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):
These set limits on driverâs hours: 1  Daily driving limit: 9 hours*. 2  Maximum driving limit: 4 Â½ hours. 3  Daily rest period: 11 hours.  Weekly driving limit: 56 1  hours. Fortnightly driving limit: 90 hours.  Weekly rest period: 45 consecutive hours**.