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Microbiology A Systems Approach 5Th Edition By Marjorie Kelly Cowan - Test bank
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, CH-01: Test BankStudent:
______________________________________________________________________
_____
1. Microorganisms are best defined as organisms that
A. can only be found growing in laboratories.
B. are too small to be seen with the unaided eye.
C. are infectious particles.
D. lack a cell nucleus.
E. cause human disease.
2. Which of the following are not considered microorganisms?
A. Fungi
B. Protozoa
C. Viruses
D. Bacteria
E. Mosquitoes
3. Helminths are ______.
A. molds
B. parasitic worms
C. bacteria
D. protozoa
E. infectious particles
4. Among the types of microorganisms, the ______ are noncellular.
A. protozoans
B. bacteria
C. viruses
D. helminths
5. Studies of the immune response to an infection caused by microorganisms would be performed
by a(n) ______.
A. hypersensitivity specialist
B. immunologist
C. geomicrobiologist
D. epidemiologist
6. Which of the following pairs of career descriptions and work tasks is not correctly matched?
A. Medical microbiologist -- identify the cause of a bladder infection at a hospital lab
B. Industrial microbiologist -- manipulate bacterial strains to be less pathogenic
C. Agricultural microbiologist -- identify bacterial causes of crop disease
D. Public health microbiologist -- track the incidence of AIDS in a population
7. A scientist who studies the influence of microbes in the formation of caves is called a(n) ______.
A. astrobiologist
B. epidemiologist
C. geomicrobiologist
01-1
Copyright © 2018 McGraw-Hill Education. All rights reserved. No reproduction or distribution
without the prior written consent of McGraw-Hill Education.
, D. immunologist
8. Astrobiology is considered a sub-discipline of microbiology because
A. life elsewhere in the universe is likely to be microbial.
B. microbes are known to exist on other planets.
C. all extraterrestrials known are microbial.
D. only microbes can reproduce under the extreme conditions in outer space.
9. Which of the following does not indicate microbe involvement in energy and nutrient flow?
A. Decomposition of dead matter and wastes
B. Digestion of complex carbohydrates in animal diets
C. Formation of greenhouse gases, CO2 and methane
D. Thermal hot springs warmed by heat from earth's interior
10. The microorganisms that recycle nutrients by breaking down dead matter and wastes are called
______.
A. fermenters
B. eukaryotes
C. decomposers
D. pathogens
E. prokaryotes
11. The majority of oxygen in earth's atmosphere is a product of photosynthesis by ______.
A. rain forests
B. microorganisms
C. green plants
D. agricultural lands
12. The three cell types discussed, eukaryotes, archaea, and bacteria, all derived from ______.
A. cells with a true nucleus
B. the last universal common ancestor
C. photosynthetic bacteria
D. archaea
13. The first cells appeared about ___ billion years ago.
A. 5
B. 4.5
C. 3.5
D. 2
E. 1
14. A hypothesis must be tested many times before it can be considered a theory.
True False
15. Which area of biology states that living things undergo gradual structural and functional changes
over long periods of time?
A. Evolution
B. Morphology
C. Phylogeny
D. Genetics
E. Transformation
01-2
Copyright © 2018 McGraw-Hill Education. All rights reserved. No reproduction or distribution
without the prior written consent of McGraw-Hill Education.
, 16. When humans manipulate the genes of microorganisms, the process is called ______.
A. epidemiology
B. taxonomy
C. bioremediation
D. genetic engineering
E. immunology
17. Which activity is an example of biotechnology?
A. Bacteria in the soil secreting an antibiotic to kill competitors
B. Public health officials monitoring diseases in a community
C. Egyptians using moldy bread on wounds
D. A microbiologist using the microscope to view bacteria
E. Escherichia coli producing human insulin
18. Which of the following is a traditional human use of microorganisms?
A. Baking bread
B. Cleaning up oil spills
C. Treating water and sewage
D. Mass-producing antibiotics
19. Using microbes to detoxify a site contaminated with heavy metals is an example of ______.
A. biotechnology
B. bioremediation
C. decomposition
D. epidemiology
E. immunology
20. Disease-causing microorganisms are called ______.
A. pathogens
B. decomposers
C. fermenters
D. bacteria
E. eukaryotes
21. The number one worldwide infectious diseases are ______.
A. AIDS-related diseases
B. malaria and other protozoan diseases
C. respiratory diseases
D. measles and other rash diseases
E. diarrheal diseases
22. Many chronic medical conditions have been found to be associated with
microbial agents.
True False
23. The incidence of deaths from communicable disease is ______ in the United States
compared to the entire world.
A. less
B. greater
01-3
Copyright © 2018 McGraw-Hill Education. All rights reserved. No reproduction or distribution
without the prior written consent of McGraw-Hill Education.
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