Chapter 1 Quiz

1. We introduced emerging infectious diseases as a matter if “when” not “if”. What does this mean

1. The next global disease is likely to happen in the near future
2. The next global disease is not very likely to happen in the near future
3. In the near future, we will likely be able to prevent the next global disease.
4. Preventing the next global disease isn’t something that most scientists and health care professionals worry too much about

2. What is Pasteurization?

1. Using extremely low temperature to kill food contaminating microorganisms.
2. Using extremely low pH to kill food contaminating microorganisms
3. Using extremely high pH to kill food contaminating microorganisms
4. Using extremely high temperature to kill food contaminating microorganisms

3. Which of the following IS NOT a component of the Disease Triad?

1. Host
2. Pathogen
3. Environment
4. Fire

4.  Spallanzani and Needham conducted essentially the same experiment, but came away with very different results. Why was this?

1. Needham allowed his flask to cool, without putting a cork in it
2. Spallanzani allowed his flask to cool without putting a cork int it
3. Needham placed a cork in his flask prior to heating
4. Spallanzani placed a cork in his flask prior to heating.

5. As antibiotic resistance increases:

1. the likelihood of human infections increases.
2. the likelihood of human infections remains about the same
3. the likelihood of human infectious deaths remains about the same.
4. the likelihood of human infectious deaths decreases

6. What is antibiotic ressistance

1. When humans become resistant to antibiotics
2. When microorganisms become resistant to antibiotics.
3. When antibiotics are used between different microorganisms to compete for resourses
4. When microorganisms make toxins that destroy other microorganisms.

7. What is fermentation?

1. The conversion of sugars to acids.
2. The conversion of proteins to fats
3. The conversion of sugars to alcohols
4. More than one of the above is correct.

8.  Woese and Whittaker were systematists (scientists concerned with evolution of species and derived characteristics) who devised two significantly different systems of organizing all living organisms. While they were concerned with the same questions, they answered them in very different ways. How does Woese’s “Domain” system differ from Whittakers “Kingdom” based systems?

1. There are more Domains than there are Kingdoms
2. There are fewer Domains than  there are Kingdoms
3. They both looked exclusively at morphological characteristics.
4. Woese’s Domains were created using molecular data, whereas Whittaker’s Kingdoms were created using morphological data.
5. More than one of the above answers is correct

9. Pasteur’s “Swan Necked” flask was a unique tool and the final experiment required to disprove spontaneous generation because it:

1. Could be sealed.
2. Could be left open
3. Could be sealed or left open
4. It could allow air to enter the flask, but prevented dust from doing so

10.  Redi’s experimental flask consisted of which of the following arrangements

1. A sealed jar with rotten meat in it.
2. An open jar with rotten meat in it.
3. A cheese cloth-covered jar with rotten meat in it
4. A jar with rotten meat in it that was heated and then sealed