Using Human Blood, Saliva, and Dental Caries in the Biology Teaching Laboratory
Christine Case
Tested Studies in Laboratory Teaching, 1991, Volume 12
Abstract
Laboratory exercises using saliva, urine, and blood were developed because they met specific, desirable learning objectives. Moreover, because they use the student’s own body, they had the advantage of high student interest. Since the method of transmission of Human Immunodeficiency Virus (HIV) was uncovered, questions have arisen about the safety of using blood and other body fluids in teaching. Disinfection and safety procedures that minimize the risk of transmitting diseases in the laboratory are discussed. Three experiments are presented which use these procedures: blood typing, analysis of salivary amylase activity, and determining susceptibility to dental caries.
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