MEA 2803L - Externship for Medical Assisting MEA 2803L - Externship for Medical Assisting 4 credits This course serves as a scheduled work experience, without remuneration, which s the student bridge the gap between classroom and workplace. This opportunity allows the student to apply newly obtained clinical and administrative skills and knowledge in a real-world setting, while still benefitting from instruction and supervision from experienced healthcare providers. The students complete the course by taking the NHA’s Certified Clinical Medical Assistant (CCMA) credentialing exam.