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HOW WE TEACH

The use of multiple tools for teaching medical biochemistry

¹ Oxyradical Research Group, Departamento de Biologia Celular ² Faculdade de Medicina, Universidade de Brasília, Brasília, Brazil

Address for reprint requests and other correspondence: M. Hermes-Lima, Oxyradical Research Group, Departamento de Biologia Celular, Universidade de Brasília, Brasília DF 70910-900, Brazil (e-mail: m_hermes_lima{at}yahoo.com.br or hermes{at}unb.br)

In this work, we describe the use of several strategies employing the philosophies of active learning and problem-based learning (PBL) that may be used to improve the teaching of metabolic biochemistry to medical and nutritional undergraduate students. The main activities are as follows: 1) a seminar/poster system in a mini-congress format (using topics of applied biochemistry); 2) a true/false applied biochemistry exam (written by peer tutors); 3) a 9-h exam on metabolism (based in real publications); 4) the Advanced Biochemistry course (directed to peer tutors, where students learn how to read and criticize real medical papers); 5) experiments about nutrition and metabolism, using students as volunteers, and about free radicals (real science for students); 6) the BioBio blog (taking advantage of the "web age," this enhances out of class exchanges of information between the professor, students, and peer tutors); 7) student lectures on public health issues and metabolic disorders directed to the community and lay people; and 8) the BioBio quiz show. The main objective of these activities is to provide students with a more practical and interesting approach to biochemistry, such as the application of theoretical knowledge to real situations (diseases, experiments, media information, and scientific discoveries). In addition, we emphasize the importance of peer tutor activities for optimized learning of both students and peer tutors, the importance of a closer interaction between students and teaching staff, and the necessity to initiate students precociously in two broad fields of medical activity: "real" basic science and contact with the public (also helping students–future doctors and nutritionists–to be able to communicate with lay people). Most activities were evaluated by the students through written questionnaires and informal conversations, along various semesters, indicating good acceptance and approval of these methods. Good student scores in the biochemistry exams and seminars indicated that these activities are also working as valid educational tools.

Key words: problem-based learning; medical education; metabolism