The number of credit hours typically required to earn a certification as an emergency medical technician (EMT) can vary by program and institution. However, a common requirement is around 170 to 180 hours of training. Given the options provided, 170 or 172 credit hours are often cited as standard for EMT certification programs.
If I had to choose the most typical answer from your options, I would go with 170 credit hours. However, it’s essential to consult specific EMT programs for their particular requirements to get the most accurate information.