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):
A driver must have 10 hours off-duty in a day. A driver cannot drive more than 13 hours in a day. A driver cannot drive after 14 hours on-duty in a day. * Some exceptions apply; refer to Ontario Regulation 555/06. 2. Mandatory off-duty time . After a period of at least eight hours off-duty, a driver cannot drive more than 13 hours. 1  After a period of at least eight hours off-duty, a driver cannot drive after having been on-duty for 14 hours. 2  After a period of at least eight hours off-duty, a driver cannot drive after 16 hours has elapsed.