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):
In general, the regulations provide that for property-carrying commercial vehicles, such as tractor-trailer trucks, drivers cannot drive more than 11 cumulative hours per day, and they can only be on duty for 14 hours per day. In between shifts, the driver must generally be off duty for at least 10 consecutive hours. Moreover, a driver cannot accumulate more than 60 hours of on-duty time during 7 consecutive days or 70 hours during 8 consecutive days. It is important to keep in mind that this restriction applies to on-duty time, not driving time.