Microbiology  Take Home Test

Lecture Unit 8

Version I

Name  _______________________________________     Score  ___________

Notre: Please Place Your Answers on This Form:  In All Answers Provide The

Genus and Species Names of the Organisms

1.   a-  Provide another name for the normal intestinal flora  (1)  organisms 

           _______________________________________

      b-  How may E. coli  and Enterobacter aerogenes  be  distinguished from one

           another when performing:       

           (l)   Indole  test  _________________________________________________________

          (2)  Citrate utilization_____________________________________________________

       c-  What does bacteremia due to the above organisms cause (l)

            ______________________________________________________________

2.   Name by Genus and species name those organisms which:

       a-  Cause enteric fever:  (l) _____________________________________________

       b-   Produce a charactersitic bluish-greenish pus formation:  (l)________________

       c-   Causes bacillary dysenteriae  (l):________________________________________

       d-   May cause eye infections after eye surgery:  (l)____________________________

       e-   Causes intestinal pseudo-membrane formation: (l)_______________________

       f-   Organisms grow best at a pH of  8.5-9.5:  (l)______________________________

       g-   Causes epiglotitis:  (1)_________________________________________________

3.   How may cholera be treated:  (2)

              _______________________________________________________________

       ___________________________________________________________________

4.    Are vaccines helpful to prevent:

       a-   Salmonella infections ____________  b-  Shigella infections:_______

5.    Which organism  (Provide Genus and species name:

        IS A GRAM (-) pleomorphic coccobacilli:  (l) ___________________________________

6.     a-  Which is the most important type of Hemophilus influenza (by

               letter)  causing disease(l)___________________________________________

         b-  Indicate the virulent factor which causes the symptoms of

               whooping cough:  (l)______________________________________

         c-  Indicate the most effective drug used to treat whooping cough (l)______________

         d-  Name the organism which causes whooping cough:  (l)________________________

______________________________________________________________________________________________

Microbiology Take Home Test

Lecture Unit VIII

Version 2

Name ____________________________________________                    Score  __________%

1.    Which Salmonella species cause:

        a-  enteric fevers  __________________________  and  ____________________

        b-  gastroenteritis  ________________________________

        c-  septecemias     ________________________________

2.     Vaccines to prevent Salmonella infections provides permanent (full )or partial protection

         to small doses of organisms:    _____________________

3.     Rectal spasms (tenesmus) along with abdominal pain, cramps or diarrhea and fever are

        associated with infections caused by: _________________________________ (genus and species)

4.     a-   How are Shigella infections transmitted : name 3   (l)___________________________________________

              (2)___________________________________________   (3)_______________________________________

        b-   Are vaccines successful to prevent Shigella infections ____________________________

5.      With this disease there occurs a sudden onset of profuse diarrhea accompanied by

         abdominal cramps.  Stools look like rice water and contain mucus.  Name the causative

         organism by Genus and species name _________________________________

6.     Indicate how Vibrio cholera infections are treated:

        ____________________________________________________________________________________________________

        ____________________________________________________________________________________________________

        ____________________________________________________________________________________________________

7.    a-   Which organism causes whooping cough (Genus and species name) ____________________________________

       b-   Name the organisms pathogenic factor which causes violent phases of coughing:

             ______________________________________  genus and species name

       c-   Which antibiotic is used to treat whooping cough: ____________________________________

8.     a-   How is bubonic form of plague transmitted:  ________________________________

        b-   Indicate the forms of control for the bubonic form of plague:  ____________________________:

              __________________________________________; ________________________________

9.     a-   Indicate the term used for the normal flora  E. coli and Enterobacter aerogenes of mans intestinal tract:

              _________________________________

        b-   When identifying E. coli from Enterobacter aerogenes  IMViC tests are performed:

               (l)   Which organism is (+) for the following test which is helpful in their identification

                      Indole and Methyl Red  _________________

               (2)   Which organism is (-) for the following test:

                      Citrate test   _________________________

10.    Which organism causes extensive hemorrhagic consolidation of the lungs (List Genus and species name)

         ____________________________

11.    a-   Name the normal flora intestinal organisms infective to the newborn: ___________________________

         b-   A characteristic blue green pus is formed by this organism: ________________________

12.     a-   Three % of survivors of typhoid fever become carriers and will harbor organisms in their: name 2

               __________________________________________  and _____________________________

          b-  Can carriers of typhoid fever organism be treated to reduce the carrier state (yes or no and how:

                ___________________________________________________________________________________________