1. Which is true of a secondary infection A. It is often viral in nature B. It i

Question

1. 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


2. 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.


3. 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.


4.Standng over 1 meter (3feet) away from a person who has a respiratory infection should prevent air droplet transmission.
     A. True
     B. False

5. Which is a factor in the spread of an epidemic?
        A. incubation period
        B. age of population
        C. gender of population
        D. A and B
        E. A, B, and C

Explanation / Answer

Answer:

1. 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 - Correct Option (Secondary infection are usually bacterial infections and occurs after a primary infection when the host becomes more susceptible to disease).

2. What is true of opportunistic pathogens?
    A. Opportunistic pathogens rarely cause infections
    B. Normal flora can be opportunistic pathogens - Correct Option (many members of normal flora can produce disease in humans when their immune system is not working properly / impaired. Opportunistic infections are common in immunosuppressed patients. Opportunistic pathogens rarely cause disease in healthy individuals with intact immunological defenses.).
    C. Opportunistic pathogens are not common in the environment
D. Opportunistic pathogens often cause primary infections - Incorrect

3. 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 - Correct Option (Streptoccocus pneumoniae is an opportunistic pathogen which can cause post-influenza pneumonia as a secondary infection after Influenza)

4.Standing over 1 meter (3feet) away from a person who has a respiratory infection should prevent air droplet transmission.
     B. False - Correct Option (These respiratory droplets can travel up 2 meter or six feet to another person.)

5. Which is a factor in the spread of an epidemic?
        A. incubation period
        B. age of population
        C. gender of population
        D. A and B
        E. A, B, and C - Correct Option

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