All the instruction will be uploaded in a file later. The sources must be updated at lest from 2005-2014 . From credible sources books and journals. For Q2 i will abload the 3 result tomorrow . For each answers I need at least 1 reference with the Page No.
And in the answers you should use these sources as much you can
1- Residual moisture determines the level of touch-contact-associated bacterial transfer following hand washing.
Patrick DR1, Findon G, Miller TE.
2- kucers the use of antibiotics sixth edition