A majority of cells observed in a normal vaginal smear are, not surprisingly, vaginal epithelial cells. In addition, varying numbers of leukocytes, erythrocytes and bacteria are usually evident, and small numbers of other contaminating cells and microorganisms are sometimes observed.
The total list price for in-state Pennsylvania residents to go to Penn State is $19,354 for the 2015/2016 academic year. Out-of-state students who don't possess Pennsylvania residence can expect a one year cost of $33,186.
Take for example the University of Nebraska at Lincoln; resident tuition (as of August, 2010) costs $198 per credit hour while out-of-state learners pay $588. Ivy League Harvard College, on the other hand, charges about $1,166 per credit hour. In-state tuition for a public four-year college: $7,605: 30 credit hours = $253.50/credit hour. 2  Out-of-state tuition for a public four-year college: $19,595: 30 = $653.16/credit hour.