Download Medical Microbiology Exam Class D June 19th, 2013

Choose the correct answers to each question, remember that more than one of the
choices (a-d) may have the characteristic, so you must mark all that would have it for
full credit. No partial credit is given.
1. Who was the first person to observe bacteria using a microscope?
a. Lister
b. van Leeuvenhoek
c. Pastuer
d. Koch
2. Which two of the following contribute to the opportunistic and infectious nature of
bacteria?
a. Flagella
b. ability to persist in unfavorable environments
c. selectively permeable membranes
d. fast growth
e. ability to sense chemical gradients
3. Capsules, sheaths, and slime layers generally aid with
a. nutrient transport
b. cell attachment
c. chemotaxis
d. heat resistance
4. Penicillin controls bacterial growth by:
a. preventing synthesis of the lipopolysaccharide layer
b. inhibiting protein synthesis
c. preventing cross-link formation in peptidoglycan
d. preventing generation of the proton motive force
5. The unit to measure the size of bacteria is ____.
A.cm
B. nm
C. mm
D.um
Filling the blanks below:
1. Peptidoglycan of G- bacteria consists of
2. Bacteria can be classified into
based on their mophology.
,
, and
,and
.
Give the definitions for those terms:
1. Capsule
2. Flagella
3. Generation Time
4. CPE
5. Temperate phage
6. Conjugation
7. Toxemia
8. Artificial active immunization
9. Bacteremia
10. Bacteria L form
11. Mycoplasma
12. Drug resistance
13. Plasmid
14. Transduction
15. Inclusion bodies
Answer those questions below:
1. Describe how gene transfer occurs by transduction.
2. Structure and chemical composition of viral components (genetic material, capsid,
envelope) .
3. The basic stages of a viral “life” cycle.
4. Lytic and lysogenic cycles of bacteriophages.
5. Describe the reasons why Influenza A virus may get pandemics.
6. Distinguish between sterilization, disinfection, antisepsis, sanitization.
7. Describe the differences between exotoxin and endotoxin.
8. Various physical methods to control microbial growth and their mode of action.
9. Various chemical methods to control microbial growth and their mode of action.
10. Different methods of sterilization, when each is appropriate.
11. Describe the characteristics of your “favorite” RNA-containing virus.
12. Describe the differences among hepatitis A, B ,C, D and E viruses as more as
possible.
13. Species and characteristic of microorganism
14. Describe the special structures of bacterium and their functions individually.
15. Describe drug resistant mechanism and mechanisms to reduce bacterial
resistance.
16. Describe those diagnosis of HBV.
17. Describe the infection routes of HIV and the strategy for preventing AIDs.
18. Describe Koch's postulates (modified).