Professional characteristics are the qualities which specifically represent the level of commitment or performance of an individual towards his job. Some of such qualities include honesty, ethics, integrity, confidence, and responsibility. These qualities define a person and reflect his competency in a particular position. In the above case, the professional characteristic of phlebotomist reflects her integrity towards her job.
The statement that "The more collateral there is backing a loan, the less the lender has to worry about adverse selection" is true because collateral reduces the adverse selection problem.
