2015-08-21
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Ex.13. Insert the missing words:
1. Antibiotic is a chemical substance that _ the growth of other microorganisms. 2. The term is used to _ to substances with anti-bacterial, anti-fungal, or anti-parasitical activity. 3. Antibiotics can be divided into two groups: _ and bacteriostatic. 4. Bactericidal antibiotics destroy bacteria, and bacteriostatic antibiotics prevent _ from multiplying. 5. Antibiotics are used to _ serious bacterial infections. 6. Each antibiotic is _ only against certain bacteria. 7. Usually, antibiotics are given by mouth, while _ antibiotics are used in more serious cases. 8. Antibiotics may also sometimes be administered _ with ointments. 9. A lozenge _ effective salivary drug levels for more than one hour but repeated _was restricted due to systemic toxicity coming from the large quantity of _ drug. 10. The action of _ was even more _ than that of _, and gels/pastes were difficult to retain in the _.
Ex.14. Answer the following questions:
1. What is antibiotic? 2. What is an antimicrobial drug? 3. How long are antibiotics used? 4. What groups of antibiotics have you learned from the previous info? 5. What are bactericidal antibiotics? 6. What are bacteriostatic antibiotics? 6. What side effect can antibiotic have? 7. What routs of antibiotics' administration are there? 8. What are topical antibiotics? 9. What are topical antiseptics? 10. What helps to determine the optimal antibiotic therapy?
Ex.15. Insert the prepositions:
1. The value _ topical antibiotics overweighs such risks _ some cases. 2. Tetracycline is a useful topical antibiotics. 3. As at 2% solution it’s often effective _ reducing secondary infection (and thus the discomfort) _ cases of aphtous stomaitis, primary herpetic stomaitis, and all oral ulcerative conditions. 4. Use _ topical antibiotics is also seen to be helpful _ acute chronic gingivitis treatment. 5. There are inherent disadvantages associated _ the use _ topical antibiotics because _ the possibilities _ selection _ resistant strains and inducing hypersensitivity reaction _ the patient. 6. Topical antibiotics help prevent infections caused _ bacteria that get into minor cuts, scrapes, and burns. 7. Treating minor wounds _ antibiotics allows quicker healing. 8. They are always used _ prevent secondary infection.
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Ex. 16. Write out key words of the text “Antimicrobial drugs”.
Ex. 17. Make up a plan of the text “Antimicrobial drugs”.
Ex. 18. Speak on the using of antibiotics.
Ex. 19. Make up a dialogue on antibiotics.
Ex. 20. Give a summary of the following text:
