work toward improving working conditions, public perceptions, networking, collaboration, and representing industry interests. The question requires identifying two organizations that support these professionals. Option B) CDC (Centers for Disease Control and Prevention) and NIH (National Institutes of Health) are the correct choices, as both are significant contributors to public health and medical research, which directly supports the medical assisting profession. Other organizations like the ADA and NASA do not specifically focus on medical assisting professionals. The CDC is involved in disease control and prevention, which is vital for medical professionals to be informed about, and the NIH conducts medical research important for advancements in health care.