А. М. Maslova Z. I. Winestein L. S. Plebeyskaya Essential English for Medical Students Second Edition, Revised and Enlarged

CLASS ASSIGNMENTS

8. 
   Form new words using the given suffixes. Translate the words:
   

-ence, -ance: occur, persist, exist, depend, enter, clear, appear;
-ment: impair, develop, move, establish, appoint, require;
-able: favour, control, vary, depend, value, consider;
-sion: invade, divide, conclude, decide, diffuse;
-th: deep, grow, wide, strong, long, warm, dead;
-ish: thin, fat, long, woman, yellow, thick;
-ful: use, hope, pain, harm, rest, thank, help

9. 
   Answer the following questions:
   

1. What conditions are favourable for the growth and life of both aerobic and anaerobic microbes? 2. According to what are bacteria divided into groups?

3. 
   To what limit do growing organisms increase in size when they multiply? 4. Due to what are minute virulent microorganisms destroyed when they invade the human organism? 5. In what case may local or general infection occur? 6. What can be revealed under the microscope in the alveoli of the lung of the man with lobar pneumonia? 7. Why may the lung be considerably impaired while the disease persists? 8. What barriers do skin and mucous membranes form? 9. What is the role of leucocytes in the human body?
   

10.