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[Description]
Lesson description and lesson goals
Teacher gives the goals of the lesson.
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[Single activity]
Antibiotics and chemotherapeutics – actions and classification
Teacher gives the definition of antibiotics.
Teacher gives the definition of chemotherapeutics.
Teacher shows the illustration of a bacterium, reads the information and describes the actions of antibiotics and chemotherapeutics.
Teacher shows film (from subpage b) about bacteriostatic and bactericidal antibiotics and their actions.
Next, teacher shows the table and describes how antibiotics are classified according to their actions.
Finally, teacher asks one of the students to complete both exercises.
After completing the exercises, the slideshow appears. Teacher runs the slideshow to show which organisms synthesise antibiotic substances.
Antibiotics are compounds, produced by microorganisms, which inhibit reproduction or kill other microorganisms (bacteria, mycoplasms, fungi and protozoans). The term was introduced in 1945 by Selman Waksman.
Chemotherapeutics are artificially produced chemical compounds that combat microorganisms. They have no counterparts in nature. Chemotherapeutics include the sulphonamides and chloramphenicol, which is sometimes regarded as an antibiotic.
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[Movie]
Bacterial resistance and side effects of antibiotics use
Teacher shows slideshow about bacterial resistance and the side effects of antibiotics use.
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