Question

question 2 of 5
driver’s physical exams must be completed by a medical professional at least every
six months.
year.
two years.
five years.
submit

Explanation:

In the context of driver's physical exams, regulatory requirements typically state that a medical professional must conduct these exams at least every two years. This is a standard rule for ensuring drivers' fitness to operate vehicles, related to medical and health regulations (falling under the Natural Science subfield of Medicine and Health).

Answer:

C. two years.