Truck Driving School Costs. The average length of PTDI-certified courses is four to six weeks, though courses may be as short as two weeks or as long as 12 weeks or more. The average cost of PTDI-certified courses is about $4,200, though the cost of truck driving school may be as low as $1,500 and as high as $10,000.
Orthopnea is the opposite of platypnea, shortness of breath that worsens when sitting or standing up.
The platypus, Ornithorhynchus anatinus is one of the most unusual of living creatures. It is a mammal which has fur and suckles its young, but it also lays eggs, has webbed feet, a bill that looks like that of a duck, and a tail resembling that of a beaver.he platypus and three species of echidna (also known as spiny anteaters) are the only living members of a group of animals called monotremes. Platypuses (or platypi) are small animals; the largest ever found was 5 lbs and just over 2 feet (610 mm) in length.