Question

Microbology

1. E. coli is found as a resident microbiota of the skin.
     A. True
     B. False

2. Competitive exclusion by normal flora protects us against colonization by transient microbiota.
   A. True
       B. False

3. Which is a symptom of infection?
    A. pain
    B. fever
    C. vomiting
    D. they are all symptoms

4. Which is true of a secondary infection
     A. It is often viral in nature
     B. It is less serious than a primary infection, that's why is called secondary
     C. It is a subclinical infection
     D. It is often a bacterial infection


5. What is true of opportunistic pathogens?
    A. Opportunistic pathogens rarely cause infections
    B. Normal flora can be opportunistic pathogens
    C. Opportunistic pathogens are not common in the environment
D. Opportunistic pathogens often cause primary infections.


6. Which is an example of a secondary infection caused by an opportunistic pathogen?
   A. Tuberculosis caused by Mycobacterium tuberculosis.
    B. A skin wound infection caused by Staphylococcus epidermidis.
    C. Whooping cough caused by Bordetella pertussis
D. Onset of pneumoniae, caused by Streptoccocus pneumoniae, after a bout with the flu.

Answer 1