Question

1. There are particular diseases that occur in humans in isolated, occasional cases. These are sporadic cases and most often no one is ill from the disease. What does this suggest about the probable reservoir of the disease? 2. What is a reason why certain diseases will spread faster through a population of people, while others show up less often? 3. Herd Immunity can be established A. only when every member of a population is immune B. in livestock such as horses or cows, but not in humans C. if a high percentage of people in a population are immune and there is person-to-person transmission 4. Ticks can transmit Lyme disease (a bacterial disease; the pathogen is Borellia burgdorferi) when they bite humans. Thus we can say A. ticks are the cause of Lyme disease B. ticks are a fomite C. ticks are the vector for B. burgdorferi 5. The cleaning staff at a hospital is responsible for cleaning and disinfecting patient rooms. Of the following which type of transmission is most likely to be blocked by effective cleaning and disinfecting of objects in a patient’s room? A. airborne B. vector C. fomite

          1. There are particular diseases that occur in humans in isolated, occasional cases. These are sporadic cases and most often no one is ill from the disease. What does this suggest about the probable reservoir of the disease?

2. What is a reason why certain diseases will spread faster through a population of people, while others show up less often?

3. Herd Immunity can be established
A. only when every member of a population is immune
B. in livestock such as horses or cows, but not in humans
C. if a high percentage of people in a population are immune and there is person-to-person transmission

4. Ticks can transmit Lyme disease (a bacterial disease; the pathogen is Borellia burgdorferi) when they bite humans. Thus we can say
A. ticks are the cause of Lyme disease
B. ticks are a fomite
C. ticks are the vector for B. burgdorferi

5. The cleaning staff at a hospital is responsible for cleaning and disinfecting patient rooms. Of the following which type of transmission is most likely to be blocked by effective cleaning and disinfecting of objects in a patient’s room?
A. airborne
B. vector
C. fomite

1. There are particular diseases that occur in humans in isolated, occasional cases. These are sporadic cases and most often no one is ill from the disease. What does this suggest about the probable reservoir of the disease?

2. What is a reason why certain diseases will spread faster through a population of people, while others show up less often?

3. Herd Immunity can be established
A. only when every member of a population is immune
B. in livestock such as horses or cows, but not in humans
C. if a high percentage of people in a population are immune and there is person-to-person transmission

4. Ticks can transmit Lyme disease (a bacterial disease; the pathogen is Borellia burgdorferi) when they bite humans. Thus we can say
A. ticks are the cause of Lyme disease
B. ticks are a fomite
C. ticks are the vector for B. burgdorferi

5. The cleaning staff at a hospital is responsible for cleaning and disinfecting patient rooms. Of the following which type of transmission is most likely to be blocked by effective cleaning and disinfecting of objects in a patient’s room?
A. airborne
B. vector
C. fomite

Added by Richard P.

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