Will mark branliest
steven is now a physician. which best describes the exam steven took and the board that regulates his credential?

a.) steven took the nremt, which is regulated by the ncsbn.

b.) steven took the ncsbn, which is regulated by the nremt.

c.) steven took the usmle, which is regulated by the nbme.

d.) steven took the nbme, which is regulated by the usmle.

it is not d by the way.