Procalcitonin: What is Procalcitonin. PCT is the prohormone of calcitonin (CT). In healthy people, plasma PCT concentrations are found to be below 0.05 ng/ml, but can increase up to 1000 ng/ml in patients with severe sepsis or septic shock. Elevated PCT levels indicate bacterial infection accompanied by a systemic inflammatory reaction.
Rating Newest Oldest. Best Answer: The answer your driver's ed test is looking for would be: A) 6 to 8 hours. In the real world, many people drive much longer hours. Commercial drivers are limited to 11 hours of driving in a 14 hour work day. Source(s):
However, this is not a daily limit. Under this provision, a driver could hypothetically drive for 11 hours, take 10 hours off, and drive for another 3 hours before the end of the 24-hour day. Drivers of passenger-carrying CMVs are limited to 10 hours of driving after having 8 consecutive hours off duty.