Aperson commits an offense if the person knowingly practices as, attempts to practice as, or represents himself to be an emergency medical technician-paramedic, advanced emergency medical technician, emergency medical technician, emergency care attendant, or licensed paramedic and the person does not hold an appropriate certificate issued by the department under this chapter. an offense under this subsection is

Class A misdemeanor criminal offense

Explanation:

Class A misdemeanor criminal offense, are criminal situations considered serious and that directly interfere in the lives of victims. In fact, the concept of "Class A offense criminal misdemeanor" changes from state to state, but generally refers to criminal situations against one's life or situations that are close to being a crime. An example of this type of offense can be seen in the question above, which states that there are people who work as a healthcare professional without having the proper certification for this task. These people are messing with their patients' lives and may pose a danger to their lives.

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proteins is the answer