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.
-ploidy [for derivation see -ploid] Condition of having the number of sets of chromosomes indicated by the prefix (tetraploid, hexaploid, allopolyploid, autopolyploid). -pnea (British: -pnoea) /(pÉ)-NEE-É/ [Greek pneo to breathe] Breath, breathing .