Answer:
-medical transcriptionists
-medical assistants
Step-by-step explanation:
-A medical transcriptionist write reports from healthcare professionals voice recordings. To perform this job, people may get a certification that requires to take an exam.
-A doctor takes care of patients, diagnoses diaseases and provide treatments. Doctors need a license to be able to do their job.
-A medical assistant takes care of administrative and clinical activities in medical facilities.
-An engineer uses principles to create products or medical technologies. A biomedical engineer needs a license to perform the job.
According to this, the healthcare careers that require certifications are medical transcriptionists and medical assistants.